:root {
  --emerald-green: #079669;
  --dark-green: #064E3B;
  --dark-bg: #0B1220;
  --card-bg: #111A2E;
  --light-bg: #F5F8F6;
  --white: #FFFFFF;
  --gold-accent: #D6B56D;
  --secondary-text: #94A3B8;
  --body-text: #E2E8F0;
  --border-color: #1E293B;
  --font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --header-height: 64px;
  --bottom-bar-height: 68px;
  --transition-speed: 0.25s ease-in-out;
}

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  -webkit-tap-highlight-color: transparent;
}

html {
  font-family: var(--font-family);
  background-color: var(--dark-bg);
  color: var(--body-text);
  line-height: 1.6;
  scroll-behavior: smooth;
}

body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  padding-bottom: var(--bottom-bar-height); /* Ruang ekstra untuk sticky bottom bar di mobile */
}

@media (min-width: 769px) {
  body {
    padding-bottom: 0;
  }
}

/* Accessibility Skip Link */
.skip-link {
  position: absolute;
  top: -50px;
  left: 10px;
  background: var(--gold-accent);
  color: var(--dark-bg);
  padding: 10px 16px;
  font-weight: 700;
  z-index: 9999;
  border-radius: 4px;
  transition: top var(--transition-speed);
}
.skip-link:focus {
  top: 10px;
}

.container {
  width: 100%;
  max-width: 1140px;
  margin: 0 auto;
  padding: 0 1rem;
}

/* Typography Responsive */
h1 {
  font-size: clamp(1.6rem, 5vw, 2.75rem);
  font-weight: 800;
  line-height: 1.25;
  color: var(--white);
  margin-bottom: 1rem;
}

h2 {
  font-size: clamp(1.3rem, 3.8vw, 2rem);
  font-weight: 700;
  color: var(--white);
  margin-top: 1.75rem;
  margin-bottom: 0.75rem;
}

h3 {
  font-size: 1.15rem;
  color: var(--gold-accent);
  margin-bottom: 0.5rem;
}

p {
  margin-bottom: 1rem;
  font-size: clamp(0.95rem, 2.5vw, 1.05rem);
}

/* Header & Mobile Nav */
.site-header {
  background-color: rgba(11, 18, 32, 0.95);
  border-bottom: 1px solid var(--border-color);
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  height: var(--header-height);
}

.nav-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 100%;
}

.brand-logo-link {
  display: flex;
  align-items: center;
  text-decoration: none;
}

.brand-logo-img {
  max-height: 40px;
  width: auto;
  object-fit: contain;
}

.menu-toggle-btn {
  display: inline-flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  width: 44px;
  height: 44px;
  background: transparent;
  border: 1px solid var(--border-color);
  border-radius: 8px;
  cursor: pointer;
  padding: 8px;
  gap: 5px;
}

.menu-toggle-btn span {
  display: block;
  width: 22px;
  height: 2px;
  background-color: var(--white);
  border-radius: 2px;
  transition: transform var(--transition-speed);
}

/* Drawer Menu Mobile (Off-Canvas) */
.mobile-drawer {
  position: fixed;
  top: 0;
  right: -100%;
  width: 82%;
  max-width: 320px;
  height: 100vh;
  background-color: #0E1626;
  border-left: 1px solid var(--border-color);
  z-index: 1000;
  display: flex;
  flex-direction: column;
  padding: 1.5rem;
  box-shadow: -8px 0 24px rgba(0, 0, 0, 0.7);
  transition: right var(--transition-speed);
  overflow-y: auto;
}

.mobile-drawer.active {
  right: 0;
}

.drawer-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 2rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--border-color);
}

.drawer-close-btn {
  background: transparent;
  border: none;
  color: var(--white);
  font-size: 1.75rem;
  cursor: pointer;
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.drawer-nav-list {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  list-style: none;
}

.drawer-nav-list a {
  display: flex;
  align-items: center;
  min-height: 48px;
  padding: 0 1rem;
  color: var(--body-text);
  text-decoration: none;
  font-size: 1.05rem;
  font-weight: 500;
  border-radius: 6px;
  transition: background var(--transition-speed), color var(--transition-speed);
}

.drawer-nav-list a:hover, .drawer-nav-list a.active {
  background-color: rgba(7, 150, 105, 0.15);
  color: var(--gold-accent);
}

.drawer-backdrop {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: rgba(0, 0, 0, 0.65);
  z-index: 999;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-speed), visibility var(--transition-speed);
}

.drawer-backdrop.active {
  opacity: 1;
  visibility: visible;
}

.desktop-nav {
  display: none;
}

@media (min-width: 769px) {
  .menu-toggle-btn, .mobile-drawer, .drawer-backdrop {
    display: none !important;
  }
  .desktop-nav {
    display: flex;
    gap: 1.25rem;
    align-items: center;
  }
  .desktop-nav a {
    color: var(--body-text);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.95rem;
    padding: 0.5rem 0.75rem;
    border-radius: 4px;
    transition: color var(--transition-speed);
  }
  .desktop-nav a:hover, .desktop-nav a.active {
    color: var(--gold-accent);
  }
}

/* Breadcrumb Mobile-Friendly */
.breadcrumb-container {
  padding: 0.75rem 0;
  font-size: 0.85rem;
  overflow-x: auto;
  white-space: nowrap;
  -webkit-overflow-scrolling: touch;
}

.breadcrumb-list {
  display: flex;
  list-style: none;
  gap: 0.5rem;
}

.breadcrumb-item a {
  color: var(--emerald-green);
  text-decoration: none;
}

.breadcrumb-item::after {
  content: "/";
  margin-left: 0.5rem;
  color: var(--secondary-text);
}

.breadcrumb-item:last-child::after {
  content: "";
}

/* Hero Section */
.hero-section {
  padding: 2rem 0;
  background: linear-gradient(180deg, rgba(6, 78, 59, 0.25) 0%, rgba(11, 18, 32, 1) 100%);
  border-bottom: 1px solid var(--border-color);
}

.hero-grid {
  display: flex;
  flex-direction: column-reverse; /* Pada mobile, visual ditampilkan setelah/sebelum teks sesuai kebutuhan */
  gap: 1.5rem;
}

@media (min-width: 769px) {
  .hero-section {
    padding: 4rem 0 3rem;
  }
  .hero-grid {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 2.5rem;
    align-items: center;
  }
}

.hero-image-wrapper {
  border-radius: 8px;
  overflow: hidden;
  border: 1px solid var(--border-color);
  background-color: var(--card-bg);
  width: 100%;
}

.hero-img {
  width: 100%;
  height: auto;
  display: block;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

/* Buttons (Touch Optimized) */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px; /* Target sentuh ramah jari */
  padding: 0.75rem 1.5rem;
  border-radius: 6px;
  font-weight: 600;
  font-size: 0.95rem;
  text-decoration: none;
  text-align: center;
  border: 1px solid transparent;
  width: 100%;
}

@media (min-width: 481px) {
  .btn {
    width: auto;
  }
}

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

.btn-secondary {
  background-color: transparent;
  color: var(--gold-accent);
  border-color: var(--gold-accent);
}

/* Card Grid Responsive */
.grid-cards {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
  margin: 1.5rem 0;
}

@media (min-width: 600px) {
  .grid-cards {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 992px) {
  .grid-cards {
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
  }
}

.card {
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  padding: 1.25rem;
  border-radius: 8px;
  display: flex;
  flex-direction: column;
}

.card-link {
  display: inline-block;
  min-height: 44px;
  line-height: 44px;
  color: var(--gold-accent);
  text-decoration: none;
  font-weight: 600;
  margin-top: 0.5rem;
}

/* FAQ Mobile Accordion */
.faq-item {
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  margin-bottom: 0.75rem;
  border-radius: 6px;
  overflow: hidden;
}

.faq-question {
  width: 100%;
  text-align: left;
  background: none;
  border: none;
  min-height: 48px;
  padding: 1rem;
  color: var(--white);
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 0.5rem;
}

.faq-answer {
  padding: 0 1rem 1rem;
  color: var(--secondary-text);
  font-size: 0.95rem;
}

/* Mobile Sticky Bottom Action Bar */
.mobile-bottom-bar {
  position: fixed;
  bottom: 0;
  left: 0;
  width: 100%;
  height: var(--bottom-bar-height);
  background-color: rgba(11, 18, 32, 0.98);
  border-top: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: space-around;
  padding: 0.5rem 1rem;
  z-index: 95;
  box-shadow: 0 -4px 15px rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(10px);
}

.mobile-bottom-bar .btn {
  flex: 1;
  min-height: 44px;
  font-size: 0.9rem;
  margin: 0 0.25rem;
  padding: 0.5rem 0.75rem;
}

@media (min-width: 769px) {
  .mobile-bottom-bar {
    display: none;
  }
}

/* Footer */
.site-footer {
  background-color: #070B14;
  border-top: 1px solid var(--border-color);
  padding: 2.5rem 0 2rem;
  margin-top: auto;
  font-size: 0.9rem;
  color: var(--secondary-text);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
  margin-bottom: 2rem;
}

@media (min-width: 600px) {
  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 992px) {
  .footer-grid {
    grid-template-columns: 2fr 1fr 1fr;
  }
}

.footer-col h4 {
  color: var(--white);
  font-size: 1rem;
  margin-bottom: 0.75rem;
}

.footer-col ul {
  list-style: none;
  padding: 0;
}

.footer-col ul li {
  margin-bottom: 0.5rem;
}

.footer-col a {
  display: inline-block;
  min-height: 38px;
  line-height: 38px;
  color: var(--secondary-text);
  text-decoration: none;
}