:root {
  --bg-deep: #0a1628;
  --bg-surface: #0f1f3a;
  --bg-card: #162847;
  --text-primary: #e8edf5;
  --text-secondary: #8a9bc0;
  --text-dim: #5a6d94;
  --accent: #00d4aa;
  --accent-glow: rgba(0, 212, 170, 0.15);
  --accent-soft: #00b894;
  --water-blue: #1a73e8;
  --water-dark: #0d3b7a;
  --sonar-green: #00ff88;
  --warning-amber: #ffb347;
  --font-display: 'Space Grotesk', sans-serif;
  --font-body: 'DM Sans', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
}

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

html {
  scroll-behavior: smooth;
}

body {
  background: var(--bg-deep);
  color: var(--text-primary);
  font-family: var(--font-body);
  line-height: 1.6;
  overflow-x: hidden;
}

.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ===== HERO ===== */
.hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  position: relative;
  padding: 120px 0 80px;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -40%;
  right: -20%;
  width: 800px;
  height: 800px;
  background: radial-gradient(circle, rgba(0, 212, 170, 0.06) 0%, transparent 70%);
  pointer-events: none;
}

.hero::after {
  content: '';
  position: absolute;
  bottom: -30%;
  left: -15%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(26, 115, 232, 0.05) 0%, transparent 70%);
  pointer-events: none;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  background: var(--accent-glow);
  border: 1px solid rgba(0, 212, 170, 0.2);
  border-radius: 100px;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--accent);
  letter-spacing: 0.05em;
  text-transform: uppercase;
  margin-bottom: 32px;
  width: fit-content;
}

.hero-badge .pulse {
  width: 6px;
  height: 6px;
  background: var(--accent);
  border-radius: 50%;
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; box-shadow: 0 0 0 0 rgba(0, 212, 170, 0.4); }
  50% { opacity: 0.7; box-shadow: 0 0 0 6px rgba(0, 212, 170, 0); }
}

.hero h1 {
  font-family: var(--font-display);
  font-size: clamp(2.8rem, 6vw, 4.5rem);
  font-weight: 700;
  line-height: 1.05;
  letter-spacing: -0.03em;
  margin-bottom: 24px;
  max-width: 700px;
}

.hero h1 .highlight {
  color: var(--accent);
}

.hero-sub {
  font-size: clamp(1.1rem, 2vw, 1.3rem);
  color: var(--text-secondary);
  max-width: 540px;
  line-height: 1.7;
  margin-bottom: 48px;
}

.hero-stats {
  display: flex;
  gap: 48px;
  flex-wrap: wrap;
}

.hero-stat {
  display: flex;
  flex-direction: column;
}

.hero-stat .number {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 700;
  color: var(--accent);
  line-height: 1;
}

.hero-stat .label {
  font-size: 0.85rem;
  color: var(--text-dim);
  margin-top: 4px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

/* ===== HOW IT WORKS ===== */
.how-section {
  padding: 100px 0;
  position: relative;
}

.how-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 100%;
  max-width: 1100px;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(0, 212, 170, 0.15), transparent);
}

.section-label {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--accent);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 16px;
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 16px;
  max-width: 600px;
}

.section-desc {
  color: var(--text-secondary);
  font-size: 1.05rem;
  max-width: 520px;
  margin-bottom: 60px;
}

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

.how-card {
  background: var(--bg-surface);
  border: 1px solid rgba(138, 155, 192, 0.08);
  border-radius: 16px;
  padding: 36px 28px;
  position: relative;
  transition: border-color 0.3s;
}

.how-card:hover {
  border-color: rgba(0, 212, 170, 0.2);
}

.how-card .step-num {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--text-dim);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 20px;
}

.how-card h3 {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 600;
  margin-bottom: 12px;
}

.how-card p {
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.6;
}

/* ===== REPORT PREVIEW ===== */
.report-section {
  padding: 100px 0;
}

.report-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

.report-text {
  max-width: 460px;
}

.report-text .section-title {
  margin-bottom: 20px;
}

.report-text .desc {
  color: var(--text-secondary);
  font-size: 1rem;
  line-height: 1.7;
  margin-bottom: 32px;
}

.report-features {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.report-features li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  color: var(--text-secondary);
  font-size: 0.95rem;
}

.report-features li .icon {
  flex-shrink: 0;
  width: 20px;
  height: 20px;
  background: var(--accent-glow);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-top: 2px;
}

.report-features li .icon::after {
  content: '';
  width: 6px;
  height: 6px;
  background: var(--accent);
  border-radius: 50%;
}

.report-mock {
  background: var(--bg-surface);
  border: 1px solid rgba(138, 155, 192, 0.1);
  border-radius: 16px;
  padding: 32px;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  line-height: 1.8;
  color: var(--text-secondary);
  position: relative;
  overflow: hidden;
}

.report-mock::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--accent), var(--water-blue));
}

.report-mock .mock-header {
  color: var(--text-dim);
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid rgba(138, 155, 192, 0.08);
}

.report-mock .mock-line {
  margin-bottom: 4px;
}

.report-mock .mock-line .val {
  color: var(--accent);
  font-weight: 600;
}

.report-mock .mock-line .warn {
  color: var(--warning-amber);
}

.report-mock .mock-line .label-text {
  color: var(--text-dim);
}

.report-mock .mock-divider {
  height: 1px;
  background: rgba(138, 155, 192, 0.06);
  margin: 12px 0;
}

.report-mock .mock-alert {
  margin-top: 16px;
  padding: 12px 16px;
  background: var(--accent-glow);
  border-radius: 8px;
  color: var(--accent);
  font-weight: 500;
}

/* ===== CLOSING ===== */
.closing {
  padding: 120px 0;
  text-align: center;
  position: relative;
}

.closing::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 100%;
  max-width: 1100px;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(0, 212, 170, 0.15), transparent);
}

.closing h2 {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 20px;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.closing p {
  color: var(--text-secondary);
  font-size: 1.1rem;
  max-width: 500px;
  margin: 0 auto;
  line-height: 1.7;
}

/* ===== FOOTER ===== */
footer {
  padding: 40px 0;
  border-top: 1px solid rgba(138, 155, 192, 0.06);
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.footer-brand {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--text-primary);
}

.footer-note {
  font-size: 0.8rem;
  color: var(--text-dim);
}

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
  .how-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .report-layout {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .hero-stats {
    gap: 32px;
  }

  .hero {
    padding: 80px 0 60px;
    min-height: auto;
  }

  .footer-inner {
    flex-direction: column;
    gap: 12px;
    text-align: center;
  }

  .report-mock {
    font-size: 0.72rem;
  }
}