:root {
  --bg: #0a0c10;
  --bg-soft: #10141c;
  --card: #141820;
  --text: #e8ecf5;
  --muted: #8a9ab5;
  --accent: #e85d04;
  --accent-2: #dc2f02;
  --border: rgba(255, 255, 255, 0.06);
  --shadow: 0 8px 32px rgba(0, 0, 0, 0.25);
  --radius: 12px;
  --radius-lg: 16px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

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

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

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

.container {
  width: min(1100px, 90vw);
  margin: 0 auto;
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(10, 12, 16, 0.9);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 0;
  gap: 12px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 600;
}

.brand-mark {
  width: 34px;
  height: 34px;
  border-radius: 8px;
  background: #fff;
  display: grid;
  place-items: center;
  font-weight: 700;
  font-size: 0.85rem;
  color: #fff;
}

.brand-text {
  font-size: 0.95rem;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 16px;
}

.nav-toggle {
  display: none;
  background: var(--card);
  color: var(--text);
  border: 1px solid var(--border);
  padding: 8px 12px;
  border-radius: 8px;
  cursor: pointer;
  font-size: 0.85rem;
}

.nav-list {
  display: flex;
  gap: 24px;
  list-style: none;
  padding: 0;
  margin: 0;
}

.nav-list a {
  padding: 6px 0;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--muted);
  transition: color 0.2s;
}

.nav-list a:hover {
  color: var(--text);
}

/* CTA Buttons */
.cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 18px;
  border-radius: 8px;
  background: var(--accent);
  color: #fff;
  font-weight: 600;
  font-size: 0.9rem;
  border: none;
  cursor: pointer;
  transition: background 0.2s, transform 0.2s;
}

.cta:hover {
  background: var(--accent-2);
  color: #fff;
  transform: translateY(-1px);
}

.cta.ghost {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--border);
}

.cta.ghost:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: transparent;
}

/* Hero Section */
.hero {
  padding: 72px 0 56px;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
}

.hero-copy h1 {
  font-size: clamp(1.75rem, 3.5vw, 2.5rem);
  margin: 10px 0 16px;
  line-height: 1.2;
  font-weight: 700;
}

.hero-copy .lede {
  color: var(--muted);
  margin-bottom: 24px;
  font-size: 1.05rem;
}

.eyebrow {
  text-transform: uppercase;
  letter-spacing: 1.5px;
  font-size: 0.7rem;
  color: var(--accent);
  font-weight: 600;
}

.actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.trust {
  margin-top: 20px;
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--muted);
  font-size: 0.85rem;
}

.trust .dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #22c55e;
  box-shadow: 0 0 8px #22c55e;
}

/* Hero Visual - Engineering Diagram */
.hero-visual {
  position: relative;
  padding: 24px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  min-height: 320px;
}

.hero-visual .glow {
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 50% 50%, rgba(232, 93, 4, 0.08), transparent 60%);
  pointer-events: none;
}

.hero-diagram {
  position: relative;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
  height: 100%;
}

.diagram-node {
  background: var(--bg-soft);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 16px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  transition: border-color 0.2s;
}

.diagram-node:hover {
  border-color: var(--accent);
}

.node-icon {
  font-size: 1.5rem;
}

.node-label {
  font-size: 0.8rem;
  color: var(--muted);
  text-align: center;
}

.diagram-center {
  grid-column: 1 / -1;
  background: linear-gradient(135deg, rgba(232, 93, 4, 0.15), rgba(220, 47, 2, 0.1));
  border: 1px solid var(--accent);
  border-radius: 10px;
  padding: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.center-label {
  font-weight: 600;
  color: var(--accent);
  font-size: 0.9rem;
}

/* Reveal Animation */
.reveal {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Section Styling */
.section-head {
  margin-bottom: 32px;
}

.section-head h2 {
  margin: 8px 0 0;
  font-size: clamp(1.4rem, 2.5vw, 1.75rem);
  font-weight: 700;
}

.section-lede {
  color: var(--muted);
  margin-top: 8px;
  max-width: 640px;
}

/* Product Section */
.product {
  padding: 56px 0;
  background: var(--bg-soft);
}

.product-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: center;
}

.product-media {
  position: relative;
  padding: 32px;
  background: var(--card);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 280px;
  height: 400px;
}

.product-media .mesh {
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 30% 30%, rgba(232, 93, 4, 0.1), transparent 50%);
}

.product-diagram {
  position: relative;
  z-index: 1;
}

.product-feature-visual {
  position: relative;
  width: 120px;
  height: 120px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.feature-icon-large {
  font-size: 3rem;
  z-index: 1;
}

.feature-ring {
  position: absolute;
  inset: 0;
  border: 2px solid var(--accent);
  border-radius: 50%;
  opacity: 0.3;
  animation: pulse-ring 2s ease-in-out infinite;
}

@keyframes pulse-ring {
  0%, 100% { transform: scale(1); opacity: 0.3; }
  50% { transform: scale(1.1); opacity: 0.5; }
}

.product-copy h2 {
  margin: 8px 0 12px;
  font-size: 1.5rem;
}

.feature-list {
  list-style: none;
  padding: 0;
  margin: 20px 0;
  display: grid;
  gap: 12px;
}

.feature-item {
  display: flex;
  gap: 12px;
  align-items: flex-start;
}

.feature-item .icon {
  width: 22px;
  height: 22px;
  border-radius: 6px;
  background: rgba(232, 93, 4, 0.15);
  display: grid;
  place-items: center;
  color: var(--accent);
  font-size: 0.75rem;
  flex-shrink: 0;
}

/* Why Section */
.why-section {
  padding: 56px 0;
}

.why-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 16px;
}

.why-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
}

.why-card h3 {
  margin: 0 0 8px;
  font-size: 1rem;
  font-weight: 600;
}

.why-card p {
  margin: 0;
  color: var(--muted);
  font-size: 0.9rem;
}

/* Capabilities Section */
.capabilities {
  padding: 56px 0;
  background: var(--bg-soft);
}

.capabilities-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 12px;
}

.capability-item {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px;
  display: flex;
  align-items: center;
  gap: 12px;
}

.capability-icon {
  width: 36px;
  height: 36px;
  border-radius: 8px;
  background: rgba(232, 93, 4, 0.1);
  display: grid;
  place-items: center;
  font-size: 1.1rem;
  flex-shrink: 0;
}

.capability-item span:last-child {
  font-size: 0.9rem;
  font-weight: 500;
}

/* Use Cases Section */
.use-cases {
  padding: 56px 0;
}

.use-cases-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 12px;
}

.use-case-item {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px;
  display: flex;
  align-items: center;
  gap: 14px;
}

.use-case-icon {
  font-size: 1.5rem;
}

.use-case-item span:last-child {
  font-size: 0.95rem;
  font-weight: 500;
}

.use-case-item.pipeline {
  opacity: 0.7;
}

.use-case-item.pipeline span:last-child::after {
  content: " (coming soon)";
  font-size: 0.75rem;
  color: var(--muted);
  font-weight: 400;
}

/* Vision Banner */
.vision-banner {
  padding: 48px 0;
}

.banner {
  background: linear-gradient(135deg, rgba(232, 93, 4, 0.12), rgba(220, 47, 2, 0.08));
  border: 1px solid rgba(232, 93, 4, 0.2);
  border-radius: var(--radius-lg);
  padding: 32px;
}

.banner h2 {
  margin: 8px 0 12px;
  font-size: 1.4rem;
}

/* About Section */
.about {
  padding: 56px 0;
  background: var(--bg-soft);
}

.about-grid {
  display: grid;
  gap: 40px;
  align-items: start;
}

.about-content h2 {
  margin: 8px 0 20px;
  font-size: 1.5rem;
}

.about-content p {
  color: var(--muted);
  margin: 0 0 14px;
  font-size: 0.95rem;
}

.founder-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  text-align: center;
}

.founder-avatar {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: var(--bg-soft);
  border: 1px solid var(--border);
  display: grid;
  place-items: center;
  margin: 0 auto 16px;
  font-size: 1.5rem;
}

.founder-info h3 {
  margin: 0 0 12px;
  font-size: 1.1rem;
}

.founder-role {
  margin: 0 0 4px;
  color: var(--muted);
  font-size: 0.85rem;
}

/* Contact Section */
.contact {
  padding: 56px 0;
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
}

.contact h2 {
  margin: 8px 0 12px;
  font-size: 1.5rem;
}

.contact-types {
  margin: 24px 0;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.contact-type {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.95rem;
}

.contact-icon {
  font-size: 1.2rem;
}

.contact-meta {
  margin-top: 20px;
}

.contact-meta p {
  margin: 6px 0;
  color: var(--muted);
  font-size: 0.9rem;
}

.contact-form {
  display: grid;
  gap: 12px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
}

.contact-form input,
.contact-form textarea,
.contact-form select {
  width: 100%;
  padding: 10px 12px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--bg);
  color: var(--text);
  font-size: 0.9rem;
  font-family: inherit;
}

.contact-form input:focus,
.contact-form textarea:focus,
.contact-form select:focus {
  outline: none;
  border-color: var(--accent);
}

.contact-form label {
  font-weight: 500;
  font-size: 0.85rem;
  color: var(--muted);
}

/* Footer */
.site-footer {
  border-top: 1px solid var(--border);
  padding: 24px 0;
  background: var(--bg);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1fr auto auto;
  gap: 24px;
  align-items: center;
}

.footer-links {
  display: flex;
  gap: 20px;
}

.footer-links a {
  font-size: 0.9rem;
  color: var(--muted);
}

.footer-copy {
  color: var(--muted);
  font-size: 0.85rem;
  margin: 8px 0 0;
}

.footer-legal {
  color: var(--muted);
  font-size: 0.8rem;
}

.footer-legal p {
  margin: 0;
}

/* Responsive */
@media (max-width: 900px) {
  .hero-grid,
  .product-grid,
  .about-grid,
  .contact-grid {
    grid-template-columns: 1fr;
  }
  
  .hero-visual {
    order: -1;
  }
}

@media (max-width: 768px) {
  .nav-toggle {
    display: inline-flex;
  }
  
  .nav-list {
    position: absolute;
    top: 60px;
    right: 16px;
    background: var(--card);
    padding: 16px;
    flex-direction: column;
    gap: 12px;
    border: 1px solid var(--border);
    border-radius: 12px;
    box-shadow: var(--shadow);
    display: none;
  }
  
  .nav-list.open {
    display: flex;
  }
  
  .footer-grid {
    grid-template-columns: 1fr;
    text-align: center;
  }
  
  .footer-links {
    justify-content: center;
  }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
  .reveal {
    opacity: 1 !important;
    transform: none !important;
  }
}