@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700;800;900&family=Inter:wght@400;500;600;700&display=swap');

:root {
  --primary-color: #0A192F;
  --secondary-color: #1A73E8;
  --accent-color: #FF6B00;
  --bg-color: #f8fafc;
  --surface-color: #ffffff;
  --text-main: #0f172a;
  --text-muted: #64748b;
  --border-color: #e2e8f0;
  --shadow-sm: 0 4px 6px -1px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 10px 25px -3px rgba(0, 0, 0, 0.08);
  --shadow-xl: 0 25px 50px -12px rgba(0, 0, 0, 0.15);
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-xl: 32px;
  --transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
  font-family: 'Inter', sans-serif;
  background-color: var(--bg-color);
  color: var(--text-main);
  line-height: 1.7;
  overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
  font-family: 'Outfit', sans-serif;
  font-weight: 800;
  color: var(--primary-color);
  line-height: 1.2;
}

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

button {
  font-family: 'Outfit', sans-serif;
  cursor: pointer;
  border: none;
  outline: none;
}

.container {
  width: 100%;
  max-width: 1320px;
  margin: 0 auto;
  padding: 0 24px;
}

/* Navbar */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(0, 0, 0, 0.05);
  z-index: 1000;
  padding: 20px 0;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}

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

.nav-brand {
  font-family: 'Outfit', sans-serif;
  font-size: 1.8rem;
  font-weight: 900;
  color: var(--primary-color);
  display: flex;
  align-items: center;
  gap: 8px;
  letter-spacing: -0.5px;
}

.nav-brand span {
  color: var(--accent-color);
}

.nav-links {
  display: flex;
  gap: 40px;
  list-style: none;
}

@media (max-width: 768px) {
  .nav-links { display: none; }
}

.nav-links a {
  font-weight: 600;
  font-size: 1.05rem;
  color: var(--text-muted);
  transition: var(--transition);
}

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

/* Buttons */
.btn-primary {
  background: var(--accent-color);
  color: white;
  padding: 16px 36px;
  border-radius: 50px;
  font-weight: 700;
  font-size: 1.1rem;
  transition: var(--transition);
  display: inline-flex;
  align-items: center;
  gap: 12px;
  box-shadow: 0 10px 20px rgba(255, 107, 0, 0.2);
}

.btn-primary:hover {
  background: #e65a00;
  transform: translateY(-3px);
  box-shadow: 0 15px 25px rgba(255, 107, 0, 0.3);
}

.btn-whatsapp {
  background: #25D366;
  color: white;
  padding: 14px 28px;
  border-radius: var(--radius-md);
  font-weight: 700;
  transition: var(--transition);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  box-shadow: 0 10px 20px rgba(37, 211, 102, 0.2);
}

.btn-whatsapp:hover {
  background: #1EBE55;
  transform: translateY(-2px);
  box-shadow: 0 15px 25px rgba(37, 211, 102, 0.3);
}

/* Funnel Sections */
section {
  padding: 120px 0;
}

.section-title {
  text-align: center;
  margin-bottom: 70px;
}

.section-title h2 {
  font-size: 3.5rem;
  margin-bottom: 20px;
  letter-spacing: -1px;
}

.section-title p {
  color: var(--text-muted);
  font-size: 1.25rem;
  max-width: 700px;
  margin: 0 auto;
}

/* 1. Hero Funnel */
.hero-funnel {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: 100px;
  background: linear-gradient(135deg, #0A192F 0%, #112B50 100%);
  position: relative;
  overflow: hidden;
  color: white;
}

.hero-funnel::before {
  content: '';
  position: absolute;
  top: 0; left: 0; width: 100%; height: 100%;
  background: url('https://images.unsplash.com/photo-1540104539155-900fa1b4231b?auto=format&fit=crop&q=80&w=2000') center/cover;
  opacity: 0.15;
  mix-blend-mode: overlay;
}

.hero-funnel-content {
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: 900px;
  margin: 0 auto;
}

.trust-badge {
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: white;
  padding: 8px 24px;
  border-radius: 50px;
  font-weight: 600;
  font-size: 1rem;
  margin-bottom: 30px;
  display: inline-block;
  backdrop-filter: blur(10px);
}

.hero-funnel h1 {
  color: white;
  font-size: 5rem;
  letter-spacing: -2px;
  margin-bottom: 30px;
}

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

.hero-funnel p {
  font-size: 1.5rem;
  color: rgba(255, 255, 255, 0.8);
  margin-bottom: 50px;
  font-weight: 300;
}

@media (max-width: 992px) {
  .hero-funnel h1 { font-size: 3.5rem; }
  .hero-funnel p { font-size: 1.25rem; }
}

/* 2. Three Pillars Funnel */
.pillars-section {
  background: var(--bg-color);
  margin-top: -80px;
  position: relative;
  z-index: 10;
  padding: 0 0 120px 0;
}

.pillars-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
}

.pillar-card {
  background: var(--surface-color);
  border-radius: var(--radius-xl);
  padding: 60px 40px;
  text-align: center;
  box-shadow: var(--shadow-xl);
  border: 1px solid var(--border-color);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.pillar-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; width: 100%; height: 6px;
  background: var(--secondary-color);
  transform: scaleX(0);
  transform-origin: left;
  transition: var(--transition);
}

.pillar-card.solar::before { background: #FCD34D; }
.pillar-card.inverter::before { background: var(--secondary-color); }
.pillar-card.tools::before { background: var(--accent-color); }

.pillar-card:hover {
  transform: translateY(-15px);
  box-shadow: 0 40px 60px -15px rgba(0,0,0,0.1);
}

.pillar-card:hover::before {
  transform: scaleX(1);
}

.pillar-icon {
  font-size: 4.5rem;
  margin-bottom: 30px;
  display: inline-block;
}

.pillar-card h3 {
  font-size: 2.2rem;
  margin-bottom: 20px;
}

.pillar-card p {
  color: var(--text-muted);
  font-size: 1.15rem;
  margin-bottom: 30px;
}

.pillar-link {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--primary-color);
  font-family: 'Outfit';
}
.pillar-link span {
  width: 40px;
  height: 40px;
  background: var(--bg-color);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
}
.pillar-card:hover .pillar-link span {
  background: var(--primary-color);
  color: white;
}

@media (max-width: 1024px) {
  .pillars-grid { grid-template-columns: 1fr; }
  .pillars-section { margin-top: 40px; }
}

/* 3. Deep Educational Section */
.educational-section {
  background: var(--surface-color);
}

.edu-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

.edu-grid:not(:last-child) {
  margin-bottom: 120px;
}

.edu-grid.reverse .edu-content {
  order: -1;
}

.edu-content h2 {
  font-size: 3rem;
  margin-bottom: 30px;
}

.edu-content p {
  font-size: 1.2rem;
  color: var(--text-muted);
  margin-bottom: 20px;
}

.edu-list {
  list-style: none;
  margin-top: 40px;
}

.edu-list li {
  display: flex;
  align-items: flex-start;
  gap: 20px;
  margin-bottom: 24px;
}

.edu-list-icon {
  width: 50px;
  height: 50px;
  background: rgba(26, 115, 232, 0.1);
  color: var(--secondary-color);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  flex-shrink: 0;
}

.edu-list h4 {
  font-size: 1.25rem;
  margin-bottom: 6px;
}
.edu-list p {
  font-size: 1rem;
  margin-bottom: 0;
}

.edu-image {
  position: relative;
}
.edu-image img {
  width: 100%;
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-xl);
}

@media (max-width: 992px) {
  .edu-grid { grid-template-columns: 1fr; gap: 40px; text-align: center; }
  .edu-grid.reverse .edu-content { order: 0; }
  .edu-list li { text-align: left; }
}

/* Authority Stats */
.stats-banner {
  background: var(--primary-color);
  color: white;
  padding: 80px 0;
}
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 40px;
  text-align: center;
}
.stat-box h3 {
  font-size: 4rem;
  color: var(--accent-color);
  margin-bottom: 10px;
}
.stat-box p {
  font-size: 1.2rem;
  font-weight: 600;
  color: rgba(255,255,255,0.8);
}
@media (max-width: 768px) {
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
}

/* Footer / Final CTA */
footer {
  background: #060d18;
  color: rgba(255, 255, 255, 0.7);
  padding: 100px 0 30px;
}
.footer-cta {
  background: linear-gradient(135deg, var(--secondary-color), var(--primary-color));
  border-radius: var(--radius-xl);
  padding: 80px 40px;
  text-align: center;
  margin-bottom: 80px;
  box-shadow: 0 30px 60px rgba(26, 115, 232, 0.2);
}
.footer-cta h2 {
  font-size: 3.5rem;
  color: white;
  margin-bottom: 20px;
}
.footer-cta p {
  font-size: 1.4rem;
  color: rgba(255,255,255,0.9);
  margin-bottom: 40px;
}
.footer-brand {
  font-family: 'Outfit', sans-serif;
  font-size: 2.2rem;
  font-weight: 900;
  color: white;
  margin-bottom: 20px;
}
.footer-brand span { color: var(--accent-color); }
.footer-bottom {
  margin-top: 60px;
  padding-top: 30px;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  text-align: center;
  font-size: 1rem;
}

/* Catalogue Container Styles (Kept intact for Catalogue.html) */
.catalogue-container {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 40px;
  padding-top: 140px;
  min-height: 100vh;
}

@media (max-width: 992px) {
  .catalogue-container { grid-template-columns: 1fr; }
}

.sidebar {
  background: var(--surface-color);
  border-radius: var(--radius-lg);
  padding: 30px;
  box-shadow: var(--shadow-sm);
  height: fit-content;
  position: sticky;
  top: 120px;
  border: 1px solid var(--border-color);
}

.filter-group { margin-bottom: 30px; }
.filter-group h4 {
  font-size: 1.2rem;
  margin-bottom: 16px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--border-color);
}

.filter-item {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 14px;
  cursor: pointer;
  color: var(--text-muted);
  font-weight: 500;
  transition: var(--transition);
}

.filter-item:hover { color: var(--secondary-color); }
.filter-item input[type="radio"],
.filter-item input[type="checkbox"] {
  width: 18px;
  height: 18px;
  accent-color: var(--secondary-color);
  cursor: pointer;
}

.products-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 30px;
  align-content: start;
}

.product-card {
  background: var(--surface-color);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  border: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
}

.product-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-md);
  border-color: var(--secondary-color);
}

.product-image {
  width: 100%;
  height: 250px;
  object-fit: contain;
  background: #f8fafc;
  padding: 20px;
  border-bottom: 1px solid var(--border-color);
}

.product-content {
  padding: 24px;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.product-brand {
  font-size: 0.85rem;
  color: var(--secondary-color);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 10px;
}

.product-title {
  font-size: 1.25rem;
  margin-bottom: 12px;
  line-height: 1.4;
}

.product-desc {
  color: var(--text-muted);
  font-size: 0.95rem;
  margin-bottom: 24px;
  flex-grow: 1;
}

.empty-state {
    text-align: center;
    padding: 80px 20px;
    grid-column: 1 / -1;
    background: var(--surface-color);
    border-radius: var(--radius-lg);
    border: 1px dashed var(--border-color);
}