/* ===================================
   PromoRoot — Theme CSS
   Dark obsidian + acid yellow
   =================================== */

:root {
  --bg: #0d0d0f;
  --bg-surface: #131316;
  --bg-card: #18181c;
  --fg: #f0ece4;
  --fg-muted: #6b6b6b;
  --fg-subtle: #3a3a3a;
  --accent: #d4ff00;
  --accent-dim: rgba(212, 255, 0, 0.1);
  --border: #222228;
  --radius: 12px;
  --font-display: 'Syne', sans-serif;
  --font-body: 'Instrument Sans', sans-serif;
}

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

html {
  scroll-behavior: smooth;
}

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

/* ===================================
   NAV
   =================================== */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(13, 13, 15, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
}

.nav-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 24px;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--fg);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 18px;
  letter-spacing: -0.02em;
}

.nav-links {
  display: flex;
  gap: 32px;
}

.nav-links a {
  color: var(--fg-muted);
  text-decoration: none;
  font-size: 14px;
  font-weight: 500;
  transition: color 0.2s;
}

.nav-links a:hover {
  color: var(--fg);
}

/* ===================================
   HERO
   =================================== */
.hero {
  padding: 140px 24px 80px;
  background: var(--bg);
  background-image:
    radial-gradient(ellipse 80% 50% at 50% -10%, rgba(212, 255, 0, 0.04) 0%, transparent 70%),
    linear-gradient(180deg, var(--bg) 0%, #0f0f12 100%);
}

.hero-inner {
  max-width: 1100px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

.hero-eyebrow {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 20px;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
}

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

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

.hero-headline {
  font-family: var(--font-display);
  font-size: clamp(40px, 5vw, 64px);
  font-weight: 800;
  line-height: 1.05;
  letter-spacing: -0.03em;
  color: var(--fg);
  margin-bottom: 24px;
}

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

.hero-sub {
  font-size: 18px;
  color: var(--fg-muted);
  line-height: 1.65;
  margin-bottom: 36px;
  max-width: 440px;
}

.hero-cta {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--accent);
  color: #0d0d0f;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 15px;
  padding: 12px 24px;
  border-radius: 8px;
  text-decoration: none;
  transition: all 0.2s;
  border: none;
  cursor: pointer;
}

.btn-primary:hover {
  background: #e0ff33;
  transform: translateY(-1px);
}

.hero-cta-note {
  font-size: 13px;
  color: var(--fg-muted);
}

/* Dashboard mockup */
.hero-dashboard {
  position: relative;
}

.dashboard-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 24px;
  box-shadow: 0 0 0 1px rgba(212, 255, 0, 0.05), 0 40px 80px rgba(0, 0, 0, 0.5);
}

.dash-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
}

.dash-title {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 14px;
  color: var(--fg);
}

.dash-status {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  color: #4ade80;
  font-weight: 500;
}

.status-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  display: block;
}

.status-dot.live {
  background: #4ade80;
  animation: pulse-dot 1.5s ease-in-out infinite;
}

.dash-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin-bottom: 24px;
}

.dash-stat {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 14px;
}

.stat-value {
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 800;
  color: var(--fg);
  letter-spacing: -0.02em;
}

.stat-label {
  font-size: 11px;
  color: var(--fg-muted);
  margin-top: 4px;
}

.dash-waves {
  display: flex;
  align-items: flex-end;
  gap: 4px;
  height: 48px;
  margin-bottom: 20px;
  padding: 12px;
  background: var(--bg-surface);
  border-radius: 8px;
}

.wave-bar {
  flex: 1;
  background: var(--accent);
  border-radius: 3px 3px 0 0;
  opacity: 0.6;
  min-height: 8px;
}

.dash-feeds {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.feed-item {
  display: grid;
  grid-template-columns: 20px 1fr auto;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  background: var(--bg-surface);
  border-radius: 8px;
  border: 1px solid var(--border);
}

.feed-icon {
  width: 20px;
  height: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.feed-text {
  font-size: 12px;
  color: var(--fg-muted);
}

.feed-time {
  font-size: 11px;
  color: var(--fg-subtle);
  white-space: nowrap;
}

/* ===================================
   SECTION SHARED
   =================================== */
.section-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 24px;
}

.section-label {
  font-family: var(--font-display);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 16px;
}

.section-headline {
  font-family: var(--font-display);
  font-size: clamp(32px, 4vw, 48px);
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.1;
  color: var(--fg);
  margin-bottom: 16px;
}

.section-sub {
  font-size: 17px;
  color: var(--fg-muted);
  max-width: 560px;
  margin-bottom: 56px;
  line-height: 1.65;
}

/* ===================================
   HOW IT WORKS
   =================================== */
.how-it-works {
  padding: 96px 0;
  background: #0f0f12;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.steps {
  display: grid;
  grid-template-columns: 1fr auto 1fr auto 1fr;
  align-items: start;
  gap: 0;
}

.step {
  padding: 0 32px 0 0;
}

.step-num {
  font-family: var(--font-display);
  font-size: 48px;
  font-weight: 800;
  color: var(--border);
  letter-spacing: -0.04em;
  line-height: 1;
  margin-bottom: 16px;
  transition: color 0.3s;
}

.step:hover .step-num {
  color: var(--accent);
}

.step h3 {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 700;
  color: var(--fg);
  margin-bottom: 8px;
}

.step p {
  font-size: 14px;
  color: var(--fg-muted);
  line-height: 1.6;
}

.step-connector {
  padding-top: 40px;
  opacity: 0.4;
}

/* ===================================
   FEATURES
   =================================== */
.features {
  padding: 96px 0;
  background: var(--bg);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: 16px;
  overflow: hidden;
}

.feature-card {
  background: var(--bg);
  padding: 36px 32px;
  transition: background 0.2s;
}

.feature-card:hover {
  background: var(--bg-surface);
}

.feature-icon {
  width: 48px;
  height: 48px;
  background: var(--accent-dim);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
}

.feature-card h3 {
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 700;
  color: var(--fg);
  margin-bottom: 10px;
}

.feature-card p {
  font-size: 14px;
  color: var(--fg-muted);
  line-height: 1.65;
}

/* ===================================
   PRICING
   =================================== */
.pricing {
  padding: 96px 0;
  background: #0f0f12;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.pricing-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 36px 32px;
  position: relative;
  transition: border-color 0.2s;
}

.pricing-card:hover {
  border-color: #3a3a3a;
}

.pricing-card.featured {
  border-color: var(--accent);
  box-shadow: 0 0 0 1px rgba(212, 255, 0, 0.08);
}

.pricing-badge {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--accent);
  color: #0d0d0f;
  font-family: var(--font-display);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  padding: 4px 14px;
  border-radius: 20px;
}

.pricing-tier {
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 700;
  color: var(--fg-muted);
  letter-spacing: 0.05em;
  text-transform: uppercase;
  margin-bottom: 12px;
}

.pricing-price {
  font-family: var(--font-display);
  font-size: 48px;
  font-weight: 800;
  color: var(--fg);
  letter-spacing: -0.04em;
  line-height: 1;
  margin-bottom: 8px;
}

.pricing-price span {
  font-size: 20px;
  font-weight: 600;
  color: var(--fg-muted);
}

.pricing-desc {
  font-size: 14px;
  color: var(--fg-muted);
  line-height: 1.5;
  margin-bottom: 28px;
}

.pricing-features {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 32px;
}

.pricing-features li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  color: var(--fg);
}

.pricing-features li svg {
  flex-shrink: 0;
}

.pricing-features li .no {
  color: var(--fg-muted);
}

.pricing-cta {
  display: block;
  text-align: center;
  padding: 12px 24px;
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--fg);
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 14px;
  text-decoration: none;
  transition: all 0.2s;
}

.pricing-cta:hover {
  border-color: var(--fg-muted);
  background: var(--bg-card);
}

.pricing-cta.btn-featured {
  background: var(--accent);
  color: #0d0d0f;
  border-color: var(--accent);
}

.pricing-cta.btn-featured:hover {
  background: #e0ff33;
  border-color: #e0ff33;
}

/* ===================================
   TESTIMONIALS
   =================================== */
.testimonials {
  padding: 96px 0;
  background: var(--bg);
}

.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.testimonial-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 32px;
}

.testimonial-quote {
  font-size: 15px;
  color: var(--fg-muted);
  line-height: 1.7;
  margin-bottom: 24px;
  font-style: italic;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: 14px;
}

.author-avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--accent-dim);
  border: 1px solid var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-size: 13px;
  font-weight: 700;
  color: var(--accent);
  flex-shrink: 0;
}

.author-name {
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 700;
  color: var(--fg);
}

.author-meta {
  font-size: 12px;
  color: var(--fg-muted);
  margin-top: 2px;
}

/* ===================================
   CLOSING
   =================================== */
.closing {
  padding: 120px 0;
  background: #0f0f12;
  border-top: 1px solid var(--border);
}

.closing-inner {
  text-align: center;
}

.closing-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--accent-dim);
  border: 1px solid rgba(212, 255, 0, 0.2);
  border-radius: 40px;
  padding: 8px 20px;
  font-size: 13px;
  font-weight: 600;
  color: var(--accent);
  margin-bottom: 32px;
}

.closing-headline {
  font-family: var(--font-display);
  font-size: clamp(36px, 5vw, 60px);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.1;
  color: var(--fg);
  margin-bottom: 20px;
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
}

.closing-sub {
  font-size: 18px;
  color: var(--fg-muted);
  max-width: 520px;
  margin: 0 auto 56px;
  line-height: 1.65;
}

.closing-stat {
  display: inline-block;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 24px 40px;
}

.closing-stat-val {
  font-family: var(--font-display);
  font-size: 48px;
  font-weight: 800;
  color: var(--accent);
  letter-spacing: -0.04em;
  display: block;
}

.closing-stat-label {
  font-size: 14px;
  color: var(--fg-muted);
  margin-top: 4px;
}

/* ===================================
   FOOTER
   =================================== */
.footer {
  background: var(--bg);
  border-top: 1px solid var(--border);
  padding: 40px 0;
}

.footer-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 24px;
}

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

.footer-brand-name {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 16px;
  color: var(--fg);
}

.footer-links {
  display: flex;
  gap: 24px;
}

.footer-links a {
  color: var(--fg-muted);
  text-decoration: none;
  font-size: 13px;
  transition: color 0.2s;
}

.footer-links a:hover {
  color: var(--fg);
}

.footer-copy {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 4px;
  font-size: 12px;
  color: var(--fg-muted);
}

.footer-tag {
  font-size: 11px;
  color: var(--fg-subtle);
}

/* ===================================
   RESPONSIVE
   =================================== */
@media (max-width: 768px) {
  .hero-inner {
    grid-template-columns: 1fr;
    gap: 48px;
  }

  .hero-dashboard {
    order: -1;
  }

  .hero-headline {
    font-size: 36px;
  }

  .steps {
    grid-template-columns: 1fr;
  }

  .step-connector {
    display: none;
  }

  .features-grid,
  .testimonials-grid {
    grid-template-columns: 1fr;
  }

  .pricing-grid {
    grid-template-columns: 1fr;
  }

  .nav-links {
    display: none;
  }

  .footer-inner {
    flex-direction: column;
    align-items: flex-start;
  }

  .footer-copy {
    align-items: flex-start;
  }

  .dash-stats {
    grid-template-columns: repeat(3, 1fr);
  }

  .closing-headline {
    font-size: 32px;
  }
}

@media (max-width: 480px) {
  .hero {
    padding: 120px 16px 60px;
  }

  .section-inner {
    padding: 0 16px;
  }

  .pricing-card {
    padding: 28px 20px;
  }
}