/* ===========================
   BASE RESET & TOKENS
   =========================== */
:root {
  --bg: #FAFAF9;
  --bg-alt: #F0EFEB;
  --fg: #0A0A0A;
  --fg-secondary: #6B6B6B;
  --fg-muted: #9A9A9A;
  --accent: #CCFF00;
  --accent-dark: #B8E600;
  --border: #E0DFDA;
  --font-display: 'Space Grotesk', sans-serif;
  --font-body: 'DM Sans', sans-serif;
  --max-w: 1100px;
  --pad-x: 48px;
}

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

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

/* ===========================
   NAV
   =========================== */
.nav {
  padding: 20px var(--pad-x);
  border-bottom: 1px solid var(--border);
}
.nav-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 16px;
}
.nav-logo {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 700;
  letter-spacing: -0.03em;
  color: var(--fg);
}
.nav-tag {
  font-size: 12px;
  font-weight: 500;
  color: var(--fg-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 3px 10px;
  background: var(--bg-alt);
  border-radius: 100px;
}

/* ===========================
   HERO
   =========================== */
.hero {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 80px var(--pad-x) 72px;
}
.hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}
.hero-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 500;
  color: var(--fg-secondary);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 28px;
}
.hero-label-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--accent);
  display: inline-block;
}
.hero-headline {
  font-family: var(--font-display);
  font-size: clamp(36px, 5vw, 56px);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.04em;
  color: var(--fg);
  margin-bottom: 20px;
}
.hero-lede {
  font-size: 18px;
  color: var(--fg-secondary);
  line-height: 1.65;
  margin-bottom: 36px;
  max-width: 420px;
}
.hero-meta {
  display: flex;
  align-items: center;
  gap: 20px;
}
.hero-meta-item {
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.hero-meta-value {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--fg);
}
.hero-meta-label {
  font-size: 12px;
  color: var(--fg-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.hero-meta-divider {
  width: 1px;
  height: 32px;
  background: var(--border);
}

/* ===========================
   FLOW DIAGRAM (Hero Visual)
   =========================== */
.flow-diagram {
  background: var(--fg);
  border-radius: 16px;
  padding: 32px;
  display: flex;
  flex-direction: column;
  gap: 0;
}
.flow-node {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 16px;
  border-radius: 10px;
  border: 1px solid rgba(255,255,255,0.08);
}
.flow-node--input { background: rgba(204,255,0,0.08); border-color: rgba(204,255,0,0.2); }
.flow-node--ai { background: rgba(255,255,255,0.04); }
.flow-node--output { background: rgba(204,255,0,0.08); border-color: rgba(204,255,0,0.2); }
.flow-node-icon {
  color: var(--accent);
  flex-shrink: 0;
  margin-top: 2px;
}
.flow-node-text {
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 600;
  color: #fff;
  margin-bottom: 2px;
}
.flow-node-sub {
  font-size: 12px;
  color: rgba(255,255,255,0.45);
}
.flow-arrow {
  display: flex;
  justify-content: center;
  padding: 6px 0;
  color: var(--fg-muted);
}
.hero-visual-label {
  font-size: 11px;
  color: rgba(255,255,255,0.35);
  text-align: center;
  margin-top: 16px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

/* ===========================
   SECTION SHARED
   =========================== */
.section-title {
  font-family: var(--font-display);
  font-size: clamp(28px, 3.5vw, 40px);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.15;
  color: var(--fg);
  margin-bottom: 12px;
}
.section-sub {
  font-size: 17px;
  color: var(--fg-secondary);
  line-height: 1.65;
  max-width: 520px;
}

/* ===========================
   PROOF
   =========================== */
.proof {
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 56px var(--pad-x);
}
.proof-grid {
  max-width: var(--max-w);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr auto 1fr auto 1fr;
  gap: 40px;
  align-items: center;
}
.proof-number {
  font-family: var(--font-display);
  font-size: clamp(40px, 5vw, 60px);
  font-weight: 700;
  letter-spacing: -0.04em;
  color: var(--fg);
  line-height: 1;
  margin-bottom: 8px;
}
.proof-label {
  font-size: 14px;
  color: var(--fg-secondary);
  line-height: 1.55;
  max-width: 220px;
}
.proof-divider {
  width: 1px;
  height: 60px;
  background: var(--border);
}

/* ===========================
   PROCESS
   =========================== */
.process {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 80px var(--pad-x);
}
.process-header { margin-bottom: 56px; }
.process-steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
  position: relative;
}
.process-step-number {
  font-family: var(--font-display);
  font-size: 48px;
  font-weight: 700;
  letter-spacing: -0.05em;
  color: var(--accent);
  line-height: 1;
  margin-bottom: 16px;
}
.process-step-title {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 600;
  color: var(--fg);
  margin-bottom: 10px;
}
.process-step-desc {
  font-size: 15px;
  color: var(--fg-secondary);
  line-height: 1.6;
}

/* ===========================
   FEATURES
   =========================== */
.features {
  background: var(--fg);
  color: #fff;
  padding: 80px var(--pad-x);
}
.features .section-title { color: #fff; }
.features .section-sub { color: rgba(255,255,255,0.55); }
.features-header { margin-bottom: 56px; }
.features-case-study-link {
  display: inline-block;
  margin-top: 16px;
  font-size: 14px;
  font-weight: 600;
  color: var(--accent);
  text-decoration: none;
  font-family: var(--font-display);
  transition: opacity 0.2s;
}
.features-case-study-link:hover { opacity: 0.75; }
.features-grid {
  max-width: var(--max-w);
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}
.feature-card {
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 16px;
  padding: 32px;
  transition: border-color 0.2s;
}
.feature-card:hover { border-color: rgba(204,255,0,0.3); }
.feature-icon {
  width: 48px;
  height: 48px;
  background: rgba(204,255,0,0.1);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
  margin-bottom: 20px;
}
.feature-title {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 600;
  color: #fff;
  margin-bottom: 10px;
}
.feature-desc {
  font-size: 15px;
  color: rgba(255,255,255,0.55);
  line-height: 1.65;
  margin-bottom: 16px;
}
.feature-tag {
  font-size: 12px;
  color: var(--accent);
  background: rgba(204,255,0,0.08);
  border: 1px solid rgba(204,255,0,0.2);
  display: inline-block;
  padding: 4px 10px;
  border-radius: 100px;
  font-weight: 500;
}

/* ===========================
   PRICING
   =========================== */
.pricing {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 80px var(--pad-x);
}
.pricing-header { margin-bottom: 56px; }
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.pricing-card {
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 32px;
  position: relative;
  background: var(--bg);
}
.pricing-card--featured {
  border-color: var(--fg);
  background: var(--fg);
  color: #fff;
}
.pricing-card--featured .pricing-card-label { color: var(--accent); }
.pricing-card--featured .pricing-card-desc { color: rgba(255,255,255,0.6); }
.pricing-card--featured .pricing-card-features li { color: rgba(255,255,255,0.8); }
.pricing-card-badge {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--accent);
  color: var(--fg);
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding: 4px 12px;
  border-radius: 100px;
}
.pricing-card-label {
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--fg-muted);
  margin-bottom: 12px;
}
.pricing-card-price {
  font-family: var(--font-display);
  font-size: 32px;
  font-weight: 700;
  letter-spacing: -0.03em;
  color: var(--fg);
  margin-bottom: 12px;
}
.pricing-card-price .pricing-card-period {
  font-size: 16px;
  font-weight: 400;
  color: var(--fg-secondary);
}
.pricing-card--featured .pricing-card-price { color: #fff; }
.pricing-card--featured .pricing-card-price .pricing-card-period { color: rgba(255,255,255,0.5); }
.pricing-card-desc {
  font-size: 14px;
  color: var(--fg-secondary);
  line-height: 1.6;
  margin-bottom: 24px;
}
.pricing-card-features {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.pricing-card-features li {
  font-size: 14px;
  color: var(--fg-secondary);
  display: flex;
  align-items: flex-start;
  gap: 10px;
}
.pricing-card-features li::before {
  content: '';
  width: 16px;
  height: 16px;
  background: var(--accent);
  border-radius: 50%;
  flex-shrink: 0;
  margin-top: 2px;
  display: inline-block;
}
.pricing-card--featured .pricing-card-features li::before {
  background: rgba(204,255,0,0.3);
}

/* ===========================
   CLOSING
   =========================== */
.closing {
  background: var(--bg-alt);
  padding: 80px var(--pad-x);
}
.closing-inner {
  max-width: 700px;
  margin: 0 auto;
  text-align: center;
}
.closing-headline {
  font-family: var(--font-display);
  font-size: clamp(28px, 4vw, 44px);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.2;
  color: var(--fg);
  margin-bottom: 20px;
}
.closing-body {
  font-size: 17px;
  color: var(--fg-secondary);
  line-height: 1.7;
  margin-bottom: 40px;
}
.closing-cta-label {
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 600;
  color: var(--fg);
  margin-bottom: 6px;
}
.closing-cta-sub {
  font-size: 14px;
  color: var(--fg-muted);
}

/* ===========================
   FOOTER
   =========================== */
.footer {
  border-top: 1px solid var(--border);
  padding: 32px var(--pad-x);
}
.footer-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.footer-logo {
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 700;
  color: var(--fg);
}
.footer-tagline {
  font-size: 13px;
  color: var(--fg-muted);
  margin-left: 12px;
}
.footer-links {
  font-size: 13px;
  color: var(--fg-muted);
}

/* ===========================
   RESPONSIVE
   =========================== */
@media (max-width: 768px) {
  :root { --pad-x: 24px; }
  .hero-grid { grid-template-columns: 1fr; gap: 40px; }
  .hero-visual { order: -1; }
  .proof-grid { grid-template-columns: 1fr; gap: 32px; }
  .proof-divider { display: none; }
  .process-steps { grid-template-columns: 1fr; gap: 40px; }
  .features-grid { grid-template-columns: 1fr; }
  .pricing-grid { grid-template-columns: 1fr; }
  .footer-inner { flex-direction: column; gap: 12px; text-align: center; }
  .hero-meta { flex-wrap: wrap; }
}