:root {
  --primary: #0f766e; /* Deep Indonesian Pine / Teal */
  --primary-hover: #115e59;
  --primary-light: #ccfbf1;
  --secondary: #d97706; /* Warm Amber */
  --secondary-light: #fef3c7;
  --accent: #0284c7;
  --text-main: #0f172a;
  --text-muted: #475569;
  --bg-page: #f8fafc;
  --bg-card: #ffffff;
  --border-color: #e2e8f0;
  --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
  --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
  --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 20px;
}

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

body {
  font-family: 'Plus Jakarta Sans', system-ui, -apple-system, sans-serif;
  color: var(--text-main);
  background-color: var(--bg-page);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a {
  color: var(--primary);
  text-decoration: none;
  transition: color 0.2s ease;
}

a:hover {
  color: var(--primary-hover);
}

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

/* Header & Nav */
.header-top {
  background-color: #0d4e49;
  color: #e6fffa;
  font-size: 0.85rem;
  padding: 8px 0;
}
.header-top .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
}
.site-header {
  background: var(--bg-card);
  border-bottom: 1px solid var(--border-color);
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: var(--shadow-sm);
}
.navbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 74px;
}
.brand-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
}
.logo-icon {
  width: 42px;
  height: 42px;
  background: var(--primary);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 10px;
  font-weight: 700;
  font-size: 1.3rem;
  box-shadow: 0 4px 10px rgba(15, 118, 110, 0.3);
}
.brand-name {
  font-size: 1.25rem;
  font-weight: 800;
  color: #0f172a;
  letter-spacing: -0.02em;
}
.brand-tagline {
  font-size: 0.75rem;
  color: var(--text-muted);
  font-weight: 500;
  display: block;
}

.nav-links {
  display: flex;
  list-style: none;
  gap: 24px;
  align-items: center;
}
.nav-links a {
  font-weight: 600;
  font-size: 0.95rem;
  color: #334155;
  padding: 6px 12px;
  border-radius: var(--radius-sm);
  transition: all 0.2s;
}
.nav-links a:hover, .nav-links a.active {
  color: var(--primary);
  background-color: var(--primary-light);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 24px;
  font-weight: 700;
  font-size: 0.95rem;
  border-radius: var(--radius-md);
  border: none;
  cursor: pointer;
  transition: all 0.25s ease;
  text-align: center;
  text-decoration: none;
}
.btn-primary {
  background-color: var(--primary);
  color: #ffffff !important;
  box-shadow: 0 4px 14px rgba(15, 118, 110, 0.25);
}
.btn-primary:hover {
  background-color: var(--primary-hover);
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(15, 118, 110, 0.35);
}
.btn-secondary {
  background-color: #f1f5f9;
  color: #334155;
}
.btn-secondary:hover {
  background-color: #e2e8f0;
}
.btn-outline {
  background-color: transparent;
  border: 2px solid var(--primary);
  color: var(--primary);
}
.btn-outline:hover {
  background-color: var(--primary);
  color: #fff !important;
}

/* Hero Section */
.hero-section {
  padding: 64px 0;
  background: linear-gradient(135deg, #f0fdfa 0%, #f8fafc 100%);
  border-bottom: 1px solid var(--border-color);
}
.hero-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 40px;
  align-items: center;
}
.badge-pill {
  display: inline-block;
  padding: 6px 14px;
  background-color: #ccfbf1;
  color: #0f766e;
  border-radius: 9999px;
  font-size: 0.82rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 16px;
}
.hero-title {
  font-size: 2.6rem;
  line-height: 1.2;
  font-weight: 800;
  color: #0f172a;
  margin-bottom: 18px;
  letter-spacing: -0.03em;
}
.hero-title span {
  color: var(--primary);
}
.hero-desc {
  font-size: 1.1rem;
  color: var(--text-muted);
  margin-bottom: 28px;
  line-height: 1.7;
}
.hero-card-box {
  background: #ffffff;
  padding: 32px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-lg);
}

/* Feature Grid */
.features-section {
  padding: 70px 0;
}
.section-header {
  text-align: center;
  max-width: 680px;
  margin: 0 auto 48px;
}
.section-title {
  font-size: 2rem;
  font-weight: 800;
  color: #0f172a;
  margin-bottom: 12px;
  letter-spacing: -0.02em;
}
.section-subtitle {
  color: var(--text-muted);
  font-size: 1.05rem;
}
.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 28px;
}
.card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 28px;
  box-shadow: var(--shadow-sm);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
  display: flex;
  flex-direction: column;
}
.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}
.card-icon {
  width: 52px;
  height: 52px;
  background-color: var(--primary-light);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 12px;
  font-size: 1.6rem;
  margin-bottom: 20px;
}
.card h3 {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 12px;
  color: #0f172a;
}
.card p {
  color: var(--text-muted);
  font-size: 0.95rem;
  line-height: 1.6;
  margin-bottom: 20px;
  flex-grow: 1;
}

/* Interactive Calculator / Checker */
.calc-container {
  background: #ffffff;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 36px;
  margin: 40px auto;
  max-width: 760px;
  box-shadow: var(--shadow-md);
}
.form-group {
  margin-bottom: 20px;
}
.form-label {
  display: block;
  font-weight: 700;
  font-size: 0.95rem;
  margin-bottom: 8px;
  color: #1e293b;
}
.form-select, .form-input {
  width: 100%;
  padding: 12px 16px;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  font-size: 1rem;
  font-family: inherit;
  background-color: #f8fafc;
  outline: none;
  transition: border-color 0.2s ease;
}
.form-select:focus, .form-input:focus {
  border-color: var(--primary);
  background-color: #ffffff;
}

/* Disclaimer Notice */
.compliance-banner {
  background-color: #fffbeb;
  border-left: 4px solid #f59e0b;
  padding: 16px 20px;
  margin: 30px 0;
  border-radius: 4px;
  font-size: 0.9rem;
  color: #78350f;
  line-height: 1.5;
}

/* Footer */
.site-footer {
  background-color: #092e2b;
  color: #cbd5e1;
  padding: 60px 0 24px;
  margin-top: 80px;
  border-top: 3px solid var(--primary);
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1.2fr;
  gap: 40px;
  margin-bottom: 40px;
}
.footer-col h4 {
  color: #ffffff;
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 16px;
}
.footer-col p {
  font-size: 0.9rem;
  line-height: 1.6;
  color: #94a3b8;
  margin-bottom: 12px;
}
.footer-links {
  list-style: none;
}
.footer-links li {
  margin-bottom: 10px;
}
.footer-links a {
  color: #cbd5e1;
  font-size: 0.9rem;
  transition: color 0.2s;
}
.footer-links a:hover {
  color: #38bdf8;
}
.footer-bottom {
  border-top: 1px solid #134e48;
  padding-top: 24px;
  text-align: center;
  font-size: 0.85rem;
  color: #94a3b8;
}

/* Cookie Banner */
.cookie-modal {
  position: fixed;
  bottom: 20px;
  left: 20px;
  right: 20px;
  max-width: 480px;
  background: #ffffff;
  border: 1px solid var(--border-color);
  padding: 24px;
  border-radius: var(--radius-md);
  box-shadow: 0 20px 25px -5px rgb(0 0 0 / 0.15), 0 8px 10px -6px rgb(0 0 0 / 0.1);
  z-index: 1000;
}
.cookie-actions {
  display: flex;
  gap: 12px;
  margin-top: 16px;
}

@media (max-width: 840px) {
  .hero-grid, .footer-grid {
    grid-template-columns: 1fr;
  }
  .navbar {
    flex-direction: column;
    height: auto;
    padding: 16px 0;
    gap: 12px;
  }
  .nav-links {
    flex-wrap: wrap;
    justify-content: center;
  }
}