:root {
  --ink: #0f1a1c;
  --muted: #5b6b72;
  --accent: #1b6f6a;
  --accent-dark: #124743;
  --sand: #f2f0ea;
  --fog: #f7f7f4;
  --line: #d8ddd7;
  --card: #ffffff;
  --shadow: 0 18px 45px rgba(15, 26, 28, 0.12);
  --radius: 18px;
}

[data-theme="dark"] {
  --ink: #edf1f0;
  --muted: #b7c2c1;
  --accent: #6bc0b6;
  --accent-dark: #3c8f86;
  --sand: #1a2426;
  --fog: #111a1c;
  --line: #2a3a3d;
  --card: #151f21;
  --shadow: 0 18px 45px rgba(0, 0, 0, 0.45);
}

html {
  scroll-behavior: smooth;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Montserrat", sans-serif;
  color: var(--ink);
  background: var(--fog);
  line-height: 1.6;
}

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

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

.container {
  width: min(1200px, 92%);
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(247, 247, 244, 0.96);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
}

.nav-wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 0;
  gap: 18px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 700;
}

.brand-mark {
  width: 36px;
  height: 36px;
  background: var(--accent);
  border-radius: 10px;
  position: relative;
}

.brand-mark::after {
  content: "";
  position: absolute;
  inset: 8px;
  border: 2px solid #fff;
  border-radius: 6px;
}

.brand-text {
  font-size: 0.95rem;
}

.nav {
  display: flex;
  gap: 20px;
  font-size: 0.9rem;
  color: var(--muted);
}

.nav a:hover {
  color: var(--accent-dark);
}

.nav-cta {
  display: flex;
  align-items: center;
  gap: 12px;
}

.theme-toggle {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 18px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: var(--card);
  color: var(--ink);
  font-weight: 600;
  cursor: pointer;
  transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
}

.theme-toggle .theme-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 22px;
  height: 22px;
  transition: transform 0.3s ease, opacity 0.3s ease;
}

.theme-toggle svg {
  width: 20px;
  height: 20px;
}

.theme-toggle .sun {
  opacity: 1;
  transform: scale(1);
}

.theme-toggle .moon {
  opacity: 0;
  transform: scale(0.8);
}

[data-theme="dark"] .theme-toggle .sun {
  opacity: 0;
  transform: scale(0.8);
}

[data-theme="dark"] .theme-toggle .moon {
  opacity: 1;
  transform: scale(1);
}

.theme-toggle:hover {
  transform: translateY(-1px);
  box-shadow: 0 12px 25px rgba(15, 26, 28, 0.18);
}

.panel-card,
.service-card,
.project-card,
.testimonial-grid article,
.pricing-grid article,
.value-prop-card,
.compliance-card,
.insight-grid article,
.contact-form {
  transition: transform 0.35s ease, box-shadow 0.35s ease, border-color 0.35s ease;
}

.panel-card:hover,
.service-card:hover,
.project-card:hover,
.value-card,
.testimonial-grid article:hover,
.pricing-grid article:hover,
.value-prop-card:hover,
.compliance-card:hover,
.insight-grid article:hover,
.contact-form:hover {
  transform: translateY(-6px) scale(1.02);
  box-shadow: 0 20px 50px rgba(15, 26, 28, 0.18);
  border-color: color-mix(in srgb, var(--accent) 35%, var(--line));
}

.nav-toggle {
  display: none;
  background: none;
  border: none;
  width: 44px;
  height: 44px;
  padding: 8px;
  gap: 6px;
  flex-direction: column;
  justify-content: center;
  cursor: pointer;
}

.nav-toggle span {
  width: 100%;
  height: 2px;
  background: var(--ink);
  display: block;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 24px;
  border-radius: 999px;
  font-weight: 600;
  letter-spacing: 0.2px;
  border: 1px solid transparent;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 30px rgba(15, 26, 28, 0.18);
}

.btn-primary {
  background: var(--accent);
  color: #fff;
}

.btn-outline {
  border-color: var(--accent);
  color: var(--accent);
  background: var(--card);
}

.hero {
  position: relative;
  padding: 120px 0 80px;
  overflow: hidden;
  background: var(--sand);
}

.hero-bg {
  position: absolute;
  inset: 0;
  background: url("https://images.unsplash.com/photo-1509391366360-2e959784a276?auto=format&fit=crop&w=1400&q=80") center/cover;
  opacity: 0.15;
}

.hero-content {
  position: relative;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 48px;
  align-items: center;
}

.eyebrow {
  text-transform: uppercase;
  letter-spacing: 2px;
  font-size: 0.75rem;
  color: var(--accent-dark);
  font-weight: 600;
}

.hero h1 {
  font-family: "Source Serif 4", serif;
  font-size: clamp(2.2rem, 4vw, 3.4rem);
  margin: 12px 0 16px;
}

.lead {
  color: var(--muted);
  font-size: 1.05rem;
}

.hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin: 24px 0;
}

.hero-benefits {
  list-style: none;
  padding: 0;
  margin: 24px 0 0;
  display: grid;
  gap: 12px;
  color: var(--muted);
}

.hero-benefits li::before {
  content: "";
  display: inline-block;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--accent);
  margin-right: 12px;
}

.hero-card {
  background: var(--card);
  padding: 28px;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.chart {
  display: grid;
  gap: 12px;
  margin: 18px 0 24px;
}

.chart-bar {
  background: var(--line);
  border-radius: 999px;
  overflow: hidden;
  position: relative;
  height: 38px;
}

.chart-bar::after {
  content: "";
  position: absolute;
  inset: 0;
  width: var(--value);
  background: var(--accent);
  border-radius: 999px;
}

.chart-bar span {
  position: relative;
  z-index: 2;
  display: block;
  font-size: 0.85rem;
  padding: 8px 14px;
  color: #fff;
  font-weight: 600;
}

.badge-row {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.badge {
  background: var(--sand);
  border: 1px solid var(--line);
  padding: 6px 12px;
  border-radius: 999px;
  font-size: 0.8rem;
  color: var(--muted);
}

.stats {
  padding: 40px 0;
  background: var(--card);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
}

.stat {
  padding: 18px;
  border-left: 2px solid var(--accent);
}

.stat-value {
  font-weight: 700;
  font-size: 1.2rem;
}

.stat-label {
  color: var(--muted);
  font-size: 0.9rem;
}

section {
  padding: 80px 0;
}

.value-prop {
  background: var(--sand);
}

.value-prop-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
  margin-top: 24px;
}

.value-prop-card {
  background: var(--card);
  padding: 20px;
  border-radius: 16px;
  border: 1px solid var(--line);
}

.split {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 48px;
  align-items: start;
}

.about-panel {
  display: grid;
  gap: 16px;
}

.panel-card {
  background: var(--card);
  padding: 24px;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.value-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.value-card {
  background: var(--card);
  padding: 18px;
  border-radius: 14px;
  border: 1px solid var(--line);
}

.section-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 24px;
  margin-bottom: 32px;
}

.section-desc {
  color: var(--muted);
  max-width: 520px;
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 20px;
}

.service-card {
  background: var(--card);
  padding: 22px;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  display: grid;
  gap: 12px;
}

.icon {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: var(--sand);
  display: grid;
  place-items: center;
  color: var(--accent);
}

.icon svg {
  width: 24px;
  height: 24px;
}

.service-card ul {
  list-style: none;
  padding: 0;
  margin: 0;
  color: var(--muted);
  display: grid;
  gap: 8px;
}

.how-it-works {
  background: var(--card);
}

.steps {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
  margin-top: 24px;
}

.step {
  background: var(--sand);
  padding: 20px;
  border-radius: 16px;
  border: 1px solid var(--line);
}

.step span {
  display: inline-flex;
  width: 34px;
  height: 34px;
  align-items: center;
  justify-content: center;
  background: var(--accent);
  color: #fff;
  border-radius: 50%;
  font-weight: 600;
  margin-bottom: 12px;
}

.project-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
}

.project-card {
  background: var(--card);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow: hidden;
  display: grid;
  gap: 12px;
  padding-bottom: 20px;
}

.project-card h3,
.project-card p {
  margin: 0 20px;
}

.project-image {
  height: 180px;
  background-size: cover;
  background-position: center;
}

.img-1 { background-image: url("https://sunenergy.id/cfind/source/images/upload/66382923d9bde.jpg"); }
.img-2 { background-image: url("https://alibabanews.oss-accelerate.aliyuncs.com/id/2022/03/60814a548d76b008756dbee50bb5269c.jpg?x-oss-process=style%2Flarge"); }
.img-3 { background-image: url("https://koranjuri.com/wp-content/uploads/2025/05/plts-atap-1-1536x864.jpg"); }
.img-4 { background-image: url("https://sunenergy.id/cfind/source/thumb/images/upload/cover_w880_h478_6438f52cd2103.jpg"); }
.img-5 { background-image: url("https://images.bisnis.com/posts/2025/11/13/1928538/4_keterangan_foto__penampakan_plts_atap_seluas_1.123_m_di_primaya_hospital_karawang_1_1763015210.jpg"); }
.img-6 { background-image: url("https://suryaenergi.co.id/wp-content/uploads/2024/10/DJI_0259_11zon-scaled-1.jpg"); }

.testimonials {
  background: var(--sand);
}

.testimonial-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
  margin-top: 24px;
}

.testimonial-grid article {
  background: var(--card);
  padding: 22px;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.calculator {
  background: var(--card);
}

.calc-form {
  display: grid;
  gap: 12px;
}

.calc-form input {
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-radius: 10px;
  font-size: 1rem;
  background: var(--card);
  color: var(--ink);
}

.calc-result {
  margin-top: 16px;
  padding: 16px;
  border-radius: 12px;
  background: var(--sand);
  font-weight: 600;
}

.progress-card {
  background: var(--sand);
  padding: 24px;
  border-radius: var(--radius);
}

.timeline {
  display: grid;
  gap: 16px;
  margin-top: 16px;
}

.timeline-item {
  border-left: 3px solid var(--accent);
  padding-left: 16px;
}

.pricing {
  background: var(--sand);
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
  margin-top: 24px;
}

.pricing-grid article {
  background: var(--card);
  padding: 24px;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.price {
  font-weight: 700;
  color: var(--accent-dark);
}

.compliance {
  background: var(--card);
}

.compliance-list {
  padding-left: 18px;
  color: var(--muted);
}

.compliance-cards {
  display: grid;
  gap: 16px;
}

.compliance-card {
  background: var(--sand);
  padding: 20px;
  border-radius: 14px;
  border: 1px solid var(--line);
}

.faq {
  background: var(--sand);
}

.faq-list {
  display: grid;
  gap: 12px;
  margin-top: 24px;
}

.faq details {
  background: var(--card);
  padding: 16px 20px;
  border-radius: 12px;
  border: 1px solid var(--line);
}

.faq details {
  overflow: hidden;
  transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

.faq summary {
  cursor: pointer;
  list-style: none;
  font-weight: 600;
}

.faq summary::-webkit-details-marker {
  display: none;
}

.faq summary::after {
  content: "+";
  float: right;
  color: var(--accent);
}

.faq details[open] summary::after {
  content: "?";
}

.faq details p {
  margin: 10px 0 0;
  max-height: 0;
  opacity: 0;
  transform: translateY(-6px);
  transition: max-height 0.35s ease, opacity 0.35s ease, transform 0.35s ease;
}

.faq details[open] p {
  max-height: 200px;
  opacity: 1;
  transform: translateY(0);
}

.insights {
  background: var(--card);
}

.insight-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
  margin-top: 24px;
}

.insight-grid article {
  background: var(--sand);
  padding: 20px;
  border-radius: 14px;
  border: 1px solid var(--line);
}

.contact {
  background: var(--sand);
}

.contact-info {
  margin: 20px 0 24px;
}

.contact-form {
  background: var(--card);
  padding: 24px;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  display: grid;
  gap: 12px;
}

.contact-form input,
.contact-form textarea {
  padding: 10px 12px;
  border-radius: 10px;
  border: 1px solid var(--line);
  font-family: inherit;
  background: var(--card);
  color: var(--ink);
}

.map {
  margin-top: 24px;
  border-radius: 16px;
  overflow: hidden;
  border: 1px solid var(--line);
}

.map iframe {
  width: 100%;
  height: 200px;
  border: 0;
}

.final-cta {
  margin-top: 20px;
  background: var(--sand);
  padding: 20px;
  border-radius: 14px;
}

.site-footer {
  background: #111c1e;
  color: #fff;
  padding: 40px 0 20px;
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
}

.footer-grid a {
  display: block;
  margin-top: 8px;
  color: #d6dddc;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  margin-top: 20px;
  padding-top: 16px;
  text-align: center;
  color: #b9c3c2;
}

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

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 1000px) {
  .hero-content,
  .split,
  .card-grid,
  .project-grid,
  .testimonial-grid,
  .pricing-grid,
  .insight-grid,
  .stats-grid,
  .value-prop-grid,
  .value-grid,
  .steps,
  .footer-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 780px) {
  .nav {
    position: fixed;
    inset: 70px 20px auto;
    background: var(--card);
    padding: 20px;
    border-radius: 16px;
    box-shadow: var(--shadow);
    flex-direction: column;
    gap: 14px;
    opacity: 0;
    pointer-events: none;
    transform: translateY(-10px);
    transition: 0.3s ease;
  }

  .nav.open {
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0);
  }

  .nav-toggle {
    display: flex;
  }

  .nav-cta {
    display: none;
  }

  .hero-content,
  .split {
    grid-template-columns: 1fr;
  }

  .section-head {
    flex-direction: column;
    align-items: flex-start;
  }

  .section-head .btn {
    align-self: stretch;
    text-align: center;
  }

  .card-grid,
  .project-grid,
  .testimonial-grid,
  .pricing-grid,
  .insight-grid,
  .stats-grid,
  .value-prop-grid,
  .value-grid,
  .steps,
  .footer-grid {
    grid-template-columns: 1fr;
  }

  .hero {
    padding-top: 100px;
  }
}

input::placeholder,
textarea::placeholder {
  color: var(--muted);
}

[data-theme="dark"] .site-header {
  background: rgba(17, 26, 28, 0.92);
}