:root {
  --bg: #121218;
  --bg-2: #1a1a22;
  --bg-3: #22222e;
  --accent: #F5A623;
  --accent-dim: rgba(245, 166, 35, 0.15);
  --text: #F0EEE8;
  --text-2: #9A97A0;
  --text-3: #5A5866;
  --border: #2a2a36;
  --font-head: 'Sora', sans-serif;
  --font-body: 'DM Sans', sans-serif;
}

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

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* NAV */
.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(18, 18, 24, 0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}
.nav-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 16px 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--text);
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 18px;
  letter-spacing: -0.3px;
}
.nav-tag {
  font-size: 12px;
  color: var(--text-3);
  background: var(--bg-3);
  padding: 4px 10px;
  border-radius: 20px;
  border: 1px solid var(--border);
}

/* HERO */
.hero {
  padding: 80px 32px 100px;
  background: var(--bg);
  background-image:
    radial-gradient(ellipse 80% 50% at 50% -10%, rgba(245,166,35,0.06) 0%, transparent 60%),
    repeating-linear-gradient(0deg, transparent, transparent 49px, rgba(255,255,255,0.012) 49px, rgba(255,255,255,0.012) 50px),
    repeating-linear-gradient(90deg, transparent, transparent 49px, rgba(255,255,255,0.012) 49px, rgba(255,255,255,0.012) 50px);
}
.hero-content {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}
.hero-text h1 {
  font-family: var(--font-head);
  font-size: clamp(42px, 5vw, 64px);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -1.5px;
  margin-bottom: 20px;
}
.accent { color: var(--accent); }
.hero-sub {
  font-size: 18px;
  color: var(--text-2);
  line-height: 1.65;
  margin-bottom: 28px;
  max-width: 460px;
}
.hero-tags {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}
.tag {
  font-size: 12px;
  padding: 5px 12px;
  border-radius: 20px;
  background: var(--accent-dim);
  color: var(--accent);
  font-weight: 500;
  letter-spacing: 0.3px;
}

/* WIDGET */
.hero-widget {
  position: relative;
}
.widget-shell {
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 24px 80px rgba(0,0,0,0.5);
}
.widget-topbar {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 10px 14px;
  background: var(--bg-3);
  border-bottom: 1px solid var(--border);
}
.widget-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}
.dot.red { background: #FF5F57; }
.dot.yellow { background: #FFBD2E; }
.dot.green { background: #28C840; }
.widget-title {
  font-size: 11px;
  color: var(--text-3);
  margin-left: 6px;
  font-family: var(--font-head);
}
.widget-body {
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.widget-3d-scene {
  background: linear-gradient(145deg, #1e1e2a 0%, #12121a 100%);
  border-radius: 8px;
  padding: 20px;
  height: 180px;
  position: relative;
  overflow: hidden;
}
.engine-block {
  position: relative;
  height: 100%;
}
.engine-head {
  width: 100%;
  height: 60px;
  background: linear-gradient(135deg, #3a3a4a 0%, #2a2a38 100%);
  border-radius: 6px;
  display: flex;
  align-items: center;
  padding: 0 12px;
}
.block-label {
  font-size: 10px;
  color: var(--text-3);
  font-family: var(--font-head);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}
.spark-plug-1, .spark-plug-2, .spark-plug-3, .spark-plug-4 {
  position: absolute;
  width: 14px;
  height: 36px;
  background: linear-gradient(180deg, #8B8B9A 0%, #5A5A6A 100%);
  border-radius: 3px 3px 6px 6px;
  top: 62px;
}
.spark-plug-1 { left: 15%; }
.spark-plug-2 { left: 38%; }
.spark-plug-3 { left: 60%; }
.spark-plug-4 { left: 82%; }
.hotspot-pulse {
  position: absolute;
  top: -6px;
  left: 50%;
  transform: translateX(-50%);
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 0 rgba(245,166,35,0.4);
  animation: pulse 2s infinite;
}
.hotspot-label {
  position: absolute;
  top: -28px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--accent);
  color: var(--bg);
  font-size: 10px;
  font-family: var(--font-head);
  font-weight: 600;
  padding: 3px 8px;
  border-radius: 4px;
  white-space: nowrap;
}
@keyframes pulse {
  0% { box-shadow: 0 0 0 0 rgba(245,166,35,0.5); }
  70% { box-shadow: 0 0 0 8px rgba(245,166,35,0); }
  100% { box-shadow: 0 0 0 0 rgba(245,166,35,0); }
}
.widget-steps {
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.step {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 10px;
  border-radius: 6px;
  font-size: 13px;
  color: var(--text-3);
  border: 1px solid transparent;
}
.step.active { color: var(--text-2); }
.step.current {
  background: var(--accent-dim);
  border-color: rgba(245,166,35,0.3);
  color: var(--accent);
}
.step-num {
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--bg-3);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 11px;
  font-family: var(--font-head);
  font-weight: 700;
  flex-shrink: 0;
}
.step.current .step-num {
  background: var(--accent);
  color: var(--bg);
}
.widget-source {
  margin-top: 8px;
  font-size: 11px;
  color: var(--text-3);
  display: flex;
  align-items: center;
  gap: 5px;
}

/* PROBLEM */
.problem {
  padding: 80px 32px;
  background: var(--bg-2);
  border-top: 1px solid var(--border);
}
.problem-inner {
  max-width: 1200px;
  margin: 0 auto;
}
.problem-header {
  margin-bottom: 48px;
}
.overline {
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: var(--accent);
  font-family: var(--font-head);
  font-weight: 600;
  margin-bottom: 12px;
}
.problem-header h2 {
  font-family: var(--font-head);
  font-size: clamp(28px, 3.5vw, 42px);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.8px;
}
.problem-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}
.problem-card {
  padding: 28px;
  border-radius: 12px;
  border: 1px solid var(--border);
}
.problem-card.old {
  background: var(--bg);
}
.problem-card.new {
  background: var(--bg-3);
}
.card-label {
  font-size: 11px;
  font-family: var(--font-head);
  font-weight: 700;
  letter-spacing: 1.5px;
  margin-bottom: 20px;
}
.old-label { color: var(--text-3); }
.new-label { color: var(--accent); }
.problem-card ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.problem-card li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 15px;
  line-height: 1.5;
}
.problem-card.new li { color: var(--text); }
.problem-card.old li { color: var(--text-2); }
.problem-card li svg { flex-shrink: 0; margin-top: 2px; }

/* SOLUTION */
.solution {
  padding: 80px 32px;
  background: var(--bg);
  border-top: 1px solid var(--border);
}
.solution-inner { max-width: 1200px; margin: 0 auto; }
.solution-header { margin-bottom: 52px; }
.solution-header h2 {
  font-family: var(--font-head);
  font-size: clamp(28px, 3.5vw, 42px);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.8px;
}
.solution-pillars {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
.pillar {
  padding: 24px;
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: 10px;
}
.pillar-icon {
  width: 44px;
  height: 44px;
  background: var(--accent-dim);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
}
.pillar h3 {
  font-family: var(--font-head);
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 10px;
}
.pillar p {
  font-size: 14px;
  color: var(--text-2);
  line-height: 1.6;
}

/* HOW IT WORKS */
.howitworks {
  padding: 80px 32px;
  background: var(--bg-2);
  border-top: 1px solid var(--border);
}
.hiw-inner { max-width: 1200px; margin: 0 auto; }
.hiw-header { margin-bottom: 52px; }
.hiw-header h2 {
  font-family: var(--font-head);
  font-size: clamp(28px, 3.5vw, 42px);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.8px;
}
.hiw-steps {
  display: flex;
  flex-direction: column;
  gap: 32px;
}
.hiw-step {
  display: grid;
  grid-template-columns: 80px 1fr 280px;
  gap: 28px;
  align-items: start;
  padding: 28px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 12px;
}
.step-number {
  font-family: var(--font-head);
  font-size: 36px;
  font-weight: 800;
  color: var(--accent);
  line-height: 1;
  opacity: 0.4;
}
.step-content h3 {
  font-family: var(--font-head);
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 8px;
}
.step-content p {
  font-size: 15px;
  color: var(--text-2);
  line-height: 1.6;
}
.step-visual { display: flex; align-items: center; }

/* Input box */
.input-box {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 14px;
  background: var(--bg-3);
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: 13px;
  color: var(--text-3);
  font-family: monospace;
  width: 100%;
}

/* Process bars */
.process-bars {
  display: flex;
  flex-direction: column;
  gap: 10px;
  width: 100%;
}
.pbar {
  display: grid;
  grid-template-columns: 130px 1fr;
  gap: 10px;
  align-items: center;
}
.pbar span {
  font-size: 12px;
  color: var(--text-2);
  font-family: var(--font-head);
}
.bar {
  height: 6px;
  background: var(--bg-3);
  border-radius: 3px;
  overflow: hidden;
}
.fill {
  height: 100%;
  background: var(--accent);
  border-radius: 3px;
}

/* Output frame */
.output-frame {
  background: var(--bg-3);
  border: 1px solid var(--border);
  border-radius: 8px;
  overflow: hidden;
  width: 100%;
}
.frame-header {
  padding: 10px 14px;
  background: var(--bg-2);
  border-bottom: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 13px;
  font-family: var(--font-head);
  font-weight: 600;
  color: var(--text-2);
}
.frame-tag {
  font-size: 11px;
  color: var(--accent);
  font-weight: 700;
  background: var(--accent-dim);
  padding: 3px 8px;
  border-radius: 4px;
}
.frame-body {
  padding: 12px 14px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.spec-row {
  display: flex;
  justify-content: space-between;
  font-size: 13px;
  font-family: var(--font-head);
}
.spec-row span:first-child { color: var(--text-3); }
.spec-row span:last-child { color: var(--text); font-weight: 600; }

/* AUDIENCE */
.audience {
  padding: 80px 32px;
  background: var(--bg);
  border-top: 1px solid var(--border);
}
.audience-inner { max-width: 1200px; margin: 0 auto; }
.audience-header { margin-bottom: 48px; }
.audience-header h2 {
  font-family: var(--font-head);
  font-size: clamp(28px, 3.5vw, 42px);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.8px;
}
.audience-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}
.audience-card {
  padding: 32px;
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: 12px;
}
.aud-icon {
  width: 52px;
  height: 52px;
  background: var(--accent-dim);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
}
.audience-card h3 {
  font-family: var(--font-head);
  font-size: 22px;
  font-weight: 700;
  margin-bottom: 4px;
}
.audience-count {
  font-size: 13px;
  color: var(--text-3);
  margin-bottom: 20px;
}
.audience-card ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 24px;
}
.audience-card li {
  font-size: 15px;
  color: var(--text-2);
  display: flex;
  align-items: flex-start;
  gap: 8px;
}
.audience-card li::before {
  content: '';
  width: 5px;
  height: 5px;
  background: var(--accent);
  border-radius: 50%;
  flex-shrink: 0;
  margin-top: 8px;
}
.audience-pricing {
  font-size: 14px;
  color: var(--text-3);
  padding-top: 20px;
  border-top: 1px solid var(--border);
}
.audience-pricing strong {
  font-size: 22px;
  color: var(--accent);
  font-family: var(--font-head);
}

/* CLOSING */
.closing {
  padding: 100px 32px;
  background: var(--bg-2);
  border-top: 1px solid var(--border);
}
.closing-inner { max-width: 1200px; margin: 0 auto; text-align: center; }
.closing-inner h2 {
  font-family: var(--font-head);
  font-size: clamp(32px, 4vw, 52px);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -1px;
  margin-bottom: 20px;
}
.closing-inner p {
  font-size: 18px;
  color: var(--text-2);
  max-width: 600px;
  margin: 0 auto 48px;
  line-height: 1.7;
}
.closing-stats {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 32px;
}
.stat { text-align: center; }
.stat-num {
  display: block;
  font-family: var(--font-head);
  font-size: 40px;
  font-weight: 800;
  color: var(--accent);
  line-height: 1;
}
.stat-label {
  font-size: 13px;
  color: var(--text-3);
  display: block;
  margin-top: 6px;
}
.stat-sep {
  width: 1px;
  height: 40px;
  background: var(--border);
}

/* FOOTER */
.footer {
  padding: 40px 32px;
  background: var(--bg);
  border-top: 1px solid var(--border);
}
.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 20px;
}
.footer-logo {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 15px;
}
.footer-copy {
  font-size: 14px;
  color: var(--text-3);
  margin-left: 8px;
}
.footer-built {
  font-size: 12px;
  color: var(--text-3);
  margin-left: auto;
}

/* RESPONSIVE */
@media (max-width: 900px) {
  .hero-content { grid-template-columns: 1fr; }
  .hero-widget { display: none; }
  .solution-pillars { grid-template-columns: 1fr 1fr; }
  .hiw-step { grid-template-columns: 60px 1fr; }
  .step-visual { display: none; }
  .problem-grid, .audience-grid { grid-template-columns: 1fr; }
  .closing-stats { flex-direction: column; gap: 20px; }
  .stat-sep { display: none; }
}
@media (max-width: 600px) {
  .hero { padding: 60px 20px 80px; }
  .solution-pillars { grid-template-columns: 1fr; }
  .nav-inner { padding: 14px 20px; }
  section { padding-left: 20px; padding-right: 20px; }
}