:root {
  --bg-primary: #070c18;
  --bg-secondary: #0c1424;
  --panel: #101a2e;
  --panel-2: #16243f;
  --panel-hover: #1c2e4f;
  --volt: #DF962E;
  --volt-glow: rgba(223, 150, 46, 0.4);
  --volt-subtle: rgba(223, 150, 46, 0.12);
  --volt-border: rgba(223, 150, 46, 0.28);
  --text: #f1f5f9;
  --muted: #94a3b8;
  --line: rgba(255, 255, 255, 0.08);
  --line-strong: rgba(223, 150, 46, 0.35);
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 18px;
  --font-heading: 'Space Grotesk', -apple-system, sans-serif;
  --font-body: 'Inter', -apple-system, sans-serif;
  --font-mono: 'IBM Plex Mono', monospace;
}

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

html {
  scroll-behavior: smooth;
}

body {
  background-color: var(--bg-primary);
  color: var(--text);
  font-family: var(--font-body);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

main {
  flex: 1;
}

h1, h2, h3, h4, .display {
  font-family: var(--font-heading);
  letter-spacing: -0.02em;
  color: var(--text);
}

.mono {
  font-family: var(--font-mono);
}

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

.wrap {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ---------- NAVBAR ---------- */
header {
  position: sticky;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(7, 12, 24, 0.85);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--line);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 80px;
}

.logo {
  display: flex;
  align-items: center;
  height: 100%;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav-links a {
  font-size: 14.5px;
  font-weight: 500;
  color: var(--muted);
  transition: color 0.2s ease;
  position: relative;
  padding: 6px 0;
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--volt);
}

.nav-links a.active::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--volt);
  border-radius: 2px;
  box-shadow: 0 0 8px var(--volt);
}

.nav-cta {
  display: flex;
  align-items: center;
}

.mobile-toggle {
  display: none;
  background: transparent;
  border: none;
  color: var(--text);
  cursor: pointer;
  padding: 8px;
}

.mobile-menu {
  display: none;
  flex-direction: column;
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--line-strong);
  padding: 20px 24px;
  gap: 16px;
}

.mobile-menu a {
  font-size: 15px;
  color: var(--muted);
  padding: 8px 0;
}

.mobile-menu a.active,
.mobile-menu a:hover {
  color: var(--volt);
}

.mobile-menu.open {
  display: flex;
}

/* ---------- BUTTONS ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 600;
  padding: 10px 20px;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  cursor: pointer;
  transition: all 0.25s ease;
  text-decoration: none;
}

.btn-volt {
  background: var(--volt);
  color: #070c18;
  font-weight: 700;
  box-shadow: 0 4px 16px rgba(223, 150, 46, 0.3);
}

.btn-volt:hover {
  background: #f0a335;
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(223, 150, 46, 0.45);
}

.btn-ghost {
  background: rgba(255, 255, 255, 0.05);
  border-color: rgba(255, 255, 255, 0.15);
  color: var(--text);
}

.btn-ghost:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: var(--volt);
  color: var(--volt);
}

/* ---------- HERO SECTION ---------- */
.hero {
  padding: 64px 0 48px;
  position: relative;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 48px;
  align-items: center;
}

.eyebrow-line {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.hero-title {
  font-size: clamp(28px, 4vw, 48px);
  font-weight: 800;
  line-height: 1.15;
  margin: 16px 0;
}

.lead {
  font-size: 17px;
  color: var(--muted);
  line-height: 1.65;
  margin-bottom: 28px;
  max-width: 540px;
}

.hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

/* ---------- STATS STRIP ---------- */
.stats {
  background: var(--bg-secondary);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  padding: 40px 0;
  margin: 32px 0 56px;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 32px;
}

.stat {
  padding: 16px;
  border-left: 2px solid var(--volt-border);
}

.stat .num {
  font-family: var(--font-heading);
  font-size: 32px;
  font-weight: 800;
  color: var(--volt);
}

.stat .title {
  font-size: 16px;
  font-weight: 700;
  color: var(--text);
  margin-top: 4px;
}

.stat .label {
  font-size: 13.5px;
  color: var(--muted);
  margin-top: 6px;
  line-height: 1.5;
}

/* ---------- PAGE CONTENT & SECTIONS ---------- */
.page-section {
  padding: 48px 0 64px;
}

.section-head {
  margin-bottom: 36px;
}

.section-head h2 {
  font-size: clamp(24px, 3.5vw, 38px);
  font-weight: 800;
  margin-top: 8px;
}

/* ---------- CTA / SURVEY BOX ---------- */
.cta-box {
  background: linear-gradient(135deg, rgba(16, 26, 46, 0.9), rgba(12, 20, 36, 0.95));
  border: 1px solid var(--volt-border);
  border-radius: var(--radius-lg);
  padding: 40px;
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 40px;
  align-items: center;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.4);
}

.waitlist {
  background: var(--panel-2);
  border: 1px solid var(--volt-border);
  border-radius: var(--radius-md);
  padding: 32px 24px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.waitlist label {
  font-size: 13px;
  color: var(--muted);
  margin-bottom: 6px;
  display: block;
}

.waitlist input,
.waitlist select,
.waitlist textarea {
  width: 100%;
  background: rgba(7, 12, 24, 0.8);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius-sm);
  padding: 12px 14px;
  color: var(--text);
  font-family: var(--font-body);
  font-size: 14px;
  outline: none;
  transition: border-color 0.2s;
}

.waitlist input:focus,
.waitlist select:focus,
.waitlist textarea:focus {
  border-color: var(--volt);
  box-shadow: 0 0 8px rgba(223, 150, 46, 0.25);
}

.form-success-box {
  background: var(--panel-2);
  border: 1px solid var(--volt-border);
  border-radius: var(--radius-md);
  padding: 36px 24px;
  text-align: center;
}

.footer-link {
  color: var(--muted);
  font-size: 14px;
  transition: color 0.2s ease;
}

.footer-link:hover {
  color: var(--volt);
}

/* ---------- RESPONSIVE ---------- */
@media (max-width: 900px) {
  .hero-grid,
  .cta-box {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  
  .nav-links,
  .nav-cta {
    display: none;
  }
  
  .mobile-toggle {
    display: block;
  }
}