/* === RESET & BASE === */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg: #0a0f1e;
  --surface: #111827;
  --surface2: #1a2235;
  --lime: #c8ff00;
  --cyan: #00d4ff;
  --text: #f0f4ff;
  --text-muted: #8892a4;
  --border: rgba(200,255,0,0.12);
  --font-display: 'Orbitron', sans-serif;
  --font-body: 'DM Sans', sans-serif;
}

html { scroll-behavior: smooth; }

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

/* === NAVBAR === */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: 0 clamp(24px, 5vw, 80px);
  height: 64px;
  display: flex;
  align-items: center;
  border-bottom: 1px solid var(--border);
  background: rgba(10,15,30,0.85);
  backdrop-filter: blur(12px);
}

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

.nav-logo {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 700;
  letter-spacing: 0.05em;
  color: var(--text);
}

.logo-accent { color: var(--lime); }

.nav-tagline {
  font-size: 12px;
  color: var(--text-muted);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-weight: 500;
}

.nav-right {
  margin-left: auto;
}

.btn-dashboard-cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--lime);
  color: #0a0f1e;
  border: none;
  border-radius: 8px;
  padding: 9px 20px;
  font-size: 13px;
  font-weight: 600;
  font-family: var(--font-body);
  text-decoration: none;
  transition: opacity 0.2s, transform 0.1s;
  cursor: pointer;
}

.btn-dashboard-cta:hover {
  opacity: 0.85;
  transform: scale(1.02);
}

.btn-dashboard-cta:active { transform: scale(0.98); }

/* === HERO === */
.hero {
  min-height: 100vh;
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  padding: clamp(100px, 12vh, 140px) clamp(24px, 5vw, 80px) clamp(60px, 8vh, 100px);
  gap: 60px;
  max-width: 1400px;
  margin: 0 auto;
}

.hero-eyebrow {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-muted);
  font-weight: 500;
  margin-bottom: 28px;
}

.eyebrow-dot {
  width: 8px;
  height: 8px;
  background: var(--lime);
  border-radius: 50%;
  box-shadow: 0 0 10px var(--lime);
  animation: pulse-dot 2s ease-in-out infinite;
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; box-shadow: 0 0 10px var(--lime); }
  50% { opacity: 0.6; box-shadow: 0 0 20px var(--lime); }
}

.hero-headline {
  font-family: var(--font-display);
  font-size: clamp(36px, 5vw, 64px);
  font-weight: 900;
  line-height: 1.05;
  letter-spacing: -0.02em;
  color: var(--text);
  margin-bottom: 24px;
}

.hero-sub {
  font-size: clamp(15px, 1.5vw, 18px);
  color: var(--text-muted);
  max-width: 480px;
  line-height: 1.7;
}

/* === PULSE DISPLAY === */
.hero-right {
  display: flex;
  justify-content: center;
}

.pulse-display {
  position: relative;
  width: 340px;
  height: 340px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.pulse-ring {
  position: absolute;
  border-radius: 50%;
  border: 1px solid;
  animation: ring-expand 3s ease-out infinite;
}

.pulse-ring-1 {
  width: 120px; height: 120px;
  border-color: var(--lime);
  animation-delay: 0s;
}

.pulse-ring-2 {
  width: 200px; height: 200px;
  border-color: rgba(0,212,255,0.4);
  animation-delay: 1s;
}

.pulse-ring-3 {
  width: 300px; height: 300px;
  border-color: rgba(200,255,0,0.15);
  animation-delay: 2s;
}

@keyframes ring-expand {
  0% { transform: scale(0.9); opacity: 1; }
  100% { transform: scale(1.3); opacity: 0; }
}

.pulse-center {
  position: relative;
  z-index: 2;
  width: 72px;
  height: 72px;
  background: var(--surface);
  border: 2px solid var(--lime);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 0 30px rgba(200,255,0,0.2);
}

/* === SIGNAL CARDS === */
.signal-card {
  position: absolute;
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 12px 16px;
  width: 160px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.signal-card-1 { top: 20px; right: -20px; animation: float 4s ease-in-out infinite; }
.signal-card-2 { bottom: 60px; left: -30px; animation: float 5s ease-in-out infinite 0.5s; }
.signal-card-3 { top: 50%; right: -60px; animation: float 3.5s ease-in-out infinite 1s; }

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}

.signal-cat { font-size: 10px; text-transform: uppercase; letter-spacing: 0.08em; color: var(--cyan); font-weight: 600; }
.signal-name { font-size: 12px; font-weight: 600; color: var(--text); line-height: 1.3; }
.signal-trend { font-size: 11px; font-weight: 600; color: var(--lime); }
.signal-trend.upward { color: var(--lime); }

/* === SIGNAL SECTION === */
.signal-section {
  background: var(--surface);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: clamp(48px, 6vh, 80px) clamp(24px, 5vw, 80px);
}

.signal-header {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 40px;
  max-width: 1200px;
  margin-left: auto;
  margin-right: auto;
  flex: 1;
}

.signal-cta {
  margin-left: auto;
  font-size: 13px;
  font-weight: 500;
  color: var(--lime);
  text-decoration: none;
  letter-spacing: 0.04em;
  transition: opacity 0.2s;
}
.signal-cta:hover { opacity: 0.7; }

.live-badge {
  background: var(--lime);
  color: #000;
  font-family: var(--font-display);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.1em;
  padding: 4px 10px;
  border-radius: 3px;
}

.signal-title {
  font-family: var(--font-display);
  font-size: clamp(20px, 2.5vw, 28px);
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--text);
}

.signal-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 16px;
  max-width: 1200px;
  margin: 0 auto;
}

.signal-item {
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 20px;
  display: flex;
  align-items: center;
  gap: 16px;
}

.signal-icon-wrap {
  width: 40px;
  height: 40px;
  background: rgba(200,255,0,0.08);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.signal-meta { flex: 1; }

.signal-product { display: block; font-weight: 600; font-size: 14px; color: var(--text); }
.signal-platform { display: block; font-size: 12px; color: var(--text-muted); margin-top: 2px; }

.signal-spike {
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 700;
  color: var(--lime);
  white-space: nowrap;
}

/* === FEATURES === */
.features {
  padding: clamp(64px, 8vh, 100px) clamp(24px, 5vw, 80px);
  max-width: 1200px;
  margin: 0 auto;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 24px;
}

.feature-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 32px 28px;
}

.feature-icon {
  width: 52px;
  height: 52px;
  background: rgba(200,255,0,0.07);
  border: 1px solid var(--border);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
}

.feature-title {
  font-family: var(--font-display);
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--text);
  margin-bottom: 10px;
}

.feature-desc {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.65;
}

/* === HOW IT WORKS === */
.how-section {
  padding: clamp(80px, 10vh, 120px) clamp(24px, 5vw, 80px);
  background: var(--surface);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.how-eyebrow {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 24px;
}

.how-eyebrow-line {
  display: block;
  width: 40px;
  height: 1px;
  background: var(--border);
}

.how-section-title {
  font-family: var(--font-display);
  font-size: clamp(26px, 3.5vw, 40px);
  font-weight: 900;
  letter-spacing: -0.01em;
  color: var(--text);
  text-align: center;
  margin-bottom: 12px;
}

.how-section-sub {
  font-size: 16px;
  color: var(--text-muted);
  text-align: center;
  max-width: 480px;
  margin: 0 auto 56px;
}

.how-flow {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0;
  max-width: 1000px;
  margin: 0 auto;
}

.how-card {
  position: relative;
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 32px 28px;
  flex: 1;
  max-width: 280px;
  overflow: hidden;
  transition: border-color 0.3s, transform 0.2s;
}

.how-card:hover {
  border-color: rgba(200,255,0,0.3);
  transform: translateY(-4px);
}

.how-card-glow {
  position: absolute;
  top: -40px;
  left: 50%;
  transform: translateX(-50%);
  width: 120px;
  height: 80px;
  background: radial-gradient(ellipse, rgba(200,255,0,0.12) 0%, transparent 70%);
  pointer-events: none;
}

.how-card-glow--cyan {
  background: radial-gradient(ellipse, rgba(0,212,255,0.10) 0%, transparent 70%);
}

.how-card-glow--lime2 {
  background: radial-gradient(ellipse, rgba(200,255,0,0.08) 0%, transparent 70%);
}

.how-step-badge {
  margin-bottom: 20px;
}

.step-num-badge {
  font-family: var(--font-display);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--text-muted);
  background: rgba(200,255,0,0.06);
  border: 1px solid var(--border);
  padding: 4px 10px;
  border-radius: 4px;
}

.how-icon-wrap {
  width: 52px;
  height: 52px;
  background: rgba(200,255,0,0.06);
  border: 1px solid var(--border);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
}

.how-icon-wrap--cyan {
  background: rgba(0,212,255,0.06);
}

.how-card-title {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--lime);
  text-transform: uppercase;
  margin-bottom: 10px;
}

.how-card-title--cyan { color: var(--cyan); }

.how-card-desc {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.7;
  margin-bottom: 20px;
}

.how-card-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.how-tag {
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.06em;
  color: var(--text-muted);
  background: rgba(200,255,0,0.06);
  border: 1px solid rgba(200,255,0,0.1);
  padding: 4px 10px;
  border-radius: 4px;
}

.how-tag--cyan {
  background: rgba(0,212,255,0.06);
  border-color: rgba(0,212,255,0.1);
}

.how-arrow {
  display: flex;
  align-items: center;
  padding: 0 16px;
  flex-shrink: 0;
}

@media (max-width: 768px) {
  .how-flow {
    flex-direction: column;
    gap: 24px;
  }
  .how-card { max-width: 100%; width: 100%; }
  .how-arrow { transform: rotate(90deg); padding: 8px 0; }
}

/* === CLOSING === */
.closing {
  padding: clamp(64px, 8vh, 100px) clamp(24px, 5vw, 80px);
  background: var(--surface);
  border-top: 1px solid var(--border);
}

.closing-inner {
  max-width: 900px;
  margin: 0 auto;
  text-align: center;
}

.closing-tagline {
  font-family: var(--font-display);
  font-size: clamp(28px, 4vw, 48px);
  font-weight: 900;
  letter-spacing: -0.01em;
  line-height: 1.1;
  color: var(--text);
  margin-bottom: 28px;
}

.closing-body {
  font-size: 16px;
  color: var(--text-muted);
  line-height: 1.8;
  max-width: 640px;
  margin: 0 auto 56px;
}

.closing-stats {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0;
}

.stat {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 0 40px;
}

.stat-value {
  font-family: var(--font-display);
  font-size: clamp(24px, 3vw, 36px);
  font-weight: 900;
  color: var(--lime);
  line-height: 1;
  margin-bottom: 8px;
}

.stat-label { font-size: 12px; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.06em; }

.stat-sep {
  width: 1px;
  height: 50px;
  background: var(--border);
}

/* === FOOTER === */
.footer {
  padding: 28px clamp(24px, 5vw, 80px);
  border-top: 1px solid var(--border);
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 1200px;
  margin: 0 auto;
}

.footer-logo {
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 700;
  letter-spacing: 0.05em;
  color: var(--text-muted);
}

.footer-accent { color: var(--lime); }
.footer-copy { font-size: 13px; color: var(--text-muted); }

/* === WAITLIST === */
.waitlist {
  padding: 100px clamp(24px, 5vw, 80px);
  text-align: center;
  background: var(--surface2);
  border-top: 1px solid var(--border);
}

.waitlist-inner {
  max-width: 640px;
  margin: 0 auto;
}

.waitlist-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--lime);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 5px 14px;
  margin-bottom: 28px;
}

.badge-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--lime);
  animation: pulse-dot 1.8s ease-in-out infinite;
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(0.8); }
}

.waitlist-headline {
  font-family: var(--font-display);
  font-size: clamp(32px, 5vw, 52px);
  font-weight: 700;
  letter-spacing: 0.02em;
  line-height: 1.1;
  color: var(--text);
  margin-bottom: 16px;
}

.waitlist-sub {
  font-size: 17px;
  color: var(--text-muted);
  margin-bottom: 40px;
  line-height: 1.6;
}

.waitlist-form { width: 100%; }

.waitlist-input-row {
  display: flex;
  gap: 0;
  max-width: 480px;
  margin: 0 auto 12px;
  border-radius: 10px;
  overflow: hidden;
  border: 1px solid var(--border);
  background: var(--surface);
  transition: border-color 0.2s;
}

.waitlist-input-row:focus-within {
  border-color: var(--lime);
}

.waitlist-input {
  flex: 1;
  padding: 14px 18px;
  font-family: var(--font-body);
  font-size: 15px;
  color: var(--text);
  background: transparent;
  border: none;
  outline: none;
}

.waitlist-input::placeholder { color: var(--text-muted); }

.waitlist-btn {
  padding: 14px 24px;
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: #0a0f1e;
  background: var(--lime);
  border: none;
  cursor: pointer;
  white-space: nowrap;
  transition: opacity 0.2s, background 0.2s;
  min-width: 140px;
}

.waitlist-btn:hover:not(:disabled) { background: #d4f200; }
.waitlist-btn:disabled { opacity: 0.6; cursor: not-allowed; }

.waitlist-msg {
  font-size: 14px;
  min-height: 20px;
  margin-bottom: 16px;
}
.waitlist-msg.success { color: var(--lime); }
.waitlist-msg.error { color: #ff6b6b; }

.waitlist-social {
  font-size: 13px;
  color: var(--text-muted);
  letter-spacing: 0.02em;
}

/* === RESPONSIVE === */
@media (max-width: 768px) {
  .hero { grid-template-columns: 1fr; min-height: auto; padding-top: 100px; }
  .hero-right { display: none; }
  .closing-stats { flex-direction: column; gap: 32px; }
  .stat-sep { width: 40px; height: 1px; }
  .how-steps { flex-direction: column; gap: 32px; }
  .how-connector { width: 40px; height: 2px; margin-top: 0; }
  .features-grid { grid-template-columns: 1fr; }
  .signal-grid { grid-template-columns: 1fr; }
  .waitlist-input-row { flex-direction: column; border-radius: 10px; }
  .waitlist-btn { border-radius: 0; width: 100%; min-width: unset; }
}

@media (max-width: 480px) {
  .nav-tagline { display: none; }
  .footer-inner { flex-direction: column; gap: 12px; text-align: center; }
}