:root {
  --bg: #0a0a0b;
  --bg-card: #141416;
  --text: #f4f4f5;
  --text-muted: #a1a1aa;
  --accent: #22c55e;
  --accent-hover: #16a34a;
  --border: #27272a;
  --gradient-start: #22c55e;
  --gradient-end: #0ea5e9;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Outfit', sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  overflow-x: hidden;
}

.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* Header */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: 1rem 0;
  background: rgba(10, 10, 11, 0.9);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

.header .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text);
  text-decoration: none;
}

.logo-accent {
  color: var(--accent);
  font-size: 0.9em;
}

.nav {
  display: flex;
  align-items: center;
  gap: 2rem;
}

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

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

/* Buttons */
.btn {
  display: inline-block;
  padding: 0.75rem 1.5rem;
  font-family: inherit;
  font-size: 1rem;
  font-weight: 600;
  text-decoration: none;
  border-radius: 8px;
  transition: all 0.2s;
  cursor: pointer;
  border: 2px solid transparent;
}

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

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

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

.btn-primary:hover {
  background: var(--accent-hover);
  transform: translateY(-2px);
}

.btn-lg {
  padding: 1rem 2rem;
  font-size: 1.125rem;
}

/* Hero */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 8rem 0 4rem;
}

.hero-gradient {
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 800px;
  height: 600px;
  background: radial-gradient(ellipse, rgba(34, 197, 94, 0.15) 0%, transparent 70%);
  pointer-events: none;
}

.hero-badge {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.875rem;
  color: var(--accent);
  margin-bottom: 1rem;
  letter-spacing: 0.05em;
}

.hero-title {
  font-size: clamp(2.5rem, 6vw, 4rem);
  font-weight: 700;
  line-height: 1.15;
  margin-bottom: 1.5rem;
  letter-spacing: -0.02em;
}

.hero-title .highlight {
  background: linear-gradient(135deg, var(--gradient-start), var(--gradient-end));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  font-size: 1.25rem;
  color: var(--text-muted);
  max-width: 540px;
  margin-bottom: 2rem;
}

/* Pain section */
.pain-section {
  padding: 4rem 0;
  background: var(--bg-card);
  border-top: 1px solid var(--border);
}

.pain-title {
  font-size: 1.25rem;
  font-weight: 600;
  text-align: center;
  margin-bottom: 2rem;
  color: var(--text);
}

.pain-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.25rem;
  max-width: 960px;
  margin: 0 auto 2rem;
}

.pain-item {
  padding: 1.25rem 1.5rem;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: 0.95rem;
  color: var(--text-muted);
  line-height: 1.6;
}

.pain-item strong {
  display: block;
  color: var(--text);
  margin-bottom: 0.35rem;
}

.pain-punch {
  text-align: center;
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text);
  max-width: 560px;
  margin: 0 auto;
}

/* Hook question */
.hook-question {
  padding: 3rem 0;
  text-align: center;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.hook-text {
  font-size: 1.35rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.hook-sub {
  font-size: 1rem;
  color: var(--text-muted);
}

/* Truth section */
.truth-section {
  padding: 6rem 0;
  background: var(--bg);
}

.truth-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
  max-width: 900px;
  margin: 0 auto;
}

.truth-card {
  padding: 2rem;
  border-left: 4px solid var(--accent);
  background: var(--bg-card);
  border-radius: 0 8px 8px 0;
}

.truth-card h3 {
  font-size: 1.15rem;
  margin-bottom: 0.75rem;
  color: var(--text);
}

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

/* State transition */
.state-transition {
  padding: 6rem 0;
  background: var(--bg-card);
}

.state-grid {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 1.5rem;
  max-width: 800px;
  margin: 0 auto;
}

.state-card {
  flex: 1;
  min-width: 240px;
  padding: 2rem;
  border-radius: 12px;
  border: 1px solid var(--border);
}

.state-card--before {
  background: var(--bg);
}

.state-card--after {
  border-color: var(--accent);
  box-shadow: 0 0 0 1px rgba(34, 197, 94, 0.2);
}

.state-card h3 {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 0.75rem;
  color: var(--text-muted);
}

.state-card--after h3 {
  color: var(--accent);
}

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

.state-arrow {
  font-size: 1.5rem;
  color: var(--accent);
  font-weight: 700;
}

/* What is */
.what-is {
  padding: 6rem 0;
  background: var(--bg-card);
}

.what-is-lead {
  font-size: 1.15rem;
  font-weight: 500;
  margin-bottom: 1rem;
  max-width: 640px;
  color: var(--text-muted);
}

.what-is-highlight {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--accent);
  margin-bottom: 1.5rem;
}

.what-is-text {
  color: var(--text-muted);
  font-size: 1.1rem;
  max-width: 640px;
  margin-bottom: 1.5rem;
  line-height: 1.7;
}

.what-is-quote {
  border-left: 4px solid var(--accent);
  padding-left: 1.5rem;
  margin-top: 2rem;
}

.what-is-quote p {
  color: var(--text-muted);
  font-style: italic;
  font-size: 1.05rem;
}

.what-is-quote em {
  color: var(--accent);
  font-style: normal;
}

.examples-box {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 1.5rem;
  margin: 1.5rem 0;
}

.examples-box p {
  margin: 0.35rem 0;
  font-size: 0.95rem;
  color: var(--text-muted);
}

.examples-box p:first-child {
  margin-bottom: 0.75rem;
  color: var(--text);
}

.organize-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.25rem;
  margin: 1.5rem 0 2rem;
}

.organize-item {
  padding: 1.5rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 8px;
}

.organize-item strong {
  display: block;
  font-size: 1rem;
  color: var(--accent);
  margin-bottom: 0.75rem;
}

.organize-item p {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.6;
  margin: 0;
}

.organize-item em {
  color: var(--text);
  font-style: normal;
  font-weight: 500;
}

.what-is-quote p + p {
  margin-top: 1rem;
}

/* Problem */
.problem {
  padding: 6rem 0;
}

.section-title {
  font-size: clamp(1.75rem, 4vw, 2.25rem);
  font-weight: 700;
  text-align: center;
  margin-bottom: 3rem;
}

.problem-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
}

.problem-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 2rem;
}

.problem-card--solution {
  border-color: var(--accent);
  box-shadow: 0 0 0 1px rgba(34, 197, 94, 0.2);
}

.problem-icon {
  font-size: 2rem;
  margin-bottom: 1rem;
  display: block;
}

.problem-card h3 {
  font-size: 1.25rem;
  margin-bottom: 0.75rem;
}

.problem-card p {
  color: var(--text-muted);
  font-size: 0.95rem;
}

/* Layers */
.layers {
  padding: 6rem 0;
  background: var(--bg-card);
}

.layers-intro {
  text-align: center;
  color: var(--text-muted);
  margin-bottom: 2rem;
  font-size: 1.05rem;
}

.layers-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.5rem;
}

.layer-card {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1.75rem;
}

.layer-num {
  font-family: 'JetBrains Mono', monospace;
  font-size: 2rem;
  font-weight: 700;
  color: var(--accent);
  display: block;
  margin-bottom: 0.75rem;
}

.layer-card h3 {
  font-size: 1.125rem;
  margin-bottom: 0.5rem;
}

.layer-card p {
  color: var(--text-muted);
  font-size: 0.9rem;
  line-height: 1.6;
}

.layer-card em {
  color: var(--text);
  font-style: normal;
  font-weight: 500;
}

/* For who */
.for-who {
  padding: 4rem 0;
}

.for-who-content {
  max-width: 640px;
  margin: 0 auto;
  text-align: center;
}

.for-who-content p {
  font-size: 1.15rem;
  color: var(--text-muted);
  line-height: 1.7;
}

/* CTA Section */
.cta-section {
  padding: 6rem 0;
  text-align: center;
}

.cta-text {
  font-size: 1.125rem;
  color: var(--text-muted);
  margin-bottom: 1.5rem;
}

/* Footer */
.footer {
  padding: 2rem 0;
  border-top: 1px solid var(--border);
  text-align: center;
}

.footer p {
  font-size: 0.875rem;
  color: var(--text-muted);
}

/* Responsive */
@media (max-width: 640px) {
  .nav a:not(.btn) {
    display: none;
  }

  .hero {
    padding: 6rem 0 3rem;
  }

  .hook-text {
    font-size: 1.15rem;
  }

  .state-grid {
    flex-direction: column;
  }

  .state-arrow {
    transform: rotate(90deg);
  }
}
