:root {
  --brand-green: #5cb82e;
  --brand-green-dark: #3d8a1a;
  --forest: #1a3c1e;
  --forest-deep: #0f2412;
  --gold: #c59d5f;
  --gold-dark: #a97f3f;
  --gold-soft: #d4b57a;
  --topbar: #2c2c2c;
  --text: #1a1a1a;
  --text-muted: #6b7280;
  --white: #ffffff;
  --bg: #f7f8f5;
  --bg-soft: #eef5ea;
  --border: #e5e7eb;
  --shadow: 0 8px 30px rgba(26, 60, 30, 0.08);
  --radius: 6px;
  --container: 1180px;
  --font: "Montserrat", sans-serif;
  --transition: 0.3s ease;
}

*,
*::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;
  overflow-x: hidden;
}

a {
  text-decoration: none;
  color: inherit;
  transition: color var(--transition), background var(--transition), border-color var(--transition), transform var(--transition);
}

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

ul {
  list-style: none;
}

button,
input,
textarea,
select {
  font-family: inherit;
}

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

.section {
  padding: 4.5rem 0;
}

.section-header {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 2rem;
}

.section-header h2 {
  font-size: clamp(1.5rem, 2.5vw, 2rem);
  font-weight: 700;
  color: var(--forest);
  letter-spacing: -0.02em;
}

.section-header p {
  color: var(--text-muted);
  margin-top: 0.35rem;
  font-size: 0.95rem;
}

.view-all {
  color: var(--gold);
  font-weight: 600;
  font-size: 0.9rem;
  white-space: nowrap;
}

.view-all:hover {
  color: var(--gold-dark);
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.85rem 1.4rem;
  border-radius: var(--radius);
  font-weight: 600;
  font-size: 0.9rem;
  border: 2px solid transparent;
  cursor: pointer;
  transition: var(--transition);
}

.btn-gold {
  background: var(--gold);
  color: var(--white);
  border-color: var(--gold);
}

.btn-gold:hover {
  background: var(--gold-dark);
  border-color: var(--gold-dark);
  transform: translateY(-1px);
}

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

.btn-outline-gold:hover {
  background: var(--gold);
  color: var(--white);
}

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

.btn-green:hover {
  background: var(--brand-green-dark);
  border-color: var(--brand-green-dark);
}

.btn-dark {
  background: var(--topbar);
  color: var(--white);
  border-color: var(--topbar);
  width: 100%;
  justify-content: center;
  padding: 0.7rem 1rem;
  font-size: 0.85rem;
}

.btn-dark:hover {
  background: var(--forest);
  border-color: var(--forest);
}

/* Top bar */
.top-bar {
  background: var(--topbar);
  color: #d1d5db;
  font-size: 0.8rem;
  padding: 0.55rem 0;
}

.top-bar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}

.top-bar a {
  color: #d1d5db;
}

.top-bar a:hover {
  color: var(--gold);
}

.top-bar-left,
.top-bar-center,
.top-bar-right {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.top-bar-left span,
.top-bar-center span {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
}

.top-bar-right a {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  border: 1px solid rgba(197, 157, 95, 0.45);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--gold);
  font-size: 0.75rem;
}

.top-bar-right a:hover {
  background: var(--gold);
  color: var(--white);
}

/* Header */
.main-header {
  background: var(--white);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 100;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  min-height: 78px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  flex-shrink: 0;
}

.logo img {
  height: 52px;
  width: auto;
}

.logo-text {
  display: none;
}

.main-nav ul {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.main-nav a {
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--text);
  position: relative;
  padding: 0.35rem 0;
}

.main-nav a:hover,
.main-nav a.active {
  color: var(--gold);
}

.main-nav a.active::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -2px;
  height: 2px;
  background: var(--gold);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.icon-btn {
  background: none;
  border: none;
  cursor: pointer;
  color: var(--text);
  font-size: 1.05rem;
  position: relative;
  padding: 0.35rem;
}

.icon-btn:hover {
  color: var(--gold);
}

.cart-count {
  position: absolute;
  top: -4px;
  right: -8px;
  background: var(--gold);
  color: var(--white);
  font-size: 0.65rem;
  font-weight: 700;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.mobile-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 1.35rem;
  cursor: pointer;
  color: var(--forest);
}

/* Hero */
.hero {
  position: relative;
  background:
    radial-gradient(ellipse 60% 50% at 75% 55%, rgba(92, 184, 46, 0.12), transparent 70%),
    linear-gradient(135deg, #f4f7f2 0%, #ffffff 45%, #f0f4ec 100%);
  overflow: hidden;
  padding: 3.5rem 0 0;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 2rem;
  align-items: center;
  min-height: 480px;
}

.hero-eyebrow {
  color: var(--gold);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  margin-bottom: 0.85rem;
}

.hero h1 {
  font-size: clamp(2rem, 4vw, 3.1rem);
  line-height: 1.15;
  font-weight: 800;
  color: var(--forest);
  letter-spacing: -0.03em;
  margin-bottom: 1rem;
}

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

.hero-lead {
  color: var(--text-muted);
  max-width: 34ch;
  margin-bottom: 1.75rem;
  font-size: 1rem;
}

.hero-ctas {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
}

.hero-visual {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 420px;
}

.hero-platform {
  width: min(100%, 460px);
  aspect-ratio: 1;
  border-radius: 50%;
  background:
    radial-gradient(circle at 50% 45%, rgba(197, 157, 95, 0.25), transparent 55%),
    radial-gradient(circle at 50% 50%, #e8f5df, #cfe8c0 55%, transparent 70%);
  position: relative;
  display: grid;
  place-items: center;
  animation: glowPulse 4s ease-in-out infinite;
}

@keyframes glowPulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(92, 184, 46, 0.15); }
  50% { box-shadow: 0 0 60px 10px rgba(92, 184, 46, 0.18); }
}

.product-orbit {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.75rem;
  width: 78%;
  z-index: 1;
}

.orbit-item {
  background: var(--white);
  border-radius: 12px;
  padding: 0.45rem 0.45rem 0.65rem;
  text-align: center;
  box-shadow: var(--shadow);
  animation: floatY 5s ease-in-out infinite;
  overflow: hidden;
}

.orbit-item img {
  width: 100%;
  aspect-ratio: 1;
  object-fit: cover;
  border-radius: 8px;
  margin-bottom: 0.4rem;
}

.orbit-item:nth-child(2) { animation-delay: 0.4s; }
.orbit-item:nth-child(3) { animation-delay: 0.8s; }
.orbit-item:nth-child(4) { animation-delay: 1.2s; }
.orbit-item:nth-child(5) { animation-delay: 1.6s; }
.orbit-item:nth-child(6) { animation-delay: 2s; }

@keyframes floatY {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}

.orbit-icon {
  width: 48px;
  height: 48px;
  margin: 0 auto 0.5rem;
  border-radius: 10px;
  display: grid;
  place-items: center;
  font-size: 1.25rem;
  color: var(--white);
}

.orbit-item span {
  font-size: 0.68rem;
  font-weight: 600;
  color: var(--forest);
  line-height: 1.25;
  display: block;
}

.icon-ac { background: linear-gradient(135deg, #5cb82e, #3d8a1a); }
.icon-light { background: linear-gradient(135deg, #c59d5f, #a97f3f); }
.icon-fan { background: linear-gradient(135deg, #4b6b4e, #1a3c1e); }
.icon-erp { background: linear-gradient(135deg, #2c5f8a, #1a3c5c); }
.icon-fire { background: linear-gradient(135deg, #c44536, #8b2e24); }
.icon-robot { background: linear-gradient(135deg, #6b7280, #374151); }

.hero-features {
  margin-top: 2.5rem;
  background: var(--white);
  border-top: 1px solid var(--border);
  box-shadow: 0 -8px 30px rgba(0, 0, 0, 0.03);
}

.hero-features-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
  padding: 1.35rem 0;
}

.feature-item {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  padding: 0.35rem 0.5rem;
}

.feature-item i {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: var(--bg-soft);
  color: var(--gold);
  display: grid;
  place-items: center;
  font-size: 1rem;
  flex-shrink: 0;
}

.feature-item strong {
  display: block;
  font-size: 0.88rem;
  color: var(--forest);
}

.feature-item span {
  font-size: 0.75rem;
  color: var(--text-muted);
}

/* Categories */
.categories {
  background: var(--bg);
}

.category-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.category-card {
  background: var(--white);
  border-radius: 10px;
  overflow: hidden;
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
  transition: transform var(--transition), box-shadow var(--transition);
}

.category-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 14px 40px rgba(26, 60, 30, 0.12);
}

.category-media {
  height: 200px;
  display: grid;
  place-items: center;
  position: relative;
  overflow: hidden;
  background: #e8eee4;
}

.category-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.45s ease;
}

.category-card:hover .category-media img {
  transform: scale(1.06);
}

.category-media::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(26, 60, 30, 0.45), transparent 55%);
  pointer-events: none;
}

.category-media i {
  font-size: 3.5rem;
  color: var(--white);
  text-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
  z-index: 1;
  position: relative;
}

.category-body {
  padding: 1.35rem 1.4rem 1.5rem;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.category-body h3 {
  font-size: 1.15rem;
  color: var(--forest);
  margin-bottom: 0.85rem;
}

.category-body ul {
  margin-bottom: 1.25rem;
  flex: 1;
}

.category-body li {
  font-size: 0.88rem;
  color: var(--text-muted);
  padding: 0.3rem 0;
  padding-left: 1rem;
  position: relative;
}

.category-body li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.7rem;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--gold);
}

.category-body .btn {
  align-self: flex-start;
  padding: 0.65rem 1.1rem;
  font-size: 0.82rem;
}

/* Products */
.product-carousel-wrap {
  position: relative;
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.35rem;
}

.product-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 10px;
  overflow: hidden;
  transition: transform var(--transition), box-shadow var(--transition);
  display: flex;
  flex-direction: column;
}

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

.product-thumb {
  height: 200px;
  display: grid;
  place-items: center;
  background: #f3f4f2;
  position: relative;
  overflow: hidden;
}

.product-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.product-card:hover .product-thumb img {
  transform: scale(1.05);
}

.product-thumb i {
  font-size: 3rem;
  color: var(--brand-green);
}

.product-badge {
  position: absolute;
  top: 12px;
  left: 12px;
  background: var(--gold);
  color: var(--white);
  font-size: 0.68rem;
  font-weight: 700;
  padding: 0.25rem 0.55rem;
  border-radius: 4px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.product-info {
  padding: 1.1rem 1.15rem 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
  flex: 1;
}

.product-info h3 {
  font-size: 0.95rem;
  color: var(--forest);
  font-weight: 700;
  line-height: 1.35;
}

.product-price {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text);
}

.product-rating {
  color: var(--gold);
  font-size: 0.8rem;
  display: flex;
  align-items: center;
  gap: 0.35rem;
}

.product-rating span {
  color: var(--text-muted);
}

.product-info .btn {
  margin-top: auto;
}

/* Inverter band */
.inverter-section {
  background: linear-gradient(120deg, var(--forest-deep), var(--forest) 55%, #2a5a30);
  color: var(--white);
  position: relative;
  overflow: hidden;
}

.inverter-section::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 90% 20%, rgba(197, 157, 95, 0.2), transparent 40%),
    radial-gradient(circle at 10% 80%, rgba(92, 184, 46, 0.15), transparent 35%);
  pointer-events: none;
}

.inverter-grid {
  position: relative;
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 2.5rem;
  align-items: center;
}

.inverter-section h2 {
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  margin-bottom: 0.75rem;
}

.inverter-section p {
  color: rgba(255, 255, 255, 0.8);
  margin-bottom: 1.5rem;
  max-width: 42ch;
}

.inverter-sizes {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: 1.5rem;
}

.size-pill {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(197, 157, 95, 0.5);
  color: var(--gold-soft);
  padding: 0.65rem 1.1rem;
  border-radius: 999px;
  font-weight: 700;
  font-size: 0.9rem;
}

.inverter-visual {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
}

.kw-card {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 12px;
  padding: 1.5rem 1rem;
  text-align: center;
  backdrop-filter: blur(4px);
  transition: transform var(--transition), background var(--transition);
}

.kw-card:hover {
  transform: translateY(-4px);
  background: rgba(255, 255, 255, 0.12);
}

.kw-card i {
  font-size: 1.8rem;
  color: var(--gold);
  margin-bottom: 0.75rem;
}

.kw-card strong {
  display: block;
  font-size: 1.4rem;
  margin-bottom: 0.25rem;
}

.kw-card span {
  font-size: 0.78rem;
  color: rgba(255, 255, 255, 0.7);
}

/* Campus promo */
.campus-banner {
  background:
    linear-gradient(105deg, rgba(15, 36, 18, 0.92), rgba(26, 60, 30, 0.78)),
    url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='80' height='80' viewBox='0 0 80 80'%3E%3Cg fill='%23ffffff' fill-opacity='0.03'%3E%3Cpath d='M0 0h40v40H0V0zm40 40h40v40H40V40z'/%3E%3C/g%3E%3C/svg%3E"),
    linear-gradient(135deg, #1a3c1e, #0f2412);
  color: var(--white);
  padding: 3.5rem 0;
}

.campus-inner {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 2rem;
  align-items: center;
}

.campus-copy {
  display: flex;
  gap: 1.1rem;
  align-items: flex-start;
}

.campus-copy .shield {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: rgba(197, 157, 95, 0.15);
  border: 1px solid var(--gold);
  color: var(--gold);
  display: grid;
  place-items: center;
  font-size: 1.25rem;
  flex-shrink: 0;
}

.campus-copy h2 {
  font-size: clamp(1.35rem, 2.5vw, 1.85rem);
  margin-bottom: 0.5rem;
  line-height: 1.3;
}

.campus-copy p {
  color: rgba(255, 255, 255, 0.75);
  font-size: 0.92rem;
  max-width: 48ch;
}

.campus-pillars {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
}

.pillar {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  font-size: 0.85rem;
  font-weight: 600;
}

.pillar i {
  width: 38px;
  height: 38px;
  border-radius: 8px;
  border: 1px solid rgba(197, 157, 95, 0.55);
  color: var(--gold);
  display: grid;
  place-items: center;
  flex-shrink: 0;
}

/* Benefits table */
.benefits {
  background: var(--white);
}

.table-wrap {
  overflow-x: auto;
  border: 1px solid var(--border);
  border-radius: 10px;
  box-shadow: var(--shadow);
}

.benefits-table {
  width: 100%;
  border-collapse: collapse;
  min-width: 760px;
  font-size: 0.85rem;
}

.benefits-table th,
.benefits-table td {
  padding: 0.85rem 0.75rem;
  text-align: center;
  border-bottom: 1px solid var(--border);
}

.benefits-table th:first-child,
.benefits-table td:first-child {
  text-align: left;
  font-weight: 600;
  color: var(--forest);
  background: #fafafa;
  position: sticky;
  left: 0;
  z-index: 1;
}

.benefits-table thead th {
  background: var(--forest);
  color: var(--white);
  font-weight: 600;
  font-size: 0.78rem;
  line-height: 1.3;
}

.benefits-table thead th:first-child {
  background: var(--forest-deep);
  color: var(--white);
}

.benefits-table thead th.highlight,
.benefits-table td.highlight {
  background: rgba(92, 184, 46, 0.12);
}

.benefits-table thead th.highlight {
  background: var(--brand-green);
}

.benefits-table tbody tr:nth-child(even) td {
  background: #f9fafb;
}

.benefits-table tbody tr:nth-child(even) td.highlight {
  background: rgba(92, 184, 46, 0.16);
}

.benefits-table tbody tr:hover td {
  background: #f0f7eb;
}

.table-note {
  margin-top: 0.85rem;
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* About strip */
.why-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.why-item {
  padding: 1.75rem 1.5rem;
  border-top: 3px solid var(--gold);
  background: var(--bg);
  border-radius: 0 0 10px 10px;
}

.why-item i {
  font-size: 1.6rem;
  color: var(--brand-green);
  margin-bottom: 0.85rem;
}

.why-item h3 {
  font-size: 1.05rem;
  color: var(--forest);
  margin-bottom: 0.45rem;
}

.why-item p {
  font-size: 0.9rem;
  color: var(--text-muted);
}

/* Page hero (inner pages) */
.page-hero {
  background: linear-gradient(120deg, var(--forest-deep), var(--forest));
  color: var(--white);
  padding: 3rem 0;
  text-align: center;
}

.page-hero h1 {
  font-size: clamp(1.75rem, 3vw, 2.4rem);
  margin-bottom: 0.5rem;
}

.page-hero p {
  color: rgba(255, 255, 255, 0.75);
  max-width: 50ch;
  margin: 0 auto;
}

.breadcrumb {
  font-size: 0.8rem;
  color: var(--gold-soft);
  margin-bottom: 0.75rem;
}

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

/* Contact */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: 2rem;
}

.contact-card {
  background: var(--bg);
  border-radius: 10px;
  padding: 1.75rem;
}

.contact-card h3 {
  color: var(--forest);
  margin-bottom: 1.25rem;
}

.contact-list li {
  display: flex;
  gap: 0.85rem;
  margin-bottom: 1.1rem;
  font-size: 0.92rem;
  color: var(--text-muted);
}

.contact-list i {
  color: var(--gold);
  margin-top: 0.2rem;
}

.contact-form {
  display: grid;
  gap: 1rem;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.form-group label {
  display: block;
  font-size: 0.82rem;
  font-weight: 600;
  margin-bottom: 0.35rem;
  color: var(--forest);
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 0.75rem 0.9rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-size: 0.9rem;
  outline: none;
  transition: border-color var(--transition);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--gold);
}

.form-group textarea {
  min-height: 130px;
  resize: vertical;
}

.form-success {
  display: none;
  background: var(--bg-soft);
  border: 1px solid var(--brand-green);
  color: var(--forest);
  padding: 0.85rem 1rem;
  border-radius: var(--radius);
  font-size: 0.9rem;
}

.form-success.show {
  display: block;
}

/* About content */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2.5rem;
  align-items: center;
}

.about-content h2 {
  color: var(--forest);
  font-size: 1.75rem;
  margin-bottom: 1rem;
}

.about-content p {
  color: var(--text-muted);
  margin-bottom: 1rem;
}

.about-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  margin-top: 1.5rem;
}

.stat {
  text-align: center;
  padding: 1rem;
  background: var(--bg);
  border-radius: 8px;
}

.stat strong {
  display: block;
  font-size: 1.5rem;
  color: var(--gold);
}

.stat span {
  font-size: 0.78rem;
  color: var(--text-muted);
}

.about-visual {
  height: 360px;
  border-radius: 16px;
  overflow: hidden;
  box-shadow: var(--shadow);
  background: #e8eee4;
}

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

/* Footer */
.site-footer {
  background: #1c1c1c;
  color: #b0b0b0;
  padding-top: 3.5rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr 1.2fr;
  gap: 2rem;
  padding-bottom: 2.5rem;
}

.footer-brand .footer-logo {
  height: 56px;
  margin-bottom: 1rem;
  filter: brightness(1.05);
}

.footer-brand p {
  font-size: 0.85rem;
  line-height: 1.7;
  margin-bottom: 1.1rem;
}

.footer-social {
  display: flex;
  gap: 0.55rem;
}

.footer-social a {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  border: 1px solid rgba(197, 157, 95, 0.4);
  display: grid;
  place-items: center;
  color: var(--gold);
  font-size: 0.85rem;
}

.footer-social a:hover {
  background: var(--gold);
  color: var(--white);
}

.footer-col h4 {
  color: var(--white);
  font-size: 0.95rem;
  margin-bottom: 1.1rem;
  position: relative;
  padding-bottom: 0.55rem;
}

.footer-col h4::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 32px;
  height: 2px;
  background: var(--gold);
}

.footer-col ul li {
  margin-bottom: 0.55rem;
}

.footer-col a {
  font-size: 0.85rem;
  color: #b0b0b0;
}

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

.footer-contact li {
  display: flex;
  gap: 0.65rem;
  margin-bottom: 0.85rem;
  font-size: 0.85rem;
  line-height: 1.5;
}

.footer-contact i {
  color: var(--gold);
  margin-top: 0.2rem;
  flex-shrink: 0;
}

.footer-bottom {
  border-top: 1px solid #333;
  padding: 1.1rem 0;
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
  font-size: 0.8rem;
}

.footer-bottom .heart {
  color: #e25555;
}

/* Cart toast */
.toast {
  position: fixed;
  bottom: 24px;
  right: 24px;
  background: var(--forest);
  color: var(--white);
  padding: 0.9rem 1.2rem;
  border-radius: 8px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.25);
  transform: translateY(120%);
  opacity: 0;
  transition: var(--transition);
  z-index: 200;
  font-size: 0.88rem;
}

.toast.show {
  transform: translateY(0);
  opacity: 1;
}

/* Search overlay */
.search-overlay {
  position: fixed;
  inset: 0;
  background: rgba(15, 36, 18, 0.85);
  z-index: 150;
  display: none;
  align-items: flex-start;
  justify-content: center;
  padding-top: 15vh;
}

.search-overlay.open {
  display: flex;
}

.search-box {
  width: min(90%, 560px);
  position: relative;
}

.search-box input {
  width: 100%;
  padding: 1rem 3rem 1rem 1.25rem;
  border: none;
  border-radius: 8px;
  font-size: 1.05rem;
  outline: none;
}

.search-box button {
  position: absolute;
  right: 12px;
  top: 50%;
  transform: translateY(-50%);
  background: none;
  border: none;
  font-size: 1.2rem;
  color: var(--text-muted);
  cursor: pointer;
}

/* Responsive */
@media (max-width: 1024px) {
  .hero-grid,
  .inverter-grid,
  .campus-inner,
  .about-grid,
  .contact-grid {
    grid-template-columns: 1fr;
  }

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

  .hero-visual {
    min-height: 340px;
  }

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

@media (max-width: 860px) {
  .top-bar-center {
    display: none;
  }

  .main-nav {
    position: fixed;
    top: 0;
    right: -100%;
    width: min(86vw, 320px);
    height: 100vh;
    background: var(--white);
    box-shadow: -8px 0 30px rgba(0, 0, 0, 0.12);
    padding: 5rem 1.5rem 2rem;
    transition: right var(--transition);
    z-index: 120;
  }

  .main-nav.open {
    right: 0;
  }

  .main-nav ul {
    flex-direction: column;
    align-items: flex-start;
    gap: 1.1rem;
  }

  .mobile-toggle {
    display: block;
  }

  .category-grid,
  .why-grid,
  .hero-features-grid {
    grid-template-columns: 1fr 1fr;
  }

  .form-row {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 600px) {
  .category-grid,
  .product-grid,
  .why-grid,
  .hero-features-grid,
  .campus-pillars,
  .about-stats,
  .inverter-visual,
  .footer-grid {
    grid-template-columns: 1fr;
  }

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

  .hero {
    padding-top: 2.25rem;
  }

  .orbit-item span {
    font-size: 0.62rem;
  }

  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }
}

/* Policy / content pages */
.policy-content {
  max-width: 820px;
  margin: 0 auto;
}

.policy-content h2 {
  color: var(--forest);
  font-size: 1.2rem;
  margin: 1.75rem 0 0.75rem;
}

.policy-content h2:first-child {
  margin-top: 0;
}

.policy-content p,
.policy-content li {
  color: var(--text-muted);
  font-size: 0.95rem;
  margin-bottom: 0.85rem;
  line-height: 1.7;
}

.policy-content ul {
  list-style: disc;
  padding-left: 1.25rem;
  margin-bottom: 1rem;
}

.policy-content a {
  color: var(--gold);
  font-weight: 600;
}

.policy-meta {
  font-size: 0.82rem;
  color: var(--text-muted);
  margin-bottom: 1.5rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--border);
}

.product-desc {
  font-size: 0.8rem;
  color: var(--text-muted);
  line-height: 1.45;
  margin-bottom: 0.15rem;
}

.mission-band {
  background: var(--bg);
  border-left: 4px solid var(--gold);
  padding: 1.25rem 1.5rem;
  border-radius: 0 8px 8px 0;
  margin: 1.5rem 0;
}

.mission-band p {
  margin: 0;
  color: var(--forest);
  font-weight: 500;
}