:root {
  --green: #2f5d3a;
  --green-deep: #254a2e;
  --green-mid: #3d6b48;
  --green-soft: #5a7d62;
  --green-muted: #6b8570;
  --mint: #eef3ef;
  --mint-card: #e8efe9;
  --tag-bg: #f0f3f1;
  --text: #1c2b1f;
  --text-soft: #5c6b60;
  --border: #e2e8e3;
  --white: #ffffff;
  --footer: #1e2824;
  --radius: 1.25rem;
  --radius-sm: 0.75rem;
  --radius-btn: 0.55rem;
  --shadow: 0 8px 28px rgba(28, 43, 31, 0.08);
  --container: 72rem;
  --font: "Plus Jakarta Sans", "Segoe UI", sans-serif;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font);
  color: var(--text);
  background: var(--white);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

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

ul {
  list-style: none;
}

.container {
  width: min(100% - 2rem, var(--container));
  margin-inline: auto;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  background: var(--green);
  color: var(--white);
  font-weight: 600;
  font-size: 0.95rem;
  padding: 0.8rem 1.2rem;
  border-radius: var(--radius-btn);
  border: none;
  cursor: pointer;
  transition: background 0.2s ease, transform 0.2s ease;
}

.btn:hover {
  background: var(--green-deep);
  transform: translateY(-1px);
}

.btn .arrow {
  font-size: 0.95rem;
  line-height: 1;
}

.tag {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  background: var(--tag-bg);
  color: var(--green);
  font-size: 0.85rem;
  font-weight: 600;
  padding: 0.4rem 0.75rem;
  border-radius: 0.5rem;
  margin-bottom: 1rem;
}

.section {
  padding: 4.5rem 0;
}

.section-title {
  color: var(--green);
  font-size: clamp(1.55rem, 2.4vw, 2.15rem);
  font-weight: 700;
  line-height: 1.25;
  letter-spacing: -0.02em;
  max-width: 42rem;
}

.section-lead {
  margin-top: 1rem;
  color: var(--text-soft);
  max-width: 44rem;
  font-size: 1rem;
}

.section-lead strong {
  color: var(--green);
  font-weight: 700;
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid transparent;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.site-header.scrolled {
  border-bottom-color: var(--border);
  box-shadow: 0 4px 18px rgba(28, 43, 31, 0.05);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  min-height: 4.25rem;
}

.logo {
  display: flex;
  flex-direction: column;
  line-height: 1.15;
  color: var(--green);
}

.logo-top {
  font-weight: 800;
  font-size: 0.95rem;
  letter-spacing: 0.02em;
}

.logo-bottom {
  font-weight: 500;
  font-size: 0.88rem;
}

.nav-links {
  display: none;
  align-items: center;
  gap: 1.6rem;
}

.nav-links a {
  color: #2b3530;
  font-size: 0.92rem;
  font-weight: 500;
  transition: color 0.2s ease;
}

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

.nav-cta {
  display: none;
}

.menu-toggle {
  width: 2.5rem;
  height: 2.5rem;
  border: none;
  background: transparent;
  display: grid;
  place-items: center;
  cursor: pointer;
}

.menu-toggle span {
  display: block;
  width: 1.35rem;
  height: 2px;
  background: #1a1a1a;
  margin: 0.18rem 0;
  border-radius: 2px;
  transition: transform 0.2s ease, opacity 0.2s ease;
}

.menu-toggle[aria-expanded="true"] span:nth-child(1) {
  transform: translateY(5.5px) rotate(45deg);
}

.menu-toggle[aria-expanded="true"] span:nth-child(2) {
  opacity: 0;
}

.menu-toggle[aria-expanded="true"] span:nth-child(3) {
  transform: translateY(-5.5px) rotate(-45deg);
}

.mobile-nav {
  display: none;
  flex-direction: column;
  gap: 0.85rem;
  padding: 0 1rem 1.25rem;
  border-top: 1px solid var(--border);
}

.mobile-nav.open {
  display: flex;
}

.mobile-nav a {
  font-weight: 500;
  padding: 0.35rem 0;
}

.mobile-nav .btn {
  width: fit-content;
  margin-top: 0.35rem;
}

/* Hero */
.hero-wrap {
  padding: 0.75rem 0 1.5rem;
}

.hero {
  position: relative;
  min-height: min(78vh, 38rem);
  border-radius: 1.75rem;
  overflow: hidden;
  background: #1a221c center / cover no-repeat;
  display: flex;
  align-items: flex-end;
  animation: heroIn 0.9s ease both;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(
    180deg,
    rgba(10, 18, 12, 0.15) 0%,
    rgba(10, 18, 12, 0.55) 55%,
    rgba(10, 18, 12, 0.78) 100%
  );
}

.hero-content {
  position: relative;
  z-index: 1;
  padding: 2rem 1.5rem 2.25rem;
  max-width: 38rem;
}

.hero h1 {
  color: var(--white);
  font-size: clamp(1.7rem, 4.5vw, 3rem);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.03em;
}

.hero p {
  margin: 0.85rem 0 1.35rem;
  color: rgba(255, 255, 255, 0.95);
  font-size: clamp(0.95rem, 1.6vw, 1.1rem);
  text-shadow: 0 2px 12px rgba(0, 0, 0, 0.4);
}

@keyframes heroIn {
  from {
    opacity: 0;
    transform: translateY(12px) scale(0.985);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

/* About */
.about-grid {
  display: grid;
  gap: 2rem;
  align-items: center;
}

.about-logos {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 0.85rem 1.1rem;
  margin: 0.85rem 0 1.25rem;
}

.about-logos img {
  height: 3.25rem;
  width: auto;
  object-fit: contain;
}

.about-copy h2 {
  color: var(--green);
  font-size: clamp(1.5rem, 2.5vw, 2rem);
  line-height: 1.25;
  letter-spacing: -0.02em;
  margin-bottom: 1rem;
}

.about-copy p {
  color: var(--text-soft);
  font-size: 1rem;
}

.about-copy p strong {
  color: var(--green);
}

.video-thumb {
  position: relative;
  display: block;
  width: 100%;
  aspect-ratio: 16 / 10;
  border: 0;
  padding: 0;
  border-radius: var(--radius);
  overflow: hidden;
  cursor: pointer;
  background: #1a211e;
  isolation: isolate;
}

.video-thumb:focus-visible {
  outline: 2px solid var(--green);
  outline-offset: 3px;
}

.video-thumb-image,
.video-thumb iframe {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  border: 0;
}

.video-thumb-play {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  z-index: 1;
  background: rgba(20, 28, 24, 0.28);
  transition: background 0.25s ease;
}

.video-thumb-play svg {
  width: 3.25rem;
  height: 3.25rem;
  color: #fff;
  filter: drop-shadow(0 4px 12px rgba(0, 0, 0, 0.35));
  background: rgba(47, 93, 58, 0.92);
  border-radius: 50%;
  padding: 0.85rem 0.75rem 0.85rem 0.95rem;
  box-sizing: content-box;
}

.video-thumb:hover .video-thumb-play,
.video-thumb:focus-visible .video-thumb-play {
  background: rgba(20, 28, 24, 0.4);
}

.video-thumb.is-playing .video-thumb-image,
.video-thumb.is-playing .video-thumb-play {
  display: none;
}

/* Stats */
.stats-grid {
  display: grid;
  gap: 1rem;
  margin-top: 2rem;
  grid-template-columns: 1fr;
}

.stat-card {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem 1.1rem;
  text-align: center;
  background: var(--white);
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.stat-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow);
}

.stat-value {
  color: var(--green);
  font-size: clamp(1.35rem, 2.2vw, 1.7rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 0.55rem;
}

.stat-label {
  color: var(--text-soft);
  font-size: 0.88rem;
  line-height: 1.45;
}

/* Circular economy */
.flow-stack {
  display: grid;
  gap: 1.25rem;
  margin-top: 2rem;
}

.flow-panel {
  border: 1px solid var(--border);
  border-radius: 1.5rem;
  padding: 1.35rem;
  background: var(--white);
}

.flow-head {
  display: flex;
  gap: 0.85rem;
  align-items: flex-start;
  margin-bottom: 1.15rem;
}

.step-num {
  flex-shrink: 0;
  width: 2rem;
  height: 2rem;
  border-radius: 999px;
  background: var(--green);
  color: var(--white);
  display: grid;
  place-items: center;
  font-weight: 700;
  font-size: 0.9rem;
}

.flow-head h3 {
  color: var(--green);
  font-size: 1.15rem;
  margin-bottom: 0.25rem;
}

.flow-head p {
  color: var(--text-soft);
  font-size: 0.92rem;
}

.sort-grid {
  display: grid;
  gap: 0.85rem;
}

.sort-card {
  background: var(--mint-card);
  border-radius: var(--radius-sm);
  padding: 1.1rem;
}

.sort-icon {
  width: 2.35rem;
  height: 2.35rem;
  border-radius: 999px;
  background: var(--green);
  color: var(--white);
  display: grid;
  place-items: center;
  margin-bottom: 0.75rem;
}

.sort-icon svg {
  width: 1.15rem;
  height: 1.15rem;
  fill: currentColor;
}

.sort-card h4 {
  color: var(--green);
  margin-bottom: 0.35rem;
  font-size: 1rem;
}

.sort-card p {
  color: var(--text-soft);
  font-size: 0.88rem;
}

.method-grid {
  display: grid;
  gap: 1rem;
}

.method-card {
  background: #f7faf7;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--border);
}

.method-card img {
  width: 100%;
  aspect-ratio: 16 / 8;
  object-fit: cover;
}

.method-card-body {
  padding: 1rem 1.05rem 1.2rem;
}

.method-card h4 {
  color: var(--green);
  margin-bottom: 0.4rem;
}

.method-card p {
  color: var(--text-soft);
  font-size: 0.9rem;
}

.method-card p strong {
  color: var(--green);
}

.products-layout {
  display: grid;
  gap: 1.25rem;
}

.products-intro .btn {
  margin-top: 1.1rem;
}

.product-grid {
  display: grid;
  gap: 0.85rem;
  grid-template-columns: 1fr;
}

.product-card {
  background: var(--mint);
  border-radius: var(--radius-sm);
  padding: 1.1rem;
}

.product-card h4 {
  color: var(--green);
  margin-bottom: 0.4rem;
  font-size: 0.98rem;
}

.product-card p {
  color: var(--text-soft);
  font-size: 0.86rem;
}

.product-card p strong {
  color: var(--green);
}

/* Location */
.lokasi-stage {
  position: relative;
  margin-top: 1rem;
  min-height: 18rem;
}

.lokasi-stage img {
  width: 100%;
  height: 100%;
  min-height: 18rem;
  object-fit: cover;
  border-radius: 1.5rem;
}

.lokasi-card {
  position: relative;
  margin: -4.5rem 1rem 0 auto;
  width: min(100%, 22rem);
  background: var(--white);
  border-radius: var(--radius);
  padding: 1.35rem;
  box-shadow: var(--shadow);
}

.lokasi-card h3 {
  color: var(--green);
  margin-bottom: 0.55rem;
  font-size: 1.15rem;
}

.lokasi-card p {
  color: var(--green-muted);
  font-size: 0.92rem;
  margin-bottom: 1rem;
}

/* Partnership */
.partner-block {
  display: grid;
  gap: 1.5rem;
  align-items: center;
  margin-top: 1.75rem;
}

.partner-block + .partner-block {
  margin-top: 3rem;
  padding-top: 2.5rem;
  border-top: 1px solid var(--border);
}

.photo-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
}

.photo-grid img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  border-radius: 1rem;
}

.partner-copy h3 {
  color: var(--green);
  font-size: clamp(1.35rem, 2.2vw, 1.85rem);
  line-height: 1.25;
  letter-spacing: -0.02em;
  margin-bottom: 0.85rem;
}

.partner-copy p {
  color: var(--text-soft);
  margin-bottom: 1.2rem;
}

.partner-copy p strong {
  color: var(--green);
}

.pln-logo-wrap {
  display: grid;
  place-items: center;
  background: var(--mint);
  border-radius: var(--radius);
  min-height: 12rem;
  padding: 1.5rem;
}

.pln-logo-wrap img {
  width: min(100%, 18rem);
}

/* Footer */
.site-footer {
  background: var(--footer);
  color: #d7ddd9;
  padding: 3.5rem 0 1.5rem;
}

.footer-grid {
  display: grid;
  gap: 2rem;
}

.footer-logos {
  display: inline-flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.65rem 0.85rem;
  background: var(--white);
  border-radius: 0.65rem;
  padding: 0.55rem 0.75rem;
  margin-bottom: 1.1rem;
}

.footer-logos img {
  height: 2.35rem;
  width: auto;
  object-fit: contain;
}

.footer-brand h3,
.footer-col h4 {
  color: var(--white);
  margin-bottom: 0.75rem;
}

.footer-brand p,
.footer-col p,
.footer-col a {
  color: #b8c2bc;
  font-size: 0.92rem;
}

.footer-col a:hover {
  color: var(--white);
}

.footer-bottom {
  margin-top: 2.5rem;
  padding-top: 1.25rem;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  font-size: 0.8rem;
  color: #9aa59e;
  text-align: center;
}

/* Reveal motion */
.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal.visible {
  opacity: 1;
  transform: none;
}

/* Desktop */
@media (min-width: 768px) {
  .container {
    width: min(100% - 3rem, var(--container));
  }

  .menu-toggle {
    display: none;
  }

  .nav-links,
  .nav-cta {
    display: flex;
  }

  .mobile-nav {
    display: none !important;
  }

  .hero {
    min-height: min(78vh, 42rem);
  }

  .hero-content {
    padding: 3rem 3rem 3.25rem;
  }

  .about-grid {
    grid-template-columns: 1fr 1.05fr;
    gap: 2.5rem;
  }

  .about-logos {
    margin-top: 0;
    justify-content: flex-start;
  }

  .about-logos img {
    height: 3.6rem;
  }

  .footer-logos img {
    height: 2.6rem;
  }

  .stats-grid {
    grid-template-columns: repeat(4, 1fr);
  }

  .sort-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .method-grid {
    grid-template-columns: 1fr 1fr;
  }

  .products-layout {
    grid-template-columns: 0.85fr 1.6fr;
    align-items: start;
  }

  .product-grid {
    grid-template-columns: 1fr 1fr;
  }

  .lokasi-stage {
    min-height: 24rem;
  }

  .lokasi-stage img {
    min-height: 24rem;
  }

  .lokasi-card {
    position: absolute;
    right: 1.5rem;
    bottom: 1.5rem;
    margin: 0;
  }

  .partner-block {
    grid-template-columns: 1fr 1fr;
    gap: 2.5rem;
  }

  .footer-grid {
    grid-template-columns: 1.4fr 1fr 1fr;
  }
}

@media (min-width: 1024px) {
  .flow-panel.pemilahan,
  .flow-panel.metode,
  .flow-panel.produk {
    display: grid;
    grid-template-columns: 0.85fr 1.6fr;
    gap: 1.5rem;
    align-items: start;
  }

  .flow-panel.produk .products-layout {
    display: contents;
  }

  .flow-panel.produk .products-intro {
    grid-column: 1;
  }

  .flow-panel.produk .product-grid {
    grid-column: 2;
    grid-template-columns: 1fr 1fr;
  }

  .product-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1100px) {
  .flow-panel.produk .product-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}