:root {
  --bg: #0B1628;
  --bg-alt: #0D1E35;
  --bg-surface: #112240;
  --fg: #E8EEF4;
  --fg-muted: #8899AA;
  --accent: #00C8FF;
  --accent-dim: rgba(0, 200, 255, 0.12);
  --accent-glow: rgba(0, 200, 255, 0.25);
  --steel: #3A5068;
  --surface: #112240;
  --success: #00D68F;
  --border: rgba(58, 80, 104, 0.6);
}

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

body {
  background: var(--bg);
  color: var(--fg);
  font-family: 'Source Sans 3', sans-serif;
  font-weight: 400;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3 {
  font-family: 'Bebas Neue', sans-serif;
  letter-spacing: 0.04em;
  line-height: 1.05;
}

/* =====================
   NAVIGATION
   ===================== */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 40px;
  background: linear-gradient(to bottom, rgba(11,22,40,0.95) 0%, transparent 100%);
}
.nav-logo {
  font-family: 'Bebas Neue', sans-serif;
  font-size: 1.5rem;
  color: var(--fg);
  letter-spacing: 0.08em;
}
.nav-os {
  color: var(--accent);
  font-size: 0.9em;
  margin-left: 2px;
}
.nav-cta {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--bg);
  background: var(--accent);
  padding: 10px 22px;
  border-radius: 3px;
  text-decoration: none;
  transition: background 0.2s, box-shadow 0.2s;
}
.nav-cta:hover {
  background: #33d6ff;
  box-shadow: 0 0 20px var(--accent-glow);
}

/* =====================
   HERO
   ===================== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 120px 40px 100px;
  overflow: hidden;
}
.hero-grid-bg {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(0,200,255,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,200,255,0.04) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse 80% 70% at 50% 50%, black 0%, transparent 100%);
  -webkit-mask-image: radial-gradient(ellipse 80% 70% at 50% 50%, black 0%, transparent 100%);
}
.hero-glow {
  position: absolute;
  top: 30%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 800px;
  height: 500px;
  background: radial-gradient(ellipse, rgba(0,200,255,0.07) 0%, transparent 70%);
  pointer-events: none;
}
.hero-content {
  position: relative;
  z-index: 2;
  max-width: 760px;
}
.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--accent);
  background: var(--accent-dim);
  border: 1px solid rgba(0,200,255,0.2);
  padding: 6px 14px;
  border-radius: 20px;
  margin-bottom: 24px;
}
.hero-eyebrow-dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 8px var(--accent);
  animation: pulse 2s ease-in-out infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}
.hero-headline {
  font-size: clamp(3.5rem, 7vw, 7rem);
  color: var(--fg);
  margin-bottom: 8px;
}
.hero-headline-accent {
  color: var(--accent);
}
.hero-sub {
  font-size: 1.15rem;
  color: var(--fg-muted);
  max-width: 520px;
  margin-bottom: 40px;
  line-height: 1.7;
  font-weight: 300;
}
.hero-actions {
  display: flex;
  gap: 16px;
  align-items: center;
  flex-wrap: wrap;
}
.btn-primary {
  display: inline-block;
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--bg);
  background: var(--accent);
  padding: 14px 32px;
  border-radius: 3px;
  text-decoration: none;
  transition: background 0.2s, box-shadow 0.2s;
  cursor: pointer;
  border: none;
}
.btn-primary:hover {
  background: #33d6ff;
  box-shadow: 0 0 30px var(--accent-glow);
}
.hero-note {
  font-size: 0.8rem;
  color: var(--steel);
  display: flex;
  align-items: center;
  gap: 6px;
}
.hero-note::before {
  content: '';
  display: inline-block;
  width: 4px; height: 4px;
  border-radius: 50%;
  background: var(--steel);
}
.hero-stats {
  display: flex;
  gap: 48px;
  margin-top: 72px;
  padding-top: 48px;
  border-top: 1px solid var(--border);
}
.hero-stat-value {
  font-family: 'Bebas Neue', sans-serif;
  font-size: 2.2rem;
  color: var(--fg);
  display: block;
  line-height: 1;
  margin-bottom: 4px;
}
.hero-stat-label {
  font-size: 0.7rem;
  color: var(--fg-muted);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

/* =====================
   WHO IT'S FOR
   ===================== */
.who {
  padding: 100px 40px;
  background: var(--bg-alt);
}
.section-label {
  font-size: 0.65rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 12px;
}
.section-title {
  font-size: clamp(2.4rem, 5vw, 4.5rem);
  color: var(--fg);
  margin-bottom: 16px;
}
.section-sub {
  font-size: 1rem;
  color: var(--fg-muted);
  max-width: 560px;
  line-height: 1.7;
  margin-bottom: 64px;
  font-weight: 300;
}
.persona-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2px;
  max-width: 1200px;
  margin: 0 auto;
}
.persona-card {
  background: var(--surface);
  padding: 40px 32px;
  position: relative;
  overflow: hidden;
}
.persona-card::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 2px;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.4s ease;
}
.persona-card:hover::after { transform: scaleX(1); }
.persona-icon {
  width: 44px; height: 44px;
  background: var(--accent-dim);
  border: 1px solid rgba(0,200,255,0.2);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 24px;
}
.persona-icon svg { width: 22px; height: 22px; }
.persona-role {
  font-family: 'Bebas Neue', sans-serif;
  font-size: 1.2rem;
  color: var(--fg);
  margin-bottom: 10px;
  letter-spacing: 0.04em;
}
.persona-desc {
  font-size: 0.85rem;
  color: var(--fg-muted);
  line-height: 1.7;
}
.verticals {
  margin-top: 64px;
  padding-top: 48px;
  border-top: 1px solid var(--border);
  display: flex;
  gap: 32px;
  flex-wrap: wrap;
}
.vertical-tag {
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
  background: var(--accent-dim);
  border: 1px solid rgba(0,200,255,0.15);
  padding: 6px 14px;
  border-radius: 2px;
}

/* =====================
   HOW IT WORKS
   ===================== */
.how {
  padding: 100px 40px;
  background: var(--bg);
}
.how .section-sub { margin-bottom: 72px; }
.steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
  max-width: 1100px;
  margin: 0 auto;
  position: relative;
}
.steps::before {
  content: '';
  position: absolute;
  top: 36px;
  left: 15%;
  right: 15%;
  height: 1px;
  background: linear-gradient(to right, transparent, var(--steel) 20%, var(--steel) 80%, transparent);
}
.step {
  text-align: center;
  padding: 0 16px;
}
.step-number {
  font-family: 'Bebas Neue', sans-serif;
  font-size: 0.85rem;
  color: var(--accent);
  letter-spacing: 0.2em;
  margin-bottom: 24px;
  display: block;
}
.step-icon {
  width: 72px; height: 72px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 28px;
  position: relative;
}
.step-icon svg { width: 32px; height: 32px; }
.step-title {
  font-family: 'Bebas Neue', sans-serif;
  font-size: 1.35rem;
  color: var(--fg);
  margin-bottom: 12px;
  letter-spacing: 0.04em;
}
.step-desc {
  font-size: 0.88rem;
  color: var(--fg-muted);
  line-height: 1.7;
}

/* =====================
   DIFFERENTIATORS
   ===================== */
.diff {
  padding: 100px 40px;
  background: var(--bg-alt);
}
.diff-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2px;
  max-width: 1100px;
  margin: 0 auto;
}
.diff-card {
  background: var(--surface);
  padding: 48px 36px;
}
.diff-icon {
  width: 40px; height: 40px;
  margin-bottom: 24px;
}
.diff-title {
  font-family: 'Bebas Neue', sans-serif;
  font-size: 1.3rem;
  color: var(--fg);
  margin-bottom: 12px;
  letter-spacing: 0.04em;
}
.diff-desc {
  font-size: 0.88rem;
  color: var(--fg-muted);
  line-height: 1.7;
}

/* =====================
   PILOT OFFER
   ===================== */
.pilot-offer {
  padding: 100px 40px;
  background: var(--bg);
}
.pilot-inner {
  max-width: 800px;
  margin: 0 auto;
  text-align: center;
  border: 1px solid var(--border);
  padding: 72px 64px;
  background: var(--surface);
  position: relative;
  overflow: hidden;
}
.pilot-inner::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(to right, transparent, var(--accent), transparent);
}
.pilot-badge {
  display: inline-block;
  font-size: 0.65rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--accent);
  background: var(--accent-dim);
  border: 1px solid rgba(0,200,255,0.2);
  padding: 6px 16px;
  border-radius: 20px;
  margin-bottom: 28px;
}
.pilot-title {
  font-size: clamp(2.4rem, 5vw, 4rem);
  color: var(--fg);
  margin-bottom: 16px;
}
.pilot-desc {
  font-size: 1rem;
  color: var(--fg-muted);
  line-height: 1.7;
  margin-bottom: 40px;
  max-width: 580px;
  margin-left: auto;
  margin-right: auto;
}
.pilot-points {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  text-align: left;
  max-width: 640px;
  margin: 0 auto 40px;
}
.pilot-point {
  display: flex;
  align-items: flex-start;
  gap: 12px;
}
.pilot-check {
  flex-shrink: 0;
  width: 20px; height: 20px;
  background: var(--accent-dim);
  border: 1px solid rgba(0,200,255,0.25);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-top: 2px;
}
.pilot-check svg { width: 10px; height: 10px; }
.pilot-point-text {
  font-size: 0.88rem;
  color: var(--fg-muted);
  line-height: 1.5;
}
.pilot-point-text strong { color: var(--fg); }

/* =====================
   PILOT FORM
   ===================== */
.form-section {
  padding: 100px 40px 120px;
  background: var(--bg-alt);
}
.form-wrap {
  max-width: 640px;
  margin: 0 auto;
  border: 1px solid var(--border);
  background: var(--surface);
  padding: 56px 48px;
  position: relative;
}
.form-wrap::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(to right, transparent, var(--accent), transparent);
}
.form-title {
  font-size: clamp(2rem, 4vw, 3.2rem);
  color: var(--fg);
  margin-bottom: 8px;
  text-align: center;
}
.form-sub {
  font-size: 0.9rem;
  color: var(--fg-muted);
  text-align: center;
  margin-bottom: 40px;
  line-height: 1.6;
}
.form-group {
  margin-bottom: 20px;
}
.form-label {
  display: block;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--fg-muted);
  margin-bottom: 8px;
}
.form-label .optional {
  font-weight: 400;
  text-transform: none;
  letter-spacing: 0;
  font-size: 0.72rem;
  color: var(--steel);
}
.form-input,
.form-select,
.form-textarea {
  width: 100%;
  background: var(--bg-alt);
  border: 1px solid var(--border);
  color: var(--fg);
  padding: 12px 16px;
  font-family: 'Source Sans 3', sans-serif;
  font-size: 0.95rem;
  border-radius: 3px;
  transition: border-color 0.2s, box-shadow 0.2s;
  outline: none;
  -webkit-appearance: none;
}
.form-input::placeholder,
.form-textarea::placeholder { color: var(--steel); }
.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-dim);
}
.form-select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%238899AA' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
  padding-right: 36px;
  cursor: pointer;
}
.form-textarea { resize: vertical; min-height: 100px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-submit {
  width: 100%;
  margin-top: 12px;
}
.form-footnote {
  font-size: 0.75rem;
  color: var(--steel);
  text-align: center;
  margin-top: 16px;
  line-height: 1.5;
}
.form-success {
  display: none;
  text-align: center;
  padding: 40px 20px;
}
.form-success.show { display: block; }
.form-success-icon {
  width: 60px; height: 60px;
  background: rgba(0, 214, 143, 0.12);
  border: 1px solid rgba(0,214,143,0.3);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 24px;
}
.form-success-title {
  font-family: 'Bebas Neue', sans-serif;
  font-size: 1.8rem;
  color: var(--fg);
  margin-bottom: 12px;
}
.form-success-body {
  font-size: 0.9rem;
  color: var(--fg-muted);
  line-height: 1.6;
}
.form-fields { display: block; }
.form-fields.hidden { display: none; }

/* =====================
   FOOTER
   ===================== */
.footer {
  border-top: 1px solid var(--steel);
  padding: 48px 40px;
  background: var(--bg-alt);
}
.footer-inner { max-width: 1100px; margin: 0 auto; }
.footer-brand {
  font-family: 'Bebas Neue', sans-serif;
  font-size: 1.2rem;
  color: var(--fg);
  letter-spacing: 0.1em;
}
.footer-os { color: var(--accent); }
.footer-sub {
  font-size: 0.7rem;
  color: var(--accent);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  margin-top: 4px;
}
.footer-copy {
  font-size: 0.75rem;
  color: var(--steel);
  margin-top: 16px;
}

/* =====================
   RESPONSIVE
   ===================== */
@media (max-width: 1024px) {
  .persona-grid { grid-template-columns: repeat(2, 1fr); }
  .diff-grid { grid-template-columns: repeat(2, 1fr); }
  .pilot-points { grid-template-columns: 1fr; }
}
@media (max-width: 768px) {
  .nav { padding: 16px 24px; }
  .hero { padding: 100px 24px 72px; }
  .hero-stats { gap: 28px; flex-wrap: wrap; }
  .persona-grid { grid-template-columns: 1fr; }
  .steps { grid-template-columns: 1fr; gap: 48px; }
  .steps::before { display: none; }
  .diff-grid { grid-template-columns: 1fr; }
  .form-wrap { padding: 40px 24px; }
  .form-row { grid-template-columns: 1fr; }
  .who, .how, .diff, .pilot-offer, .form-section { padding: 64px 24px; }
  .pilot-inner { padding: 48px 28px; }
}