:root {
  --forest: #1B4332;
  --forest-light: #2D6A4F;
  --sand: #F5F0EB;
  --sand-dark: #EDE8E2;
  --orange: #D4622A;
  --charcoal: #1A1A1A;
  --text: #2C2C2C;
  --text-muted: #6B6B6B;
  --border: #D8D3CC;
  --white: #FFFFFF;
  --radius: 8px;
  --radius-lg: 16px;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: 'Work Sans', sans-serif;
  background: var(--white);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3 {
  font-family: 'Syne', sans-serif;
  font-weight: 700;
  line-height: 1.15;
  color: var(--charcoal);
}

.section-label {
  font-family: 'Syne', sans-serif;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--orange);
  margin-bottom: 12px;
}

/* NAV */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(255,255,255,0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}
.nav-inner {
  max-width: 1100px;
  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;
  text-decoration: none;
  font-family: 'Syne', sans-serif;
  font-weight: 700;
  font-size: 18px;
  color: var(--charcoal);
}
.nav-links {
  display: flex;
  gap: 32px;
}
.nav-links a {
  text-decoration: none;
  font-size: 14px;
  font-weight: 500;
  color: var(--text-muted);
  transition: color 0.15s;
}
.nav-links a:hover { color: var(--charcoal); }

/* HERO */
.hero {
  padding: 140px 32px 100px;
  background: var(--white);
}
.hero-inner {
  max-width: 1100px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}
.hero-label {
  font-family: 'Syne', sans-serif;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--orange);
  margin-bottom: 16px;
}
.hero-content h1 {
  font-size: clamp(36px, 5vw, 52px);
  margin-bottom: 24px;
  color: var(--forest);
}
.hero-sub {
  font-size: 17px;
  color: var(--text-muted);
  line-height: 1.7;
  margin-bottom: 40px;
  max-width: 480px;
}
.hero-proof {
  display: flex;
  align-items: center;
  gap: 24px;
}
.proof-stat {
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.stat-num {
  font-family: 'Syne', sans-serif;
  font-size: 20px;
  font-weight: 800;
  color: var(--forest);
}
.stat-label {
  font-size: 12px;
  color: var(--text-muted);
  max-width: 120px;
  line-height: 1.4;
}
.proof-divider {
  width: 1px;
  height: 40px;
  background: var(--border);
}

/* Manual Preview */
.hero-visual {
  display: flex;
  justify-content: center;
}
.manual-preview {
  width: 100%;
  max-width: 400px;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: 0 24px 64px rgba(0,0,0,0.10), 0 4px 16px rgba(0,0,0,0.06);
  background: var(--sand);
}
.manual-header {
  background: var(--forest);
  padding: 10px 16px;
  display: flex;
  align-items: center;
  gap: 12px;
}
.manual-dots {
  display: flex;
  gap: 5px;
}
.manual-dots span {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: rgba(255,255,255,0.3);
}
.manual-title-bar {
  font-size: 11px;
  color: rgba(255,255,255,0.7);
  font-family: 'Work Sans', sans-serif;
}
.manual-body {
  display: grid;
  grid-template-columns: 130px 1fr;
  min-height: 320px;
}
.manual-toc {
  background: var(--sand-dark);
  padding: 16px 12px;
  border-right: 1px solid var(--border);
}
.toc-label {
  font-family: 'Syne', sans-serif;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 8px;
}
.toc-item {
  font-size: 10px;
  padding: 5px 8px;
  border-radius: 4px;
  color: var(--text-muted);
  margin-bottom: 2px;
}
.toc-item.toc-active {
  background: var(--forest);
  color: white;
}
.manual-page {
  padding: 16px;
}
.page-title {
  font-family: 'Syne', sans-serif;
  font-size: 13px;
  font-weight: 700;
  color: var(--forest);
  margin-bottom: 12px;
}
.page-step {
  display: flex;
  gap: 10px;
  margin-bottom: 10px;
}
.step-num {
  font-family: 'Syne', sans-serif;
  font-size: 10px;
  font-weight: 800;
  color: var(--orange);
  padding-top: 2px;
  flex-shrink: 0;
}
.step-content strong {
  font-size: 11px;
  font-weight: 600;
  color: var(--charcoal);
  display: block;
  margin-bottom: 2px;
}
.step-content p {
  font-size: 10px;
  color: var(--text-muted);
  line-height: 1.5;
}
.page-badge {
  font-size: 9px;
  color: var(--forest);
  background: rgba(27,67,50,0.08);
  padding: 4px 8px;
  border-radius: 20px;
  display: inline-block;
  margin-top: 8px;
}

/* PROBLEM */
.problem {
  background: var(--sand);
  padding: 100px 32px;
}
.problem-inner {
  max-width: 1100px;
  margin: 0 auto;
}
.problem-inner h2 {
  font-size: clamp(28px, 4vw, 38px);
  margin-bottom: 56px;
}
.problem-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}
.problem-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 32px;
  border: 1px solid var(--border);
}
.problem-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius);
  background: var(--forest);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  margin-bottom: 20px;
}
.problem-card h3 {
  font-size: 17px;
  margin-bottom: 12px;
}
.problem-card p {
  font-size: 15px;
  color: var(--text-muted);
  line-height: 1.65;
}

/* PROCESS */
.process {
  padding: 100px 32px;
}
.process-inner {
  max-width: 1100px;
  margin: 0 auto;
}
.process-inner h2 {
  font-size: clamp(28px, 4vw, 38px);
  margin-bottom: 64px;
  max-width: 600px;
}
.process-steps {
  display: flex;
  flex-direction: column;
  gap: 0;
}
.process-step {
  display: grid;
  grid-template-columns: 80px 1fr;
  gap: 24px;
  padding: 40px 0;
  border-bottom: 1px solid var(--border);
}
.process-step:last-child { border-bottom: none; }
.step-marker {
  display: flex;
  flex-direction: column;
  align-items: center;
}
.step-marker .step-num {
  font-family: 'Syne', sans-serif;
  font-size: 14px;
  font-weight: 800;
  color: var(--forest);
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--sand);
  border: 2px solid var(--forest);
  display: flex;
  align-items: center;
  justify-content: center;
}
.step-body h3 {
  font-size: 20px;
  margin-bottom: 12px;
}
.step-body p {
  font-size: 15px;
  color: var(--text-muted);
  line-height: 1.7;
  max-width: 560px;
}

/* FEATURES */
.features {
  background: var(--sand);
  padding: 100px 32px;
}
.features-inner {
  max-width: 1100px;
  margin: 0 auto;
}
.features-inner > .section-label {
  margin-bottom: 16px;
}
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.feature-card {
  background: var(--white);
  border-radius: var(--radius);
  padding: 28px;
  border: 1px solid var(--border);
  transition: transform 0.2s, box-shadow 0.2s;
}
.feature-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0,0,0,0.06);
}
.feature-icon {
  width: 40px;
  height: 40px;
  border-radius: var(--radius);
  background: var(--forest);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  margin-bottom: 16px;
}
.feature-card h3 {
  font-size: 15px;
  margin-bottom: 8px;
}
.feature-card p {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.65;
}

/* OUTCOMES */
.outcomes {
  padding: 100px 32px;
  background: var(--forest);
}
.outcomes-inner {
  max-width: 1100px;
  margin: 0 auto;
}
.outcomes-split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}
.outcomes-left .section-label { color: rgba(255,255,255,0.5); }
.outcomes-left h2 {
  font-size: clamp(28px, 3.5vw, 40px);
  color: var(--white);
  margin-bottom: 24px;
}
.outcomes-left p {
  font-size: 16px;
  color: rgba(255,255,255,0.7);
  line-height: 1.75;
  margin-bottom: 16px;
}
.outcomes-right {
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.outcome-card {
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: var(--radius);
  padding: 20px 24px;
}
.outcome-stat {
  font-family: 'Syne', sans-serif;
  font-size: 28px;
  font-weight: 800;
  color: var(--white);
  margin-bottom: 4px;
}
.outcome-stat span {
  font-size: 14px;
  font-weight: 400;
  color: rgba(255,255,255,0.6);
}
.outcome-desc {
  font-size: 14px;
  color: rgba(255,255,255,0.6);
  line-height: 1.5;
}

/* CLOSING */
.closing {
  padding: 100px 32px;
  background: var(--white);
  text-align: center;
}
.closing-inner {
  max-width: 680px;
  margin: 0 auto;
}
.closing-inner h2 {
  font-size: clamp(28px, 4vw, 44px);
  color: var(--forest);
  margin-bottom: 24px;
}
.closing-inner p {
  font-size: 18px;
  color: var(--text-muted);
  line-height: 1.75;
}

/* FOOTER */
footer {
  padding: 48px 32px;
  border-top: 1px solid var(--border);
}
.footer-inner {
  max-width: 1100px;
  margin: 0 auto;
  text-align: center;
}
.footer-logo {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-family: 'Syne', sans-serif;
  font-weight: 700;
  font-size: 16px;
  color: var(--charcoal);
  margin-bottom: 12px;
}
.footer-tagline {
  font-size: 14px;
  color: var(--text-muted);
  margin-bottom: 6px;
}
.footer-copy {
  font-size: 13px;
  color: var(--text-muted);
  opacity: 0.7;
}

/* RESPONSIVE */
@media (max-width: 768px) {
  .hero { padding: 100px 20px 64px; }
  .hero-inner { grid-template-columns: 1fr; gap: 48px; }
  .hero-visual { display: none; }
  .problem-grid { grid-template-columns: 1fr; }
  .features-grid { grid-template-columns: 1fr; }
  .process-step { grid-template-columns: 1fr; }
  .step-marker { flex-direction: row; gap: 12px; }
  .outcomes-split { grid-template-columns: 1fr; }
  .nav-links { display: none; }
}