:root {
  --orange: #f7941d;
  --green: #4caf50;
  --dark-green: #2e7d32;
  --blue: #1e3a8a;
  --red: #d32f2f;
  --yellow: #ffc107;
  --dark: #14213d;
  --light-bg: #f7f9fc;
  --white: #ffffff;
  --gray: #6b7280;
  --shadow: 0 10px 30px rgba(20, 33, 61, 0.08);
}

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

body {
  font-family: 'Segoe UI', Roboto, Arial, sans-serif;
  color: var(--dark);
  line-height: 1.6;
  background: var(--white);
}

a { text-decoration: none; color: inherit; }
ul { list-style: none; }
img { max-width: 100%; display: block; }
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }

.section { padding: 80px 0; }
.section-tag {
  display: inline-block;
  color: var(--dark-green);
  background: #e8f5e9;
  padding: 6px 16px;
  border-radius: 20px;
  font-weight: 600;
  font-size: 14px;
  margin-bottom: 14px;
}
.section-title {
  font-size: 36px;
  font-weight: 800;
  margin-bottom: 16px;
  color: var(--dark);
}
.section-desc {
  color: var(--gray);
  max-width: 640px;
  margin-bottom: 40px;
  font-size: 16px;
}
.center { text-align: center; margin-left: auto; margin-right: auto; }

/* Buttons */
.btn {
  display: inline-block;
  padding: 14px 32px;
  border-radius: 50px;
  font-weight: 700;
  font-size: 15px;
  cursor: pointer;
  border: none;
  transition: all 0.25s ease;
}
.btn-primary {
  background: linear-gradient(135deg, var(--orange), var(--yellow));
  color: var(--dark);
  box-shadow: 0 8px 20px rgba(247, 148, 29, 0.35);
}
.btn-primary:hover { transform: translateY(-3px); box-shadow: 0 12px 26px rgba(247, 148, 29, 0.45); }
.btn-outline {
  background: transparent;
  border: 2px solid var(--white);
  color: var(--white);
}
.btn-outline:hover { background: var(--white); color: var(--blue); }
.btn-dark {
  background: var(--blue);
  color: var(--white);
}
.btn-dark:hover { background: var(--dark); }

/* Top info bar */
.topbar {
  background: var(--dark);
  color: var(--white);
  font-size: 13px;
  padding: 8px 0;
}
.topbar .container { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 8px; }
.topbar span { margin-right: 20px; color: #cbd5e1; }
.topbar .badge {
  background: var(--green);
  color: var(--white);
  padding: 2px 10px;
  border-radius: 10px;
  font-weight: 600;
}

/* Navbar */
.navbar {
  background: var(--white);
  box-shadow: 0 2px 12px rgba(0,0,0,0.06);
  position: sticky;
  top: 0;
  z-index: 100;
}
.navbar .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 12px;
  padding-bottom: 12px;
}
.logo { display: flex; align-items: center; gap: 10px; }
.logo img { height: 54px; width: auto; }
.logo-text { line-height: 1.2; }
.logo-text .brand-hi { color: var(--red); font-weight: 800; font-size: 20px; }
.logo-text .brand-sub { color: var(--dark-green); font-size: 12px; font-weight: 600; }
.nav-links { display: flex; gap: 32px; align-items: center; }
.nav-links a {
  font-weight: 600;
  color: var(--dark);
  font-size: 15px;
  position: relative;
}
.nav-links a:hover { color: var(--orange); }
.nav-cta { display: flex; align-items: center; gap: 14px; }
.nav-toggle { display: none; font-size: 26px; cursor: pointer; background: none; border: none; }

/* Hero */
.hero {
  background: linear-gradient(120deg, var(--blue) 0%, #163172 60%, var(--dark) 100%);
  color: var(--white);
  position: relative;
  overflow: hidden;
}
.hero .container {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 50px;
  align-items: center;
  padding-top: 90px;
  padding-bottom: 90px;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255,255,255,0.1);
  border: 1px solid rgba(255,255,255,0.25);
  padding: 8px 18px;
  border-radius: 30px;
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 22px;
  color: var(--yellow);
}
.hero h1 { font-size: 48px; font-weight: 800; line-height: 1.2; margin-bottom: 20px; }
.hero h1 span { color: var(--yellow); }
.hero p { color: #cbd5e1; font-size: 17px; margin-bottom: 32px; max-width: 520px; }
.hero-actions { display: flex; gap: 16px; margin-bottom: 40px; flex-wrap: wrap; }
.hero-stats { display: flex; gap: 40px; flex-wrap: wrap; }
.hero-stats div strong { display: block; font-size: 28px; color: var(--yellow); font-weight: 800; }
.hero-stats div span { font-size: 13px; color: #cbd5e1; }
.hero-visual {
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.15);
  border-radius: 24px;
  padding: 30px;
  text-align: center;
}
.hero-visual img { border-radius: 16px; width: 100%; }

/* 360-degree spinning solar panel animation */
.solar-spin-stage {
  position: relative;
  height: 260px;
  display: flex;
  align-items: center;
  justify-content: center;
  perspective: 900px;
}
.solar-spin-sun {
  position: absolute;
  top: 8px;
  right: 24px;
  width: 46px;
  height: 46px;
  border-radius: 50%;
  background: radial-gradient(circle at 35% 35%, #fff6c8, var(--yellow));
  box-shadow: 0 0 30px 8px rgba(255, 200, 40, 0.55);
  animation: solarPulse 2.4s ease-in-out infinite;
}
.solar-spin-panel {
  position: relative;
  width: 170px;
  height: 170px;
  transform-style: preserve-3d;
  animation: solarSpin360 6s linear infinite;
}
.solar-spin-grid {
  position: absolute;
  inset: 0;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  grid-template-rows: repeat(3, 1fr);
  gap: 3px;
  background: linear-gradient(145deg, #1d3557, #0d1b2a);
  border-radius: 10px;
  padding: 6px;
  box-shadow: 0 18px 40px rgba(0,0,0,0.45), inset 0 0 0 2px rgba(255,255,255,0.08);
  backface-visibility: visible;
}
.solar-spin-grid span {
  background: linear-gradient(160deg, #2563eb, #1e3a8a);
  border: 1px solid rgba(147, 197, 253, 0.55);
  border-radius: 2px;
}
.solar-spin-frame {
  position: absolute;
  inset: -6px;
  border: 3px solid var(--yellow);
  border-radius: 14px;
  opacity: 0.85;
}
.solar-spin-stand {
  position: absolute;
  bottom: 6px;
  width: 6px;
  height: 46px;
  background: linear-gradient(180deg, #94a3b8, #475569);
  border-radius: 3px;
  z-index: -1;
}
@keyframes solarSpin360 {
  from { transform: rotateY(0deg); }
  to { transform: rotateY(360deg); }
}
@keyframes solarPulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.75; transform: scale(1.08); }
}
@media (prefers-reduced-motion: reduce) {
  .solar-spin-panel { animation: none; }
  .solar-spin-sun { animation: none; }
}

.subsidy-callout {
  margin-top: 20px;
  background: linear-gradient(135deg, var(--yellow), var(--orange));
  color: var(--dark);
  border-radius: 14px;
  padding: 16px 20px;
  font-weight: 700;
  text-align: left;
}
.subsidy-callout small { display: block; font-weight: 500; font-size: 12px; margin-top: 4px; }

/* Marquee / brand strip */
.brand-strip {
  background: var(--white);
  border-bottom: 1px solid #eef1f6;
  padding: 28px 0;
}
.brand-strip .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 30px;
}
.brand-strip .label { font-size: 13px; color: var(--gray); font-weight: 600; white-space: nowrap; }
.brand-strip .logos { display: flex; gap: 34px; flex-wrap: wrap; align-items: center; }
.brand-strip .logos span {
  font-weight: 800;
  color: var(--dark);
  font-size: 16px;
  opacity: 0.75;
}

/* Why us / features */
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 26px;
}
.feature-card {
  background: var(--white);
  border: 1px solid #eef1f6;
  border-radius: 18px;
  padding: 30px;
  box-shadow: var(--shadow);
  transition: transform 0.25s ease;
}
.feature-card:hover { transform: translateY(-6px); }
.feature-icon {
  width: 54px; height: 54px;
  border-radius: 14px;
  display: flex; align-items: center; justify-content: center;
  font-size: 24px;
  margin-bottom: 18px;
}
.feature-card:nth-child(6n+1) .feature-icon { background: #fff3e0; color: var(--orange); }
.feature-card:nth-child(6n+2) .feature-icon { background: #e8f5e9; color: var(--dark-green); }
.feature-card:nth-child(6n+3) .feature-icon { background: #e3f2fd; color: var(--blue); }
.feature-card:nth-child(6n+4) .feature-icon { background: #fce4ec; color: var(--red); }
.feature-card:nth-child(6n+5) .feature-icon { background: #fff8e1; color: #f9a825; }
.feature-card:nth-child(6n+6) .feature-icon { background: #e0f2f1; color: #00796b; }
.feature-card h3 { font-size: 19px; margin-bottom: 10px; }
.feature-card p { color: var(--gray); font-size: 14.5px; }

/* Services */
.dark-section { background: var(--dark); color: var(--white); }
.dark-section .section-desc { color: #94a3b8; }
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.service-card {
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 18px;
  overflow: hidden;
  transition: transform 0.25s ease, border-color 0.25s ease;
}
.service-card:hover { transform: translateY(-6px); border-color: var(--orange); }
.service-card .img-wrap { height: 190px; overflow: hidden; }
.service-card .img-wrap img { width: 100%; height: 100%; object-fit: cover; }
.service-card .content { padding: 24px; }
.service-card h3 { font-size: 19px; margin-bottom: 10px; }
.service-card p { color: #94a3b8; font-size: 14px; margin-bottom: 16px; }
.service-card a { color: var(--yellow); font-weight: 700; font-size: 14px; }

/* Work / gallery */
.work-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.work-card {
  position: relative;
  border-radius: 16px;
  overflow: hidden;
  box-shadow: var(--shadow);
  height: 260px;
}
.work-card img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.4s ease; }
.work-card:hover img { transform: scale(1.08); }
.work-card .overlay {
  position: absolute; inset: 0;
  background: linear-gradient(to top, rgba(20,33,61,0.85), transparent 60%);
  display: flex; align-items: flex-end;
  padding: 20px;
  color: var(--white);
  font-weight: 700;
}
.work-card.large { grid-column: span 2; height: 340px; }

/* Testimonials */
.testimonial-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.testimonial-card {
  background: var(--white);
  border-radius: 18px;
  padding: 28px;
  box-shadow: var(--shadow);
  border: 1px solid #eef1f6;
}
.stars { color: var(--yellow); font-size: 16px; margin-bottom: 14px; }
.testimonial-card p { color: var(--gray); font-size: 14.5px; margin-bottom: 18px; }
.testimonial-user { display: flex; align-items: center; gap: 12px; }
.testimonial-avatar {
  width: 42px; height: 42px; border-radius: 50%;
  background: var(--green); color: var(--white);
  display: flex; align-items: center; justify-content: center;
  font-weight: 700;
}
.testimonial-user strong { display: block; font-size: 14.5px; }
.testimonial-user span { font-size: 12.5px; color: var(--gray); }

/* Subsidy / loan section */
.subsidy-section {
  background: linear-gradient(135deg, #e8f5e9, #fff8e1);
}
.subsidy-cards { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
.subsidy-card {
  background: var(--white);
  border-radius: 18px;
  padding: 30px;
  box-shadow: var(--shadow);
}
.subsidy-card h3 { color: var(--dark-green); font-size: 20px; margin-bottom: 14px; }
.subsidy-card ul li { padding: 6px 0; font-size: 14.5px; color: var(--dark); display: flex; gap: 10px; }
.subsidy-card ul li::before { content: "✓"; color: var(--dark-green); font-weight: 800; }

/* Contact */
.contact-wrap {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 40px;
}
.contact-info-card {
  background: var(--blue);
  color: var(--white);
  border-radius: 20px;
  padding: 36px;
}
.contact-info-card h3 { font-size: 24px; margin-bottom: 20px; }
.contact-info-item { display: flex; gap: 14px; margin-bottom: 22px; align-items: flex-start; }
.contact-info-item .icon {
  width: 40px; height: 40px; border-radius: 10px;
  background: rgba(255,255,255,0.12);
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
.contact-info-item strong { display: block; font-size: 14px; margin-bottom: 2px; }
.contact-info-item span, .contact-info-item a { color: #cbd5e1; font-size: 14px; }

.contact-form-card {
  background: var(--white);
  border: 1px solid #eef1f6;
  border-radius: 20px;
  padding: 36px;
  box-shadow: var(--shadow);
}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-group { margin-bottom: 18px; }
.form-group label { display: block; font-size: 13.5px; font-weight: 600; margin-bottom: 6px; }
.form-group input, .form-group select, .form-group textarea {
  width: 100%;
  padding: 12px 14px;
  border: 1.5px solid #e2e8f0;
  border-radius: 10px;
  font-size: 14.5px;
  font-family: inherit;
  outline: none;
  transition: border-color 0.2s ease;
}
.form-group input:focus, .form-group select:focus, .form-group textarea:focus { border-color: var(--orange); }
.form-message { font-size: 14px; font-weight: 600; margin-top: 10px; display: none; }
.form-message.success { color: var(--dark-green); display: block; }
.form-message.error { color: var(--red); display: block; }

/* Footer */
.footer { background: var(--dark); color: #cbd5e1; padding: 60px 0 20px; }
.footer-grid { display: grid; grid-template-columns: 1.3fr 1fr 1fr 1fr 1fr; gap: 32px; margin-bottom: 40px; }
.footer h4 { color: var(--white); font-size: 16px; margin-bottom: 18px; }
.footer p { font-size: 14px; color: #94a3b8; }
.footer ul li { margin-bottom: 10px; }
.footer ul li a { font-size: 14px; color: #94a3b8; }
.footer ul li a:hover { color: var(--yellow); }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.08);
  padding-top: 20px;
  text-align: center;
  font-size: 13px;
  color: #64748b;
}
.social-row { display: flex; gap: 12px; margin-top: 14px; }
.social-row a {
  width: 36px; height: 36px; border-radius: 50%;
  background: rgba(255,255,255,0.08);
  display: flex; align-items: center; justify-content: center;
  font-size: 14px;
}
.social-row a:hover { background: var(--orange); }

/* Page header (inner pages) */
.page-header {
  background: linear-gradient(120deg, var(--blue), var(--dark));
  color: var(--white);
  padding: 70px 0;
  text-align: center;
}
.page-header h1 { font-size: 38px; font-weight: 800; margin-bottom: 10px; }
.page-header .crumbs { color: #94a3b8; font-size: 14px; }
.page-header .crumbs a { color: var(--yellow); }

/* Pricing table */
.pricing-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.price-card {
  background: var(--white);
  border: 1.5px solid #eef1f6;
  border-radius: 20px;
  padding: 34px 28px;
  text-align: center;
  box-shadow: var(--shadow);
  position: relative;
}
.price-card.featured { border-color: var(--orange); transform: scale(1.04); }
.price-card .tag {
  position: absolute; top: -14px; left: 50%; transform: translateX(-50%);
  background: var(--orange); color: var(--white);
  font-size: 12px; font-weight: 700; padding: 5px 16px; border-radius: 20px;
}
.price-card h3 { font-size: 18px; margin-bottom: 6px; }
.price-card .amount { font-size: 34px; font-weight: 800; color: var(--dark); margin: 14px 0; }
.price-card .amount span { font-size: 14px; color: var(--gray); font-weight: 500; }
.price-card ul { text-align: left; margin: 20px 0; }
.price-card ul li { padding: 7px 0; font-size: 14px; display: flex; gap: 10px; }
.price-card ul li::before { content: "✓"; color: var(--dark-green); font-weight: 800; }

/* Monthly electricity bill selector */
.bill-options {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px;
  margin-top: 6px;
}
.bill-option {
  display: flex;
  align-items: center;
  gap: 8px;
  border: 1.5px solid #e2e8f0;
  border-radius: 10px;
  padding: 10px 12px;
  font-size: 13.5px;
  cursor: pointer;
  transition: 0.15s;
  background: #fff;
}
.bill-option input { accent-color: var(--blue); }
.bill-option:has(input:checked) {
  border-color: var(--blue);
  background: rgba(30, 58, 138, 0.06);
  font-weight: 600;
}
@media (max-width: 480px) {
  .bill-options { grid-template-columns: 1fr; }
}

/* How It Works process */
.process-grid {
  display: flex;
  align-items: flex-start;
  justify-content: center;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 20px;
}
.process-step {
  flex: 1 1 150px;
  max-width: 170px;
  text-align: center;
  opacity: 0;
  transform: translateY(16px);
  animation: processFadeIn 0.6s ease forwards;
}
.process-step:nth-child(1) { animation-delay: 0.05s; }
.process-step:nth-child(3) { animation-delay: 0.2s; }
.process-step:nth-child(5) { animation-delay: 0.35s; }
.process-step:nth-child(7) { animation-delay: 0.5s; }
.process-step:nth-child(9) { animation-delay: 0.65s; }
.process-step:nth-child(11) { animation-delay: 0.8s; }
@keyframes processFadeIn {
  to { opacity: 1; transform: translateY(0); }
}
.process-num {
  width: 42px; height: 42px;
  border-radius: 50%;
  background: var(--blue);
  color: #fff;
  font-weight: 800;
  font-size: 18px;
  display: flex; align-items: center; justify-content: center;
  margin: 0 auto 12px;
}
.process-step h3 { font-size: 15.5px; margin-bottom: 6px; }
.process-step p { font-size: 13px; color: var(--gray); }
.process-arrow {
  align-self: center;
  color: var(--orange);
  font-size: 22px;
  font-weight: 700;
  margin-top: 20px;
}
@media (max-width: 900px) {
  .process-arrow { display: none; }
  .process-grid { gap: 24px 16px; }
}

/* Responsive */
@media (max-width: 900px) {
  .hero .container { grid-template-columns: 1fr; }
  .features-grid, .services-grid, .work-grid, .testimonial-grid, .subsidy-cards, .pricing-grid { grid-template-columns: repeat(2, 1fr); }
  .contact-wrap { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr 1fr; }
}
@media (max-width: 640px) {
  .nav-links { display: none; }
  .nav-toggle { display: block; }
  .hero h1 { font-size: 32px; }
  .features-grid, .services-grid, .work-grid, .testimonial-grid, .subsidy-cards, .pricing-grid, .form-row, .footer-grid { grid-template-columns: 1fr; }
  .work-card.large { grid-column: span 1; }
  .section-title { font-size: 27px; }
  .process-step { flex: 1 1 42%; max-width: 45%; }
}