/* css/style.css */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Playfair+Display:wght@400;500;600;700;800&display=swap');

:root {
  /* Colors */
  --color-primary: #1e5631; /* Deep leaf green */
  --color-primary-dark: #12351e;
  --color-primary-light: #4c9a2a;
  --color-secondary: #d4af37; /* Metallic gold */
  --color-secondary-light: #f2db88;
  --color-ivory: #fffff0;
  --color-beige: #f5f5dc;
  --color-stone: #e9e5d8;
  --color-white: #ffffff;
  --color-black: #111111;
  --color-text: #333333;
  --color-text-light: #666666;
  
  /* Typography */
  --font-serif: 'Playfair Display', serif;
  --font-sans: 'Inter', sans-serif;
  
  /* Spacing */
  --section-padding: 5rem 1rem;
  
  /* Shadows */
  --shadow-sm: 0 2px 4px rgba(0,0,0,0.05);
  --shadow-md: 0 8px 16px rgba(0,0,0,0.08);
  --shadow-lg: 0 16px 32px rgba(0,0,0,0.12);
  --shadow-gold: 0 4px 15px rgba(212, 175, 55, 0.3);
  
  /* Borders */
  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 24px;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-sans);
  color: var(--color-text);
  background-color: var(--color-ivory);
  line-height: 1.6;
  overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-serif);
  color: var(--color-primary-dark);
  line-height: 1.3;
  margin-bottom: 1rem;
}

a {
  text-decoration: none;
  color: inherit;
  transition: all 0.3s ease;
}

ul {
  list-style: none;
}

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

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

.text-center { text-align: center; }
.text-primary { color: var(--color-primary); }
.text-gold { color: var(--color-secondary); }

.section-title {
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: 1rem;
  color: var(--color-primary-dark);
}

.section-subtitle {
  font-size: 1.1rem;
  color: var(--color-text-light);
  margin-bottom: 3rem;
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
  font-family: var(--font-sans);
}

.bg-white { background-color: var(--color-white); }
.bg-stone { background-color: var(--color-stone); }
.bg-primary { background-color: var(--color-primary); color: white; }
.bg-primary h2, .bg-primary h3, .bg-primary p { color: white; }

/* Buttons */
.btn {
  display: inline-block;
  padding: 0.8rem 1.8rem;
  border-radius: 50px;
  font-weight: 600;
  font-family: var(--font-sans);
  cursor: pointer;
  border: none;
  transition: all 0.3s ease;
  text-align: center;
}

.btn-primary {
  background-color: var(--color-secondary);
  color: var(--color-primary-dark);
  box-shadow: var(--shadow-gold);
}

.btn-primary:hover {
  background-color: #ebd17a;
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(212, 175, 55, 0.4);
}

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

.btn-outline:hover {
  background-color: var(--color-secondary);
  color: var(--color-primary-dark);
}

/* Header */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  padding: 1rem 0;
  z-index: 1000;
  transition: all 0.3s ease;
  background-color: rgba(17, 17, 17, 0.95); /* Black to blend with logo */
  backdrop-filter: blur(10px);
  box-shadow: var(--shadow-sm);
}

.header.scrolled {
  padding: 0.8rem 0;
  background-color: rgba(17, 17, 17, 0.98);
  box-shadow: var(--shadow-md);
}

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

.logo img {
  height: 70px; /* Increased height for vertical logo */
}

.nav-links {
  display: flex;
  gap: 2rem;
  align-items: center;
}

.nav-links a {
  font-weight: 500;
  color: var(--color-white);
  font-size: 0.95rem;
}

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

.mobile-menu-btn {
  display: none;
  background: none;
  border: none;
  font-size: 1.5rem;
  color: var(--color-white);
  cursor: pointer;
}

/* Hero Section */
.hero {
  padding: 8rem 0 5rem;
  min-height: 90vh;
  display: flex;
  align-items: center;
  position: relative;
  background: linear-gradient(135deg, rgba(255,255,240,1) 0%, rgba(233,229,216,1) 100%);
  overflow: hidden;
}

.hero::after {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  width: 50%;
  height: 100%;
  background: url('../assets/terragen/terragen-10.jpeg') no-repeat center center;
  background-size: cover;
  clip-path: polygon(15% 0, 100% 0, 100% 100%, 0 100%);
  z-index: 0;
}

.hero .container {
  position: relative;
  z-index: 1;
  display: flex;
}

.hero-content {
  width: 55%;
  padding-right: 3rem;
}

.hero h1 {
  font-size: 3.5rem;
  line-height: 1.2;
  margin-bottom: 1.5rem;
  color: var(--color-primary-dark);
}

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

.hero p {
  font-size: 1.2rem;
  color: var(--color-text);
  margin-bottom: 2rem;
}

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

/* Pilar Bisnis */
.pilar-section {
  padding: var(--section-padding);
}

.pilar-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
}

.pilar-card {
  background: var(--color-white);
  padding: 2.5rem 1.5rem;
  border-radius: var(--radius-md);
  text-align: center;
  box-shadow: var(--shadow-sm);
  border-top: 4px solid var(--color-secondary);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  position: relative;
  overflow: hidden;
}

.pilar-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-md);
}

.pilar-card.active-pilar {
  background: linear-gradient(145deg, var(--color-primary), var(--color-primary-dark));
  color: white;
  border-top: none;
}

.pilar-card.active-pilar h3, .pilar-card.active-pilar p {
  color: white;
}

.pilar-icon {
  font-size: 3rem;
  margin-bottom: 1rem;
  color: var(--color-secondary);
}

.pilar-badge {
  font-size: 0.8rem;
  background: var(--color-stone);
  color: var(--color-text-light);
  padding: 0.3rem 0.8rem;
  border-radius: 20px;
  display: inline-block;
  margin-top: 1rem;
}

/* TerraGen Produk */
.terragen-section {
  padding: var(--section-padding);
  background: var(--color-white);
}

.terragen-content {
  display: flex;
  align-items: center;
  gap: 4rem;
}

.terragen-img {
  flex: 1;
  position: relative;
}

.terragen-img img {
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
}

.terragen-text {
  flex: 1;
}

.terragen-text h2 {
  font-size: 2.8rem;
}

.benefits-list {
  margin-top: 2rem;
}

.benefits-list li {
  display: flex;
  align-items: flex-start;
  margin-bottom: 1rem;
  font-size: 1.1rem;
}

.benefits-list li i {
  color: var(--color-secondary);
  margin-right: 1rem;
  margin-top: 0.3rem;
}

/* Kandungan TerraGen */
.kandungan-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 1.5rem;
}

.kandungan-card {
  display: flex;
  align-items: center;
  background: var(--color-ivory);
  padding: 1.5rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-stone);
  transition: all 0.3s;
}

.kandungan-card:hover {
  border-color: var(--color-secondary);
  background: var(--color-white);
  box-shadow: var(--shadow-sm);
}

.kandungan-icon {
  width: 50px;
  height: 50px;
  background: var(--color-primary-light);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  margin-right: 1.5rem;
  font-size: 1.5rem;
}

/* Cara Aplikasi */
.aplikasi-section {
  background: var(--color-primary-dark);
  color: white;
  padding: var(--section-padding);
}

.aplikasi-split {
  display: flex;
  gap: 3rem;
  align-items: center;
}

.aplikasi-visual {
  flex: 1;
}

.aplikasi-visual img {
  border-radius: var(--radius-md);
  border: 4px solid var(--color-secondary);
}

.aplikasi-methods {
  flex: 1;
}

.method-card {
  background: rgba(255,255,255,0.1);
  padding: 2rem;
  border-radius: var(--radius-md);
  margin-bottom: 1.5rem;
  backdrop-filter: blur(5px);
  border: 1px solid rgba(255,255,255,0.2);
}

.method-card h3 {
  color: var(--color-secondary);
  display: flex;
  align-items: center;
  gap: 1rem;
}

.aplikasi-notes {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-top: 2rem;
}

.note-tag {
  background: var(--color-primary);
  padding: 0.5rem 1rem;
  border-radius: 20px;
  font-size: 0.9rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

/* Bukti Lapangan */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1.5rem;
}

.gallery-item {
  position: relative;
  border-radius: var(--radius-md);
  overflow: hidden;
  aspect-ratio: 4/3;
}

.gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.gallery-item:hover img {
  transform: scale(1.05);
}

.gallery-caption {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  background: linear-gradient(to top, rgba(0,0,0,0.8), transparent);
  color: white;
  padding: 2rem 1.5rem 1rem;
  font-weight: 500;
}

/* Testimoni */
.testimoni-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 2rem;
}

.testimoni-card {
  background: var(--color-white);
  padding: 2.5rem;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  position: relative;
}

.quote-icon {
  position: absolute;
  top: 1.5rem;
  right: 1.5rem;
  font-size: 3rem;
  color: var(--color-stone);
  opacity: 0.5;
}

.testimoni-text {
  font-size: 1.1rem;
  font-style: italic;
  margin-bottom: 2rem;
  color: var(--color-text);
  position: relative;
  z-index: 1;
}

.testimoni-author {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.author-img {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  object-fit: cover;
}

.author-info h4 {
  margin-bottom: 0.2rem;
  font-family: var(--font-sans);
}

.author-info p {
  font-size: 0.9rem;
  color: var(--color-secondary);
  font-weight: 600;
}

/* Struktur Kerjasama */
.struktur-diagram {
  background: var(--color-white);
  padding: 3rem;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  margin-bottom: 4rem;
  border: 1px solid var(--color-stone);
}

.diagram-levels {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.5rem;
}

.level-box {
  background: var(--color-primary-dark);
  color: white;
  padding: 1rem 3rem;
  border-radius: var(--radius-sm);
  font-weight: 600;
  min-width: 250px;
  text-align: center;
  position: relative;
}

.level-box::after {
  content: '↓';
  position: absolute;
  bottom: -25px;
  left: 50%;
  transform: translateX(-50%);
  color: var(--color-secondary);
  font-size: 1.5rem;
}

.level-box:last-child::after {
  display: none;
}

.level-box.gold {
  background: var(--color-secondary);
  color: var(--color-primary-dark);
}

.level-box span {
  display: block;
  font-size: 0.8rem;
  font-weight: 400;
  opacity: 0.9;
  margin-top: 0.3rem;
}

.benefits-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
}

.benefit-tier-card {
  background: var(--color-white);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: transform 0.3s;
}

.benefit-tier-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-md);
}

.tier-header {
  background: var(--color-primary);
  color: white;
  padding: 1.5rem;
  text-align: center;
}

.tier-header.gold {
  background: var(--color-secondary);
  color: var(--color-primary-dark);
}

.tier-header h3 {
  color: inherit;
  margin: 0;
}

.tier-body {
  padding: 2rem;
}

.tier-body ul li {
  margin-bottom: 1rem;
  padding-left: 1.5rem;
  position: relative;
}

.tier-body ul li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--color-secondary);
  font-weight: bold;
}

/* Simulasi Keuntungan */
.simulasi-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
}

.simulasi-card {
  background: var(--color-ivory);
  border: 1px solid var(--color-stone);
  border-radius: var(--radius-md);
  padding: 2rem;
  text-align: center;
}

.simulasi-price {
  font-size: 2.5rem;
  font-family: var(--font-serif);
  color: var(--color-primary-dark);
  font-weight: 700;
  margin: 1.5rem 0;
}

.simulasi-price span {
  font-size: 1rem;
  font-family: var(--font-sans);
  font-weight: 400;
  color: var(--color-text-light);
}

.simulasi-margin {
  background: var(--color-white);
  padding: 1rem;
  border-radius: var(--radius-sm);
  margin-bottom: 1.5rem;
  font-weight: 600;
  color: var(--color-primary);
  border-left: 4px solid var(--color-secondary);
}

/* Roadmap */
.roadmap-timeline {
  position: relative;
  max-width: 800px;
  margin: 0 auto;
}

.roadmap-timeline::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50px;
  height: 100%;
  width: 2px;
  background: var(--color-secondary);
}

.roadmap-item {
  display: flex;
  margin-bottom: 3rem;
  position: relative;
}

.roadmap-marker {
  width: 30px;
  height: 30px;
  background: var(--color-secondary);
  border-radius: 50%;
  position: absolute;
  left: 36px;
  top: 0;
  border: 4px solid var(--color-white);
  box-shadow: var(--shadow-sm);
}

.roadmap-content {
  margin-left: 100px;
  background: var(--color-white);
  padding: 2rem;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  width: 100%;
}

.roadmap-item.active .roadmap-marker {
  background: var(--color-primary);
}

.roadmap-item.active .roadmap-content {
  border-left: 4px solid var(--color-primary);
}

/* Artikel */
.artikel-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
}

.artikel-card {
  background: var(--color-white);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: all 0.3s ease;
}

.artikel-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-md);
}

.artikel-img {
  height: 200px;
  background: var(--color-stone);
}

.artikel-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.artikel-content {
  padding: 1.5rem;
}

.artikel-tag {
  color: var(--color-secondary);
  font-size: 0.85rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.artikel-title {
  margin: 0.5rem 0 1rem;
  font-family: var(--font-serif);
  font-size: 1.3rem;
}

/* Final CTA */
.final-cta {
  background: linear-gradient(135deg, var(--color-primary-dark) 0%, var(--color-primary) 100%);
  color: white;
  text-align: center;
  padding: 6rem 1rem;
}

.final-cta h2 {
  color: white;
  font-size: 3rem;
  margin-bottom: 1.5rem;
}

.cta-btns {
  display: flex;
  gap: 1.5rem;
  justify-content: center;
  margin-top: 3rem;
  flex-wrap: wrap;
}

/* Footer */
.footer {
  background: var(--color-black);
  color: rgba(255,255,255,0.8);
  padding: 5rem 0 2rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 3rem;
  margin-bottom: 3rem;
}

.footer-brand h3 {
  color: white;
  font-family: var(--font-serif);
  font-size: 1.8rem;
  margin-bottom: 1rem;
}

.footer-brand p {
  margin-bottom: 1.5rem;
}

.footer h4 {
  color: var(--color-secondary);
  font-size: 1.2rem;
  margin-bottom: 1.5rem;
  font-family: var(--font-sans);
}

.footer-links li {
  margin-bottom: 0.8rem;
}

.footer-links a:hover {
  color: var(--color-secondary);
}

.footer-bottom {
  text-align: center;
  padding-top: 2rem;
  border-top: 1px solid rgba(255,255,255,0.1);
  font-size: 0.9rem;
}

/* WhatsApp Float */
.wa-float {
  position: fixed;
  bottom: 30px;
  right: 30px;
  width: 60px;
  height: 60px;
  background-color: #25d366;
  color: white;
  border-radius: 50px;
  text-align: center;
  font-size: 35px;
  box-shadow: 2px 2px 10px rgba(0,0,0,0.2);
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.3s;
}

.wa-float:hover {
  transform: scale(1.1);
  background-color: #128C7E;
}

/* Responsive */
@media (max-width: 992px) {
  .hero::after {
    width: 100%;
    opacity: 0.2;
    clip-path: none;
  }
  
  .hero-content {
    width: 100%;
    text-align: center;
    padding-right: 0;
  }
  
  .hero-btns {
    justify-content: center;
  }
  
  .terragen-content, .aplikasi-split {
    flex-direction: column;
  }
}

@media (max-width: 768px) {
  .nav-links {
    position: fixed;
    top: 70px;
    left: -100%;
    width: 100%;
    height: calc(100vh - 70px);
    background: var(--color-ivory);
    flex-direction: column;
    padding: 2rem;
    transition: 0.3s;
  }
  
  .nav-links.active {
    left: 0;
  }
  
  .mobile-menu-btn {
    display: block;
  }
  
  .hero h1 {
    font-size: 2.5rem;
  }
  
  .section-title {
    font-size: 2rem;
  }
  
  .cta-btns {
    flex-direction: column;
  }
  
  .roadmap-timeline::before {
    left: 20px;
  }
  
  .roadmap-marker {
    left: 6px;
  }
  
  .roadmap-content {
    margin-left: 60px;
  }
}