:root {
  --bg-dark: #0a0a0a;
  --bg-mid: #18181b;
  --bg-card: #111113;
  --green: #4ade80;
  --text-light: #f4f4f5;
  --text-muted: #a1a1aa;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  font-family: 'Inter', sans-serif;
}

body {
  min-height: 100vh;
  background: linear-gradient(135deg, var(--bg-dark), var(--bg-mid));
  color: var(--text-light);
}

a {
  text-decoration: none;
  color: inherit;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* Hero */
.hero {
  text-align: center;
  padding: 6rem 0;
  animation: fadeInUp 0.8s ease forwards;
}

.hero h1 {
  font-size: clamp(2.5rem, 5vw, 3.5rem);
  font-weight: 800;
  margin-bottom: 1.5rem;
}

.highlight {
  color: var(--green);
}

.hero p {
  max-width: 640px;
  margin: 0 auto 2.5rem;
  color: var(--text-muted);
  font-size: 1.1rem;
  line-height: 1.6;
}

.btn-group {
  display: flex;
  justify-content: center;
  gap: 1rem;
  flex-wrap: wrap;
}

.btn {
  padding: 1rem 2.5rem;
  border-radius: 1.25rem;
  font-weight: 600;
  font-size: 1rem;
  cursor: pointer;
  transition: all 0.2s ease;
  border: 2px solid transparent;
}

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

.btn.primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 25px rgba(74, 222, 128, 0.3);
}

.btn.outline {
  background: transparent;
  border-color: var(--green);
  color: var(--green);
}

.btn.outline:hover {
  background: rgba(74, 222, 128, 0.1);
}

/* Features */
.features {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 2rem;
  padding: 4rem 0;
}

.card {
  background: var(--bg-card);
  border-radius: 1.5rem;
  padding: 2rem;
  text-align: center;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4);
  transition: transform 0.2s ease;
}

.card:hover {
  transform: translateY(-5px);
}

.icon {
  color: var(--green);
  margin-bottom: 1rem;
  width: 32px;
  height: 32px;
}

.card h3 {
  margin-bottom: 0.5rem;
  font-size: 1.2rem;
}

.card p {
  color: var(--text-muted);
  font-size: 0.95rem;
  line-height: 1.5;
}

/* Steps */
.steps {
  text-align: center;
  padding: 5rem 0;
}

.steps h2 {
  font-size: 2.5rem;
  margin-bottom: 3rem;
}

.step-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 2rem;
}

.step {
  background: var(--bg-card);
  padding: 2rem;
  border-radius: 1.5rem;
  transition: transform 0.2s ease;
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.4);
}

.step:hover {
  transform: scale(1.05);
}

.step-number {
  color: var(--green);
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: 1rem;
}

/* Support */
.support {
  background: #0f0f12;
  padding: 5rem 0;
  text-align: center;
}

.support h2 {
  font-size: 2rem;
  margin-bottom: 1rem;
}

.support p {
  max-width: 600px;
  margin: 0 auto 2rem;
  color: var(--text-muted);
  line-height: 1.6;
}

/* Footer */
footer {
  padding: 2rem 0;
  text-align: center;
  color: var(--text-muted);
  font-size: 0.85rem;
}

/* Animations */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}