/* === Reset & Base === */
*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  --color-bg: #0a0a0a;
  --color-surface: #141414;
  --color-surface-2: #1a1a1a;
  --color-border: #262626;
  --color-text: #fafafa;
  --color-text-secondary: #a1a1aa;
  --color-accent: #22c55e;
  --color-accent-hover: #16a34a;
  --color-accent-subtle: rgba(34, 197, 94, 0.1);
  --font: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --radius: 12px;
  --radius-sm: 8px;
  --max-width: 1100px;
}

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

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

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 20px;
}

h1, h2, h3 {
  line-height: 1.2;
}

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

/* === Buttons === */
.btn {
  display: inline-block;
  padding: 14px 32px;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 1rem;
  text-align: center;
  transition: all 0.2s ease;
  cursor: pointer;
  border: none;
}

.btn-primary {
  background: var(--color-accent);
  color: #000;
}

.btn-primary:hover {
  background: var(--color-accent-hover);
  transform: translateY(-1px);
}

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

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

.btn-lg {
  padding: 18px 40px;
  font-size: 1.125rem;
}

/* === Hero === */
.hero {
  padding: 100px 0 80px;
  text-align: center;
}

.hero-badge {
  display: inline-block;
  padding: 6px 16px;
  background: var(--color-accent-subtle);
  color: var(--color-accent);
  border-radius: 100px;
  font-size: 0.875rem;
  font-weight: 500;
  margin-bottom: 24px;
  border: 1px solid rgba(34, 197, 94, 0.2);
}

.hero h1 {
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 800;
  max-width: 800px;
  margin: 0 auto 20px;
  letter-spacing: -0.02em;
}

.hero-sub {
  font-size: clamp(1.05rem, 2.5vw, 1.25rem);
  color: var(--color-text-secondary);
  max-width: 560px;
  margin: 0 auto 36px;
}

.hero .btn {
  margin-bottom: 16px;
}

.hero-note {
  font-size: 0.875rem;
  color: var(--color-text-secondary);
}

/* === Features === */
.features {
  padding: 80px 0;
}

.features h2 {
  text-align: center;
  font-size: clamp(1.5rem, 3.5vw, 2.25rem);
  font-weight: 700;
  margin-bottom: 48px;
}

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

.feature-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 28px;
}

.feature-icon {
  width: 48px;
  height: 48px;
  background: var(--color-accent-subtle);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-accent);
  margin-bottom: 16px;
}

.feature-card h3 {
  font-size: 1.125rem;
  font-weight: 600;
  margin-bottom: 8px;
}

.feature-card p {
  color: var(--color-text-secondary);
  font-size: 0.9375rem;
}

/* === Audience === */
.audience {
  padding: 60px 0;
  text-align: center;
}

.audience h2 {
  font-size: clamp(1.5rem, 3.5vw, 2.25rem);
  font-weight: 700;
  margin-bottom: 8px;
}

.audience-sub {
  color: var(--color-text-secondary);
  font-size: 1.1rem;
  margin-bottom: 28px;
}

.audience-tags {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px;
}

.tag {
  display: inline-block;
  padding: 8px 20px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 100px;
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--color-text-secondary);
}

/* === Pricing === */
.pricing {
  padding: 80px 0;
}

.pricing h2 {
  text-align: center;
  font-size: clamp(1.5rem, 3.5vw, 2.25rem);
  font-weight: 700;
  margin-bottom: 8px;
}

.pricing-sub {
  text-align: center;
  color: var(--color-text-secondary);
  margin-bottom: 40px;
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 16px;
}

.plan-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 28px 24px;
  display: flex;
  flex-direction: column;
  position: relative;
}

.plan-featured {
  border-color: var(--color-accent);
  background: var(--color-surface-2);
}

.plan-badge {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--color-accent);
  color: #000;
  font-size: 0.75rem;
  font-weight: 700;
  padding: 4px 14px;
  border-radius: 100px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.plan-name {
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-text-secondary);
  margin-bottom: 8px;
}

.plan-price {
  font-size: 2.25rem;
  font-weight: 800;
  margin-bottom: 4px;
}

.plan-price span {
  font-size: 1rem;
  font-weight: 400;
  color: var(--color-text-secondary);
}

.plan-for {
  font-size: 0.875rem;
  color: var(--color-text-secondary);
  margin-bottom: 20px;
}

.plan-features {
  list-style: none;
  margin-bottom: 24px;
  flex: 1;
}

.plan-features li {
  padding: 6px 0;
  font-size: 0.9375rem;
  color: var(--color-text-secondary);
  position: relative;
  padding-left: 20px;
}

.plan-features li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 12px;
  width: 6px;
  height: 6px;
  background: var(--color-accent);
  border-radius: 50%;
}

.plan-card .btn {
  width: 100%;
}

.pricing-note {
  text-align: center;
  color: var(--color-text-secondary);
  font-size: 0.875rem;
  margin-top: 24px;
}

/* === CTA Section === */
.cta-section {
  padding: 80px 0;
  text-align: center;
  background: var(--color-surface);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

.cta-section h2 {
  font-size: clamp(1.5rem, 3.5vw, 2.25rem);
  font-weight: 700;
  margin-bottom: 12px;
}

.cta-section p {
  color: var(--color-text-secondary);
  margin-bottom: 28px;
  font-size: 1.1rem;
}

/* === Footer === */
.footer {
  padding: 40px 0;
}

.footer-content {
  text-align: center;
}

.footer-brand {
  margin-bottom: 16px;
  font-size: 0.9375rem;
}

.footer-links {
  display: flex;
  justify-content: center;
  gap: 24px;
  margin-bottom: 20px;
}

.footer-links a {
  color: var(--color-text-secondary);
  font-size: 0.875rem;
}

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

.footer-disclaimer {
  color: var(--color-text-secondary);
  font-size: 0.8125rem;
  max-width: 600px;
  margin: 0 auto;
  line-height: 1.5;
}

/* === Mobile === */
@media (max-width: 768px) {
  .hero {
    padding: 72px 0 60px;
  }

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

  .pricing-grid {
    grid-template-columns: 1fr;
    max-width: 400px;
    margin: 0 auto;
  }

  .audience-tags {
    gap: 8px;
  }

  .tag {
    padding: 6px 14px;
    font-size: 0.875rem;
  }
}

@media (min-width: 769px) and (max-width: 1024px) {
  .pricing-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}