/* FeederLens — Grid Intelligence */

:root {
  --bg: #141415;
  --bg-surface: #1a1a1b;
  --bg-elevated: #212122;
  --accent: #2AA6A0;
  --accent-dim: rgba(42, 166, 160, 0.15);
  --accent-faint: rgba(42, 166, 160, 0.06);
  --text: #FAF8F2;
  --text-secondary: #9ca3af;
  --text-muted: #6b7280;
  --border: rgba(42, 166, 160, 0.12);
  --font-display: 'Space Grotesk', system-ui, sans-serif;
  --font-body: 'IBM Plex Sans', system-ui, sans-serif;
  --font-mono: 'IBM Plex Mono', monospace;
}

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

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
}

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

a { color: var(--accent); text-decoration: none; }

/* ── Nav ── */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(20, 20, 21, 0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
}

.nav-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 32px;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--text);
}

.nav-mark { width: 28px; height: 28px; }

.nav-wordmark {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.125rem;
  letter-spacing: -0.02em;
}

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

.nav-links a {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-secondary);
  transition: color 0.2s;
}

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

.nav-cta {
  background: var(--accent) !important;
  color: var(--bg) !important;
  padding: 8px 20px;
  border-radius: 8px;
  font-weight: 600 !important;
  transition: opacity 0.2s !important;
}

.nav-cta:hover { opacity: 0.9; }

/* ── Buttons ── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 14px 32px;
  border-radius: 10px;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1rem;
  transition: all 0.2s;
  cursor: pointer;
  border: none;
}

.btn-primary {
  background: var(--accent);
  color: var(--bg);
}

.btn-primary:hover {
  opacity: 0.9;
  transform: translateY(-1px);
}

.btn-ghost {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--border);
}

.btn-ghost:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.btn-lg {
  padding: 18px 48px;
  font-size: 1.125rem;
  border-radius: 12px;
}

/* ── Hero ── */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 120px 32px 80px;
  overflow: hidden;
}

.hero-grid-bg {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(42, 166, 160, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(42, 166, 160, 0.04) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse 70% 60% at 50% 50%, black, transparent);
  -webkit-mask-image: radial-gradient(ellipse 70% 60% at 50% 50%, black, transparent);
}

.hero-glow {
  position: absolute;
  top: 30%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 800px;
  height: 800px;
  background: radial-gradient(circle, var(--accent-dim), transparent 70%);
  pointer-events: none;
}

.hero-content {
  position: relative;
  max-width: 1200px;
  width: 100%;
  display: flex;
  align-items: center;
  gap: 80px;
}

.hero-mark-wrap {
  flex-shrink: 0;
  width: 340px;
  height: 340px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg);
  border: 2px solid var(--border);
  border-radius: 48px;
  padding: 40px;
  box-shadow:
    0 0 80px rgba(42, 166, 160, 0.08),
    0 20px 60px rgba(0, 0, 0, 0.4);
}

.hero-mark { width: 100%; height: 100%; }

.hero-text { flex: 1; }

.hero-headline {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.03em;
  margin-bottom: 24px;
}

.hero-sub {
  font-size: 1.125rem;
  color: var(--text-secondary);
  line-height: 1.7;
  max-width: 520px;
  margin-bottom: 36px;
}

.hero-actions {
  display: flex;
  gap: 16px;
  margin-bottom: 48px;
}

.hero-proof {
  display: flex;
  align-items: center;
  gap: 24px;
}

.proof-item { display: flex; flex-direction: column; }

.proof-value {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.25rem;
  color: var(--accent);
}

.proof-label {
  font-size: 0.75rem;
  color: var(--text-muted);
  font-family: var(--font-mono);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-top: 2px;
}

.proof-divider {
  width: 1px;
  height: 36px;
  background: var(--border);
}

/* ── Sections ── */
.section {
  padding: 120px 32px;
  position: relative;
}

.section-inner {
  max-width: 1060px;
  margin: 0 auto;
}

.section-eyebrow {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: var(--accent);
  margin-bottom: 16px;
}

.section-headline {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin-bottom: 20px;
}

.section-desc {
  font-size: 1.125rem;
  color: var(--text-secondary);
  max-width: 600px;
  line-height: 1.7;
}

/* ── Problem ── */
.problem {
  border-top: 1px solid var(--border);
}

.stat-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin: 56px 0 48px;
}

.stat-card {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 40px 32px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.stat-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--accent);
  opacity: 0.6;
}

.stat-card--warn::before { background: #EAB308; }
.stat-card--alert::before { background: #EF4444; }

.stat-pct {
  display: block;
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 5vw, 3.5rem);
  font-weight: 700;
  color: var(--text);
  line-height: 1;
  margin-bottom: 12px;
}

.stat-card--warn .stat-pct { color: #EAB308; }
.stat-card--alert .stat-pct { color: #EF4444; }

.stat-label {
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.5;
}

.problem-kicker {
  font-family: var(--font-display);
  font-size: 1.125rem;
  font-weight: 500;
  color: var(--text);
  text-align: center;
  line-height: 1.7;
  padding: 32px;
  background: var(--accent-faint);
  border: 1px solid var(--border);
  border-radius: 16px;
}

/* ── Solution / Pipeline ── */
.solution {
  border-top: 1px solid var(--border);
}

.pipeline {
  display: flex;
  align-items: flex-start;
  justify-content: center;
  gap: 8px;
  margin-top: 56px;
  flex-wrap: wrap;
}

.pipe-step {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  width: 140px;
}

.pipe-icon {
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 16px;
  background: var(--bg-surface);
  border: 1px solid var(--border);
  color: var(--text-secondary);
  margin-bottom: 12px;
  transition: all 0.3s;
}

.pipe-icon svg { width: 24px; height: 24px; }

.pipe-icon--active {
  background: var(--accent-dim);
  border-color: var(--accent);
  color: var(--accent);
  box-shadow: 0 0 24px rgba(42, 166, 160, 0.15);
}

.pipe-label {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.875rem;
  margin-bottom: 4px;
}

.pipe-detail {
  font-size: 0.75rem;
  color: var(--text-muted);
}

.pipe-arrow {
  width: 24px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
  opacity: 0.4;
  flex-shrink: 0;
}

.pipe-arrow svg { width: 20px; height: 20px; }

/* ── Modules ── */
.modules {
  border-top: 1px solid var(--border);
}

.module-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
  margin-top: 56px;
}

.module-card {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 36px;
  position: relative;
  transition: border-color 0.3s;
}

.module-card:hover { border-color: rgba(42, 166, 160, 0.3); }

.module-card--future {
  opacity: 0.7;
  border-style: dashed;
}

.module-num {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--accent);
  opacity: 0.6;
  margin-bottom: 12px;
}

.module-title {
  font-family: var(--font-display);
  font-size: 1.375rem;
  font-weight: 700;
  margin-bottom: 12px;
}

.module-badge {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.625rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--accent);
  background: var(--accent-dim);
  padding: 4px 10px;
  border-radius: 6px;
  margin-bottom: 12px;
}

.module-desc {
  font-size: 0.9375rem;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 20px;
}

.module-specs {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.module-specs li {
  font-size: 0.8125rem;
  color: var(--text-muted);
  padding-left: 16px;
  position: relative;
}

.module-specs li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 8px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
  opacity: 0.5;
}

/* ── Use Cases ── */
.use-cases {
  border-top: 1px solid var(--border);
}

.usecase-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-top: 56px;
}

.usecase-card {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 32px;
  transition: border-color 0.3s;
}

.usecase-card:hover { border-color: rgba(42, 166, 160, 0.3); }

.usecase-icon {
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 12px;
  background: var(--accent-dim);
  color: var(--accent);
  margin-bottom: 16px;
}

.usecase-icon svg { width: 22px; height: 22px; }

.usecase-title {
  font-family: var(--font-display);
  font-size: 1.125rem;
  font-weight: 700;
  margin-bottom: 10px;
}

.usecase-problem {
  font-size: 0.875rem;
  color: var(--text-muted);
  line-height: 1.6;
  margin-bottom: 12px;
}

.usecase-outcome {
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

.usecase-outcome strong {
  color: var(--accent);
  font-weight: 600;
}

@media (max-width: 900px) {
  .usecase-grid { grid-template-columns: 1fr; max-width: 480px; margin-left: auto; margin-right: auto; }
}

/* ── Why Now ── */
.why-now {
  border-top: 1px solid var(--border);
}

.why-grid {
  display: flex;
  flex-direction: column;
  gap: 0;
  margin-top: 48px;
}

.why-item {
  display: flex;
  align-items: flex-start;
  gap: 20px;
  padding: 24px 0;
  border-bottom: 1px solid rgba(42, 166, 160, 0.06);
}

.why-item:last-child { border-bottom: none; }

.why-marker {
  flex-shrink: 0;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--accent);
  margin-top: 6px;
  box-shadow: 0 0 12px rgba(42, 166, 160, 0.3);
}

.why-item strong {
  font-family: var(--font-display);
  font-size: 1.0625rem;
  font-weight: 600;
  display: block;
  margin-bottom: 4px;
}

.why-item p {
  font-size: 0.9375rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* ── Competitive ── */
.competitive {
  border-top: 1px solid var(--border);
}

.comp-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
  margin-top: 48px;
}

.comp-card {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 28px;
}

.comp-vs {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--accent);
  display: block;
  margin-bottom: 10px;
}

.comp-card p {
  font-size: 0.9375rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

.comp-card em {
  color: var(--text);
  font-style: normal;
  font-weight: 600;
}

/* ── CTA ── */
.cta-section {
  border-top: 1px solid var(--border);
  background:
    radial-gradient(ellipse 60% 50% at 50% 80%, var(--accent-dim), transparent);
}

.cta-inner {
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.cta-headline {
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 3.5vw, 2.5rem);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.02em;
  margin-bottom: 20px;
}

.cta-desc {
  font-size: 1.0625rem;
  color: var(--text-secondary);
  max-width: 540px;
  line-height: 1.7;
  margin-bottom: 36px;
}

.cta-email {
  display: block;
  margin-top: 16px;
  font-family: var(--font-mono);
  font-size: 0.875rem;
  color: var(--text-muted);
}

/* ── Footer ── */
.footer {
  border-top: 1px solid var(--border);
  padding: 32px;
}

.footer-inner {
  max-width: 1060px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.9375rem;
  color: var(--text);
}

.footer-mark { width: 24px; height: 24px; }

.footer-legal {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.8125rem;
  color: var(--text-muted);
}

.footer-sep { opacity: 0.4; }

/* ── Responsive ── */
@media (max-width: 900px) {
  .hero-content {
    flex-direction: column;
    text-align: center;
    gap: 48px;
  }

  .hero-mark-wrap {
    width: 240px;
    height: 240px;
    padding: 28px;
  }

  .hero-sub { margin-left: auto; margin-right: auto; }

  .hero-actions { justify-content: center; }

  .hero-proof { justify-content: center; }

  .stat-row { grid-template-columns: 1fr; max-width: 400px; margin-left: auto; margin-right: auto; }

  .pipeline { flex-direction: column; align-items: center; }

  .pipe-arrow {
    transform: rotate(90deg);
    height: 24px;
    width: 56px;
  }

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

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

  .footer-inner { flex-direction: column; gap: 16px; text-align: center; }
}

@media (max-width: 600px) {
  .nav-links a:not(.nav-cta) { display: none; }

  .section { padding: 80px 20px; }

  .hero { padding: 100px 20px 60px; }

  .hero-actions { flex-direction: column; }

  .hero-proof { flex-direction: column; gap: 16px; }

  .proof-divider { width: 36px; height: 1px; }
}

/* ── Entrance animations ── */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

.hero-content { animation: fadeUp 0.8s ease-out; }

.reveal-target {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal-target.revealed {
  opacity: 1;
  transform: translateY(0);
}