@import url('https://fonts.googleapis.com/css2?family=DM+Sans:ital,opsz,wght@0,9..40,300;0,9..40,400;0,9..40,500;0,9..40,600;0,9..40,700;1,9..40,400&display=swap');

:root {
  --green-900: #1a4d2e;
  --green-700: #2c8d46;
  --green-500: #3daa5c;
  --green-300: #7dd3a0;
  --green-100: #e8f5ec;
  --cream: #faf8f4;
  --text: #1a1a1a;
  --text-muted: #5c5c5c;
  --white: #ffffff;
  --shadow: 0 4px 24px rgba(26, 77, 46, 0.08);
  --shadow-lg: 0 12px 48px rgba(26, 77, 46, 0.12);
  --radius: 12px;
  --radius-lg: 20px;
}

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

html {
  scroll-behavior: smooth;
}

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

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

img {
  max-width: 100%;
  display: block;
}

/* Navigation */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: 1rem 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: rgba(250, 248, 244, 0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(26, 77, 46, 0.08);
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--green-900);
}

.nav-logo-icon {
  width: 36px;
  height: 36px;
  background: var(--green-700);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 1.2rem;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 2rem;
  list-style: none;
}

.nav-links a {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text-muted);
  transition: color 0.2s;
}

.nav-links a:hover {
  color: var(--green-700);
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  border-radius: 10px;
  font-family: inherit;
  font-size: 0.95rem;
  font-weight: 600;
  border: none;
  cursor: pointer;
  transition: all 0.2s;
}

.btn-primary {
  background: var(--green-700);
  color: white;
}

.btn-primary:hover {
  background: var(--green-900);
  transform: translateY(-1px);
  box-shadow: var(--shadow);
}

.btn-outline {
  background: transparent;
  color: var(--green-700);
  border: 2px solid var(--green-700);
}

.btn-outline:hover {
  background: var(--green-100);
}

.btn-lg {
  padding: 1rem 2rem;
  font-size: 1rem;
  border-radius: var(--radius);
}

/* Hero */
.hero {
  min-height: 100vh;
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: 4rem;
  padding: 8rem 2rem 4rem;
  max-width: 1200px;
  margin: 0 auto;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.4rem 1rem;
  background: var(--green-100);
  color: var(--green-700);
  border-radius: 100px;
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 1.5rem;
}

.hero h1 {
  font-size: clamp(2.5rem, 5vw, 3.5rem);
  font-weight: 700;
  line-height: 1.15;
  color: var(--green-900);
  margin-bottom: 1.25rem;
}

.hero h1 span {
  color: var(--green-700);
}

.hero-desc {
  font-size: 1.15rem;
  color: var(--text-muted);
  max-width: 520px;
  margin-bottom: 2rem;
}

.hero-actions {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.hero-visual {
  position: relative;
}

.hero-image {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  aspect-ratio: 4/3;
  object-fit: cover;
  width: 100%;
}

.hero-card {
  position: absolute;
  bottom: -1.5rem;
  left: -1.5rem;
  background: white;
  padding: 1.25rem 1.5rem;
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
  display: flex;
  align-items: center;
  gap: 1rem;
}

.hero-card-icon {
  width: 48px;
  height: 48px;
  background: var(--green-100);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
}

.hero-card strong {
  display: block;
  font-size: 1.5rem;
  color: var(--green-700);
}

.hero-card span {
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* Sections */
section {
  padding: 5rem 2rem;
}

.section-inner {
  max-width: 1100px;
  margin: 0 auto;
}

.section-label {
  font-size: 0.85rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--green-700);
  margin-bottom: 0.75rem;
}

.section-title {
  font-size: clamp(1.75rem, 3vw, 2.25rem);
  font-weight: 700;
  color: var(--green-900);
  margin-bottom: 1rem;
}

.section-desc {
  color: var(--text-muted);
  max-width: 600px;
  margin-bottom: 3rem;
}

/* Features */
.features {
  background: white;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.5rem;
}

.feature-card {
  padding: 2rem;
  border-radius: var(--radius);
  border: 1px solid rgba(26, 77, 46, 0.1);
  transition: all 0.25s;
}

.feature-card:hover {
  border-color: var(--green-300);
  box-shadow: var(--shadow);
  transform: translateY(-4px);
}

.feature-icon {
  width: 48px;
  height: 48px;
  background: var(--green-100);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  margin-bottom: 1.25rem;
}

.feature-card h3 {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
  color: var(--green-900);
}

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

/* Tech stack */
.tech-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.tech-tag {
  padding: 0.5rem 1.25rem;
  background: white;
  border: 1px solid rgba(26, 77, 46, 0.15);
  border-radius: 100px;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--green-900);
}

/* CTA */
.cta {
  background: linear-gradient(135deg, var(--green-900), var(--green-700));
  color: white;
  text-align: center;
  border-radius: var(--radius-lg);
  padding: 4rem 2rem;
  margin: 0 2rem 5rem;
  max-width: 1100px;
  margin-left: auto;
  margin-right: auto;
}

.cta h2 {
  font-size: clamp(1.75rem, 3vw, 2.25rem);
  margin-bottom: 1rem;
}

.cta p {
  opacity: 0.85;
  margin-bottom: 2rem;
  max-width: 500px;
  margin-left: auto;
  margin-right: auto;
}

.cta .btn-primary {
  background: white;
  color: var(--green-700);
}

.cta .btn-primary:hover {
  background: var(--green-100);
}

/* Footer */
.footer {
  padding: 2rem;
  text-align: center;
  color: var(--text-muted);
  font-size: 0.9rem;
  border-top: 1px solid rgba(26, 77, 46, 0.08);
}

/* Responsive */
@media (max-width: 900px) {
  .hero {
    grid-template-columns: 1fr;
    text-align: center;
    padding-top: 6rem;
  }

  .hero-desc {
    margin-left: auto;
    margin-right: auto;
  }

  .hero-actions {
    justify-content: center;
  }

  .hero-visual {
    order: -1;
    max-width: 500px;
    margin: 0 auto;
  }

  .hero-card {
    left: 50%;
    transform: translateX(-50%);
    bottom: -1rem;
  }

  .nav-links {
    display: none;
  }
}