:root {
  --bg: #050d1a;
  --bg-2: #091526;
  --bg-3: #0d1e35;
  --fg: #e8edf5;
  --fg-2: #8fa3bf;
  --accent: #00e5c3;
  --accent-dim: rgba(0,229,195,0.12);
  --border: rgba(255,255,255,0.07);
}

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

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

/* NAV */
.nav {
  padding: 20px 40px;
  border-bottom: 1px solid var(--border);
}
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 1200px;
  margin: 0 auto;
}
.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--fg);
  font-family: 'Syne', sans-serif;
  font-weight: 700;
  font-size: 18px;
  letter-spacing: -0.02em;
}
.nav-tag {
  font-size: 12px;
  color: var(--fg-2);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  font-weight: 500;
}
.nav-cta {
  background: var(--accent);
  color: var(--bg);
  text-decoration: none;
  font-family: 'Syne', sans-serif;
  font-weight: 700;
  font-size: 14px;
  padding: 11px 24px;
  border-radius: 10px;
  letter-spacing: -0.02em;
  transition: opacity 0.15s, box-shadow 0.15s;
  box-shadow: 0 0 0 0 rgba(0,229,195,0);
}
.nav-cta:hover {
  opacity: 0.9;
  box-shadow: 0 0 20px 4px rgba(0,229,195,0.25);
}

/* SECTIONS */
.section-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 40px;
}
.section-label {
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  font-weight: 500;
  margin-bottom: 16px;
}
.section-title {
  font-family: 'Syne', sans-serif;
  font-size: clamp(28px, 4vw, 48px);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.03em;
  color: var(--fg);
  margin-bottom: 56px;
}

/* HERO */
.hero {
  padding: 80px 40px 100px;
  max-width: 1200px;
  margin: 0 auto;
}
.hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}
.hero-eyebrow {
  font-size: 12px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 20px;
  font-weight: 500;
}
.hero-headline {
  font-family: 'Syne', sans-serif;
  font-size: clamp(36px, 5vw, 62px);
  font-weight: 800;
  line-height: 1.05;
  letter-spacing: -0.04em;
  color: var(--fg);
  margin-bottom: 24px;
}
.hero-highlight {
  color: var(--accent);
}
.hero-sub {
  font-size: 17px;
  color: var(--fg-2);
  line-height: 1.7;
  max-width: 460px;
  margin-bottom: 24px;
}
.btn-primary {
  display: inline-block;
  background: var(--accent);
  color: var(--bg);
  text-decoration: none;
  font-family: 'Syne', sans-serif;
  font-weight: 700;
  font-size: 15px;
  padding: 14px 28px;
  border-radius: 10px;
  letter-spacing: -0.02em;
  margin-bottom: 48px;
  transition: opacity 0.15s;
}
.btn-primary:hover { opacity: 0.85; }
.hero-stats {
  display: flex;
  gap: 32px;
  align-items: center;
}
.stat-value {
  font-family: 'Syne', sans-serif;
  font-size: 26px;
  font-weight: 700;
  color: var(--fg);
  letter-spacing: -0.02em;
}
.stat-label {
  font-size: 12px;
  color: var(--fg-2);
  margin-top: 4px;
}
.stat-divider {
  width: 1px;
  height: 40px;
  background: var(--border);
}

/* PULSE VIZ */
.hero-right {
  position: relative;
}
.pulse-viz {
  position: relative;
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 40px;
  overflow: hidden;
}
.pulse-ring {
  position: absolute;
  border-radius: 50%;
  border: 1px solid var(--accent);
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  animation: pulse-expand 3s ease-out infinite;
}
.pulse-ring-1 { width: 80px; height: 80px; opacity: 0.6; animation-delay: 0s; }
.pulse-ring-2 { width: 140px; height: 140px; opacity: 0.3; animation-delay: 0.8s; }
.pulse-ring-3 { width: 200px; height: 200px; opacity: 0.1; animation-delay: 1.6s; }
@keyframes pulse-expand {
  0% { transform: translate(-50%,-50%) scale(0.8); opacity: 0.6; }
  100% { transform: translate(-50%,-50%) scale(1.4); opacity: 0; }
}
.pulse-core {
  position: absolute;
  top: 20px;
  right: 20px;
  background: var(--accent-dim);
  border: 1px solid var(--accent);
  border-radius: 12px;
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.pulse-channels {
  margin-top: 120px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.channel-row {
  display: flex;
  align-items: center;
  gap: 12px;
}
.channel-icon {
  width: 28px;
  height: 28px;
  border-radius: 6px;
  flex-shrink: 0;
}
.instagram { background: linear-gradient(135deg, #833ab4, #fd1d1d, #fcb045); }
.linkedin { background: #0a66c2; }
.twitter { background: #14171a; }
.email { background: var(--bg-3); border: 1px solid var(--border); }
.channel-bar {
  flex: 1;
  height: 6px;
  background: var(--bg-3);
  border-radius: 3px;
  position: relative;
  overflow: hidden;
}
.channel-bar::after {
  content: '';
  position: absolute;
  left: 0; top: 0; bottom: 0;
  width: var(--w);
  background: var(--accent);
  border-radius: 3px;
  opacity: 0.6;
}
.channel-label {
  font-size: 11px;
  color: var(--fg-2);
  white-space: nowrap;
  width: 120px;
  text-align: right;
}
.live-badge {
  position: absolute;
  bottom: 16px;
  left: 40px;
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 11px;
  color: var(--accent);
  font-weight: 500;
  letter-spacing: 0.04em;
}
.live-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--accent);
  animation: blink 2s ease-in-out infinite;
}
@keyframes blink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.3; }
}

/* HOW IT WORKS */
.howitworks {
  padding: 100px 0;
  background: var(--bg-2);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.steps-grid {
  display: grid;
  grid-template-columns: 1fr auto 1fr auto 1fr;
  gap: 0;
  align-items: start;
  margin-bottom: 48px;
}
.step {
  padding: 0 24px;
}
.step-num {
  font-family: 'Syne', sans-serif;
  font-size: 40px;
  font-weight: 800;
  color: var(--accent);
  opacity: 0.25;
  letter-spacing: -0.04em;
  margin-bottom: 12px;
}
.step-title {
  font-family: 'Syne', sans-serif;
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 12px;
  letter-spacing: -0.02em;
}
.step-desc {
  font-size: 14px;
  color: var(--fg-2);
  line-height: 1.65;
}
.step-arrow {
  padding-top: 44px;
  display: flex;
  align-items: flex-start;
}
.how-note {
  font-size: 15px;
  color: var(--fg-2);
  font-style: italic;
  border-left: 2px solid var(--accent);
  padding-left: 20px;
  max-width: 500px;
}

/* FEATURES */
.features {
  padding: 100px 0;
}
.features-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: 16px;
  overflow: hidden;
}
.feature-card {
  background: var(--bg-2);
  padding: 40px;
}
.feature-icon {
  margin-bottom: 20px;
}
.feature-title {
  font-family: 'Syne', sans-serif;
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 12px;
  letter-spacing: -0.02em;
}
.feature-desc {
  font-size: 14px;
  color: var(--fg-2);
  line-height: 1.7;
}

/* PHILOSOPHY */
.philosophy {
  padding: 100px 0;
  background: var(--bg-2);
  border-top: 1px solid var(--border);
}
.philosophy-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  margin-bottom: 56px;
}
.comparison-old, .comparison-new {
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.compare-row {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  font-size: 15px;
}
.compare-row.old { color: #6b7a8d; }
.compare-row.new { color: var(--fg); }
.compare-icon { font-size: 14px; flex-shrink: 0; margin-top: 1px; }
.old .compare-icon { color: #e05c5c; }
.new .compare-icon { color: var(--accent); }
.philosophy-statement {
  font-family: 'Syne', sans-serif;
  font-size: 22px;
  font-weight: 600;
  color: var(--fg);
  line-height: 1.5;
  max-width: 640px;
  letter-spacing: -0.02em;
}
.philosophy-statement p { color: var(--fg-2); font-family: 'DM Sans', sans-serif; font-size: 16px; font-weight: 400; margin-top: 12px; }

/* CLOSING */
.closing {
  padding: 100px 0 120px;
  text-align: center;
}
.closing-headline {
  font-family: 'Syne', sans-serif;
  font-size: clamp(36px, 5vw, 64px);
  font-weight: 800;
  letter-spacing: -0.04em;
  color: var(--fg);
  line-height: 1.05;
  margin-bottom: 28px;
}
.closing-sub {
  font-size: 18px;
  color: var(--fg-2);
  max-width: 580px;
  margin: 0 auto 24px;
  line-height: 1.7;
}
.closing-vision {
  font-size: 16px;
  color: var(--accent);
  max-width: 500px;
  margin: 0 auto;
  font-style: italic;
  line-height: 1.6;
}
.closing-cta {
  display: block;
  width: fit-content;
  margin: 48px auto 0;
  font-size: 16px;
  padding: 16px 36px;
}

/* FOOTER */
.footer {
  border-top: 1px solid var(--border);
  padding: 32px 40px;
}
.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.footer-logo {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: 'Syne', sans-serif;
  font-weight: 700;
  font-size: 15px;
}
.footer-copy {
  font-size: 13px;
  color: var(--fg-2);
}

/* RESPONSIVE */
@media (max-width: 768px) {
  .hero-grid { grid-template-columns: 1fr; gap: 60px; }
  .hero-right { display: none; }
  .steps-grid { grid-template-columns: 1fr; gap: 32px; }
  .step-arrow { display: none; }
  .features-grid { grid-template-columns: 1fr; }
  .philosophy-grid { grid-template-columns: 1fr; gap: 40px; }
  .hero-stats { flex-direction: column; gap: 20px; align-items: flex-start; }
  .stat-divider { display: none; }
  .nav { padding: 16px 20px; }
  .section-inner { padding: 0 20px; }
  .hero { padding: 48px 20px 64px; }
  .closing { padding: 64px 0 80px; }
}
