:root {
  --primary-green: #16a34a;
  --primary-green-dark: #15803d;
  --navy-dark: #0f172a;
  --text-primary: #1e293b;
  --text-muted: #64748b;
  --bg-light: #f8fafc;
  --border-color: #e2e8f0;
  --font-family: 'Plus Jakarta Sans', sans-serif;
}

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

body {
  font-family: var(--font-family);
  color: var(--text-primary);
  background-color: #ffffff;
  line-height: 1.5;
}

.container {
  width: 100%;
  max-width: 1140px;
  margin: 0 auto;
  padding: 0 20px;
}

/* NAVBAR */
.navbar {
  height: 80px;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
}

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

.logo img {
  height: 38px;
  width: auto;
}

.btn-wa-nav {
  padding: 10px 20px;
  background-color: var(--primary-green);
  color: #ffffff;
  font-weight: 700;
  font-size: 14px;
  text-decoration: none;
  border-radius: 8px;
}

/* HERO */
.hero {
  padding: 64px 0;
}

.hero-container {
  display: flex;
  align-items: center;
  gap: 48px;
}

.hero-content {
  flex: 1;
}

.badge {
  display: inline-block;
  background-color: #f1f5f9;
  color: #334155;
  font-size: 12px;
  font-weight: 700;
  padding: 6px 14px;
  border-radius: 20px;
  margin-bottom: 20px;
}

.hero-content h1 {
  font-size: 40px;
  line-height: 1.2;
  font-weight: 800;
  color: var(--navy-dark);
  margin-bottom: 16px;
}

.hero-desc {
  font-size: 16px;
  color: var(--text-muted);
  margin-bottom: 28px;
}

.btn-wa-hero {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 16px 28px;
  background-color: var(--primary-green);
  color: #ffffff;
  font-weight: 700;
  font-size: 14px;
  text-decoration: none;
  border-radius: 10px;
}

.icon-wa {
  width: 20px;
  height: 20px;
}

.hero-media {
  width: 520px;
  height: 380px;
}

.hero-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 16px;
}

/* PROBLEM & SOLUTION */
.problem-solution {
  padding: 72px 0;
  background-color: var(--bg-light);
}

.section-title {
  text-align: center;
  font-size: 26px;
  font-weight: 800;
  color: var(--navy-dark);
  margin-bottom: 40px;
}

.cards-grid {
  display: flex;
  gap: 32px;
}

.card {
  flex: 1;
  padding: 32px;
  border-radius: 16px;
}

.card-problem {
  background-color: #fef2f2;
  border: 1px solid #fecaca;
}

.card-problem h3 {
  color: #991b1b;
  font-size: 18px;
  margin-bottom: 16px;
}

.card-solution {
  background-color: #f0fdf4;
  border: 1px solid #bbf7d0;
}

.card-solution h3 {
  color: #166534;
  font-size: 18px;
  margin-bottom: 16px;
}

.card ul {
  list-style: none;
}

.card li {
  font-size: 14px;
  margin-bottom: 10px;
}

/* PORTOFOLIO */
.portfolio {
  padding: 72px 0;
}

.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.portfolio-card {
  border: 1px solid var(--border-color);
  border-radius: 16px;
  overflow: hidden;
}

.portfolio-card a {
  display: block;
  cursor: pointer;
  overflow: hidden;
}

.portfolio-card img {
  width: 100%;
  height: 220px;
  object-fit: cover;
  display: block;
  transition: transform 0.3s ease;
}

.portfolio-card a:hover img {
  transform: scale(1.05);
}

.portfolio-title {
  padding: 16px 20px;
  font-size: 14px;
  font-weight: 600;
  color: var(--navy-dark);
}

/* CTA & FOOTER */
.cta-banner {
  padding: 40px 0 80px 0;
}

.cta-box {
  background-color: var(--navy-dark);
  padding: 48px;
  border-radius: 24px;
  text-align: center;
  color: #ffffff;
}

.cta-box h2 {
  font-size: 28px;
  font-weight: 800;
  margin-bottom: 12px;
}

.cta-box p {
  font-size: 15px;
  color: #94a3b8;
  margin-bottom: 24px;
}

.btn-wa-cta {
  display: inline-block;
  padding: 16px 32px;
  background-color: var(--primary-green);
  color: #ffffff;
  font-weight: 700;
  font-size: 14px;
  text-decoration: none;
  border-radius: 8px;
}

.footer {
  padding: 24px 0;
  background-color: #020617;
  text-align: center;
  color: #64748b;
  font-size: 13px;
}

/* RESPONSIVE MOBILE */
@media (max-width: 768px) {
  .hero-container, .cards-grid {
    flex-direction: column;
  }
  .hero-media {
    width: 100%;
    height: 260px;
  }
  .portfolio-grid {
    grid-template-columns: 1fr;
  }
}