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

:root {
  --bg: #050810;
  --bg-2: #0a0f1a;
  --bg-card: #0d1220;
  --accent: #f5a623;
  --accent-dim: rgba(245, 166, 35, 0.12);
  --accent-glow: rgba(245, 166, 35, 0.25);
  --steel: #8fa3bf;
  --steel-dim: #4a5a70;
  --text: #e8edf5;
  --text-muted: #6b7a90;
  --border: rgba(143, 163, 191, 0.1);
}

html { scroll-behavior: smooth; }

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

/* === NAV === */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 48px;
  background: rgba(5, 8, 16, 0.85);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 10px;
}

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

.nav-name {
  font-family: 'DM Mono', monospace;
  font-size: 15px;
  font-weight: 500;
  letter-spacing: 0.1em;
  color: var(--text);
}

.nav-status {
  display: flex;
  align-items: center;
  gap: 8px;
}

.status-dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 8px var(--accent);
  animation: pulse-dot 2s ease-in-out infinite;
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

.status-text {
  font-family: 'DM Mono', monospace;
  font-size: 12px;
  color: var(--text-muted);
  letter-spacing: 0.05em;
}

/* === HERO === */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 140px 48px 80px;
  overflow: hidden;
}

.hero-glow {
  position: absolute;
  top: 20%;
  right: -5%;
  width: 60%;
  height: 80%;
  background: radial-gradient(ellipse at center, rgba(245, 166, 35, 0.06) 0%, transparent 70%);
  pointer-events: none;
}

.hero-content {
  max-width: 1280px;
  margin: 0 auto;
  width: 100%;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

.hero-text { display: flex; flex-direction: column; gap: 24px; }

.hero-label {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: 'DM Mono', monospace;
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--accent);
  text-transform: uppercase;
}

.hero-label-dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 8px var(--accent);
}

.hero-headline {
  font-family: 'Playfair Display', serif;
  font-size: clamp(42px, 5vw, 72px);
  font-weight: 800;
  line-height: 1.08;
  color: var(--text);
  letter-spacing: -0.02em;
}

.hero-headline em {
  font-style: italic;
  color: var(--accent);
}

.hero-sub {
  font-size: 18px;
  line-height: 1.65;
  color: var(--steel);
  max-width: 480px;
}

.hero-data-row {
  display: flex;
  align-items: center;
  gap: 24px;
  margin-top: 8px;
  padding: 24px 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.hero-data-item { display: flex; flex-direction: column; gap: 4px; }

.hero-data-val {
  font-family: 'DM Mono', monospace;
  font-size: 24px;
  font-weight: 500;
  color: var(--accent);
}

.hero-data-label {
  font-size: 12px;
  color: var(--text-muted);
  letter-spacing: 0.03em;
}

.hero-data-sep {
  width: 1px;
  height: 40px;
  background: var(--border);
}

/* === RADAR VISUAL === */
.hero-visual { display: flex; flex-direction: column; gap: 20px; }

.radar-container {
  position: relative;
  width: 100%;
  aspect-ratio: 16/10;
  border-radius: 16px;
  background: var(--bg-2);
  border: 1px solid var(--border);
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

.radar-ring {
  position: absolute;
  border-radius: 50%;
  border: 1px solid var(--steel-dim);
}

.radar-ring-1 { width: 40%; height: 40%; }
.radar-ring-2 { width: 65%; height: 65%; }
.radar-ring-3 { width: 88%; height: 88%; }

.radar-sweep {
  position: absolute;
  width: 88%;
  height: 88%;
  border-radius: 50%;
  background: conic-gradient(
    from 0deg,
    transparent 0deg,
    rgba(245, 166, 35, 0.25) 30deg,
    transparent 60deg
  );
  animation: sweep 4s linear infinite;
}

@keyframes sweep {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

.radar-center-dot {
  position: absolute;
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 16px var(--accent);
  z-index: 2;
}

.competitor-blip {
  position: absolute;
  width: 10px; height: 10px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 12px var(--accent);
  z-index: 3;
}

.blip-1 { top: 18%; left: 22%; }
.blip-2 { top: 30%; right: 18%; }
.blip-3 { bottom: 22%; left: 40%; animation: blink 3s ease-in-out infinite; }
.blip-4 { bottom: 35%; right: 30%; animation: blink 4s ease-in-out infinite 1s; }

@keyframes blink {
  0%, 100% { opacity: 1; box-shadow: 0 0 12px var(--accent); }
  50% { opacity: 0.3; box-shadow: 0 0 4px var(--accent); }
}

.alert-badge {
  position: absolute;
  top: 16px;
  right: 16px;
  z-index: 5;
}

.alert-badge-inner {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  background: rgba(245, 166, 35, 0.12);
  border: 1px solid var(--accent);
  border-radius: 6px;
  font-family: 'DM Mono', monospace;
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--accent);
}

.radar-label {
  position: absolute;
  bottom: 16px;
  left: 16px;
  z-index: 5;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.radar-label-name {
  font-family: 'DM Mono', monospace;
  font-size: 13px;
  font-weight: 500;
  color: var(--text);
}

.radar-label-detail {
  font-size: 11px;
  color: var(--text-muted);
}

/* === SIGNAL STRIP === */
.signal-strip {
  display: flex;
  align-items: flex-end;
  gap: 4px;
  height: 48px;
  padding: 0 8px;
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: 8px;
}

.signal-bar {
  flex: 1;
  background: var(--steel-dim);
  border-radius: 2px;
  opacity: 0.3;
  transition: opacity 0.3s;
}

.signal-bar.active {
  background: var(--accent);
  opacity: 1;
  box-shadow: 0 0 6px var(--accent-glow);
}

/* === SIGNALS SECTION === */
.signals {
  padding: 80px 48px;
  border-top: 1px solid var(--border);
  background: var(--bg-2);
}

.signals-inner { max-width: 1280px; margin: 0 auto; }

.signals-label {
  font-family: 'DM Mono', monospace;
  font-size: 11px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 32px;
}

.signals-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.signal-card {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 24px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  transition: border-color 0.3s;
}

.signal-card:hover { border-color: var(--accent); }

.signal-icon { display: flex; }

.signal-info { flex: 1; }

.signal-title {
  font-size: 15px;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 6px;
}

.signal-desc {
  font-size: 13px;
  line-height: 1.55;
  color: var(--text-muted);
}

.signal-badge {
  font-family: 'DM Mono', monospace;
  font-size: 11px;
  letter-spacing: 0.05em;
  color: var(--accent);
  padding: 4px 8px;
  background: var(--accent-dim);
  border-radius: 4px;
  display: inline-block;
}

/* === FEATURES SECTION === */
.features {
  padding: 100px 48px;
  max-width: 1280px;
  margin: 0 auto;
}

.features-header {
  text-align: center;
  margin-bottom: 64px;
}

.features-title {
  font-family: 'Playfair Display', serif;
  font-size: clamp(36px, 4vw, 56px);
  font-weight: 700;
  color: var(--text);
  margin-bottom: 16px;
}

.features-sub {
  font-size: 18px;
  color: var(--steel);
  max-width: 560px;
  margin: 0 auto;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-bottom: 80px;
}

.feature-card {
  padding: 32px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 16px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  position: relative;
  overflow: hidden;
  transition: border-color 0.3s, transform 0.3s;
}

.feature-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 2px;
  background: linear-gradient(90deg, var(--accent), transparent);
  opacity: 0;
  transition: opacity 0.3s;
}

.feature-card:hover { border-color: rgba(245, 166, 35, 0.3); transform: translateY(-4px); }
.feature-card:hover::before { opacity: 1; }

.feature-card-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 8px;
}

.feature-number {
  font-family: 'DM Mono', monospace;
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--accent);
}

.feature-title {
  font-family: 'Playfair Display', serif;
  font-size: 22px;
  font-weight: 700;
  color: var(--text);
  line-height: 1.2;
}

.feature-desc {
  font-size: 14px;
  line-height: 1.6;
  color: var(--steel);
  flex: 1;
}

.feature-stat {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding-top: 16px;
  border-top: 1px solid var(--border);
  margin-top: auto;
}

.feature-stat-val {
  font-family: 'DM Mono', monospace;
  font-size: 28px;
  font-weight: 500;
  color: var(--accent);
}

.feature-stat-label {
  font-size: 12px;
  color: var(--text-muted);
  line-height: 1.4;
}

.features-quote {
  text-align: center;
  padding: 48px 0;
  border-top: 1px solid var(--border);
}

.features-quote blockquote {
  font-family: 'Playfair Display', serif;
  font-size: clamp(20px, 2.5vw, 30px);
  font-style: italic;
  color: var(--text);
  line-height: 1.4;
  max-width: 700px;
  margin: 0 auto 16px;
}

.features-quote cite {
  font-family: 'DM Mono', monospace;
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--accent);
  font-style: normal;
}

/* === HOW SECTION === */
.how {
  padding: 80px 48px;
  background: var(--bg-2);
  border-top: 1px solid var(--border);
}

.how-inner {
  max-width: 960px;
  margin: 0 auto;
}

.how-label {
  font-family: 'DM Mono', monospace;
  font-size: 11px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 48px;
  text-align: center;
}

.how-steps {
  display: flex;
  align-items: flex-start;
  gap: 0;
}

.how-step {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.how-step-num {
  font-family: 'DM Mono', monospace;
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--accent);
  margin-bottom: 4px;
}

.how-step-title {
  font-family: 'Playfair Display', serif;
  font-size: 20px;
  font-weight: 700;
  color: var(--text);
  line-height: 1.2;
}

.how-step-desc {
  font-size: 14px;
  line-height: 1.6;
  color: var(--steel);
}

.how-connector {
  display: flex;
  align-items: center;
  padding: 32px 24px 0;
  flex-direction: column;
  gap: 8px;
}

.how-connector-line {
  width: 1px;
  height: 40px;
  background: var(--steel-dim);
}

.how-connector-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 8px var(--accent);
}

/* === CLOSING === */
.closing {
  position: relative;
  padding: 120px 48px;
  text-align: center;
  overflow: hidden;
  border-top: 1px solid var(--border);
}

.closing-glow {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 80%;
  height: 60%;
  background: radial-gradient(ellipse, rgba(245, 166, 35, 0.08) 0%, transparent 70%);
  pointer-events: none;
}

.closing-content {
  position: relative;
  max-width: 800px;
  margin: 0 auto;
}

.closing-tag {
  font-family: 'DM Mono', monospace;
  font-size: 12px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 24px;
}

.closing-headline {
  font-family: 'Playfair Display', serif;
  font-size: clamp(32px, 4vw, 54px);
  font-weight: 700;
  line-height: 1.1;
  color: var(--text);
  margin-bottom: 24px;
}

.closing-body {
  font-size: 18px;
  line-height: 1.65;
  color: var(--steel);
  max-width: 580px;
  margin: 0 auto;
}

/* === FOOTER === */
.footer {
  padding: 48px;
  border-top: 1px solid var(--border);
}

.footer-inner {
  max-width: 1280px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 24px;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 8px;
}

.footer-name {
  font-family: 'DM Mono', monospace;
  font-size: 14px;
  letter-spacing: 0.1em;
  color: var(--text);
}

.footer-tagline {
  font-size: 14px;
  color: var(--text-muted);
  flex: 1;
}

.footer-copy {
  font-size: 12px;
  color: var(--text-muted);
  font-family: 'DM Mono', monospace;
}

/* === RESPONSIVE === */
@media (max-width: 1024px) {
  .signals-grid { grid-template-columns: repeat(2, 1fr); }
  .features-grid { grid-template-columns: repeat(2, 1fr); }
  .hero-content { grid-template-columns: 1fr; gap: 48px; }
  .hero-visual { max-width: 480px; }
}

@media (max-width: 768px) {
  .nav { padding: 14px 24px; }
  .hero { padding: 120px 24px 60px; }
  .signals { padding: 60px 24px; }
  .features { padding: 60px 24px; }
  .how { padding: 60px 24px; }
  .closing { padding: 80px 24px; }
  .footer { padding: 32px 24px; }
  .signals-grid { grid-template-columns: 1fr; }
  .features-grid { grid-template-columns: 1fr; }
  .how-steps { flex-direction: column; gap: 32px; }
  .how-connector { display: none; }
  .footer-inner { flex-direction: column; align-items: flex-start; gap: 12px; }
  .hero-data-row { flex-wrap: wrap; gap: 16px; }
}

/* === SCROLLBAR === */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--steel-dim); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--steel); }