/* ==========================================================================
   Tiwari Enterprises - Design System & Modern Styles
   Theme: Clean Solar Gold, Eco Emerald, and Premium Deep Slate
   ========================================================================== */

:root {
  /* Color Palette */
  --primary: #0284c7;         /* High-tech Power Blue */
  --primary-dark: #0369a1;
  --solar-gold: #f59e0b;      /* Radiant Solar Amber */
  --solar-gold-light: #fef3c7;
  --solar-gold-hover: #d97706;
  --eco-green: #10b981;       /* Clean Energy Green */
  --eco-green-dark: #047857;
  --whatsapp-color: #25D366;
  --whatsapp-hover: #20bd5a;
  --phone-color: #0284c7;

  /* Neutrals & Dark Surfaces */
  --bg-main: #f8fafc;
  --bg-surface: #ffffff;
  --bg-surface-elevated: #ffffff;
  --bg-dark: #090e17;
  --bg-dark-surface: #111827;
  --bg-dark-card: #1f293d;

  --text-main: #0f172a;
  --text-muted: #475569;
  --text-light: #94a3b8;
  --text-white: #ffffff;

  --border-light: #e2e8f0;
  --border-dark: #334155;

  /* Elevation Shadows */
  --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
  --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
  --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
  --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.12), 0 8px 10px -6px rgb(0 0 0 / 0.1);
  --shadow-glow-solar: 0 0 25px rgba(245, 158, 11, 0.35);
  --shadow-glow-green: 0 0 20px rgba(16, 185, 129, 0.4);

  /* Layout & Radii */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 18px;
  --radius-xl: 26px;
  --radius-full: 9999px;
  --transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Reset & Base Setup */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  color: var(--text-main);
  background-color: var(--bg-main);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, h5, .brand-title {
  font-family: 'Outfit', 'Inter', system-ui, sans-serif;
  font-weight: 700;
  color: var(--text-main);
  line-height: 1.25;
}

a {
  text-decoration: none;
  color: inherit;
  transition: var(--transition);
}

ul {
  list-style: none;
}

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

.container {
  width: 100%;
  max-width: 1240px;
  margin-left: auto;
  margin-right: auto;
  padding-left: 1.5rem;
  padding-right: 1.5rem;
}

/* ==========================================================================
   Top Alert Bar (Contact & Subsidy Awareness)
   ========================================================================== */
.top-banner {
  background: linear-gradient(90deg, #090e17 0%, #1e293b 50%, #090e17 100%);
  color: #f1f5f9;
  font-size: 0.875rem;
  padding: 0.55rem 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.top-banner-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.top-banner-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  background: rgba(245, 158, 11, 0.2);
  color: #fbbf24;
  padding: 0.2rem 0.65rem;
  border-radius: var(--radius-full);
  font-weight: 600;
  font-size: 0.75rem;
  border: 1px solid rgba(245, 158, 11, 0.3);
}

.top-banner-right {
  display: flex;
  align-items: center;
  gap: 1.25rem;
}

.top-contact-link {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  color: #e2e8f0;
  font-weight: 500;
}

.top-contact-link:hover {
  color: var(--solar-gold);
}

/* ==========================================================================
   Header & Navigation
   ========================================================================== */
.site-header {
  position: sticky;
  top: 0;
  background: rgba(255, 255, 255, 0.94);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-light);
  z-index: 100;
  box-shadow: 0 4px 20px -2px rgba(0, 0, 0, 0.04);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 80px;
}

.brand-logo-wrap {
  display: flex;
  align-items: center;
  gap: 0.85rem;
}

.logo-icon-box {
  width: 46px;
  height: 46px;
  background: linear-gradient(135deg, var(--solar-gold) 0%, #ea580c 100%);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #ffffff;
  box-shadow: 0 6px 14px rgba(245, 158, 11, 0.4);
}

.brand-text-block {
  display: flex;
  flex-direction: column;
}

.brand-name {
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--bg-dark);
  letter-spacing: -0.02em;
}

.brand-tagline {
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--eco-green-dark);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 1.75rem;
}

.nav-link {
  font-weight: 500;
  font-size: 0.95rem;
  color: var(--text-muted);
  position: relative;
  padding: 0.4rem 0;
}

.nav-link:hover, .nav-link.active {
  color: var(--primary-dark);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0%;
  height: 2px;
  background: var(--solar-gold);
  transition: var(--transition);
}

.nav-link:hover::after {
  width: 100%;
}

.nav-cta-group {
  display: flex;
  align-items: center;
  gap: 0.85rem;
}

.btn-header-call {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: #f1f5f9;
  color: var(--text-main);
  padding: 0.6rem 1.1rem;
  border-radius: var(--radius-full);
  font-weight: 600;
  font-size: 0.9rem;
  border: 1px solid var(--border-light);
}

.btn-header-call:hover {
  background: #e2e8f0;
  color: var(--primary-dark);
}

.btn-header-quote {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: linear-gradient(135deg, var(--solar-gold) 0%, #ea580c 100%);
  color: #ffffff;
  padding: 0.65rem 1.3rem;
  border-radius: var(--radius-full);
  font-weight: 600;
  font-size: 0.9rem;
  box-shadow: 0 4px 12px rgba(245, 158, 11, 0.35);
}

.btn-header-quote:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 18px rgba(245, 158, 11, 0.45);
}

.mobile-menu-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
  color: var(--text-main);
}

.mobile-drawer {
  display: none;
  position: fixed;
  top: 80px;
  left: 0;
  width: 100%;
  background: #ffffff;
  border-bottom: 1px solid var(--border-light);
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
  z-index: 99;
  padding: 1.5rem;
  transform: translateY(-10px);
  opacity: 0;
  transition: all 0.3s ease;
  pointer-events: none;
}

.mobile-drawer.open {
  display: block;
  transform: translateY(0);
  opacity: 1;
  pointer-events: auto;
}

.mobile-drawer-content {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}

.mobile-nav-link {
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--text-main);
  padding: 0.4rem 0;
  border-bottom: 1px solid #f1f5f9;
}

/* ==========================================================================
   Hero Section
   ========================================================================== */
.hero-section {
  position: relative;
  background: radial-gradient(circle at 85% 15%, rgba(245, 158, 11, 0.12) 0%, transparent 45%),
              radial-gradient(circle at 10% 80%, rgba(2, 132, 199, 0.08) 0%, transparent 40%),
              linear-gradient(180deg, #f8fafc 0%, #f1f5f9 100%);
  padding: 4.5rem 0 5rem 0;
  overflow: hidden;
  border-bottom: 1px solid var(--border-light);
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 3.5rem;
  align-items: center;
}

.hero-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: #ffffff;
  border: 1px solid #fed7aa;
  padding: 0.35rem 1rem;
  border-radius: var(--radius-full);
  font-size: 0.85rem;
  font-weight: 600;
  color: #c2410c;
  box-shadow: 0 2px 8px rgba(245, 158, 11, 0.12);
  margin-bottom: 1.25rem;
}

.hero-title {
  font-size: 3.25rem;
  line-height: 1.15;
  margin-bottom: 1.25rem;
  letter-spacing: -0.03em;
}

.hero-title .highlight-gold {
  background: linear-gradient(120deg, #d97706 0%, #f59e0b 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-title .highlight-green {
  background: linear-gradient(120deg, #059669 0%, #10b981 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-desc {
  font-size: 1.125rem;
  color: var(--text-muted);
  line-height: 1.65;
  margin-bottom: 2rem;
  max-width: 600px;
}

.hero-cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 2.5rem;
}

.btn-primary-solar {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.65rem;
  background: linear-gradient(135deg, var(--solar-gold) 0%, #ea580c 100%);
  color: #ffffff;
  font-weight: 700;
  font-size: 1rem;
  padding: 0.95rem 1.8rem;
  border-radius: var(--radius-md);
  box-shadow: 0 10px 20px -3px rgba(245, 158, 11, 0.4);
}

.btn-primary-solar:hover {
  transform: translateY(-2px);
  box-shadow: 0 14px 26px -3px rgba(245, 158, 11, 0.5);
  color: #fff;
}

.btn-whatsapp-hero {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.65rem;
  background: #25D366;
  color: #ffffff;
  font-weight: 700;
  font-size: 1rem;
  padding: 0.95rem 1.8rem;
  border-radius: var(--radius-md);
  box-shadow: 0 10px 20px -3px rgba(37, 211, 102, 0.35);
}

.btn-whatsapp-hero:hover {
  background: #20bd5a;
  transform: translateY(-2px);
  box-shadow: 0 14px 26px -3px rgba(37, 211, 102, 0.45);
  color: #fff;
}

.btn-secondary-phone {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.65rem;
  background: #ffffff;
  color: var(--text-main);
  border: 1px solid var(--border-light);
  font-weight: 600;
  font-size: 1rem;
  padding: 0.95rem 1.5rem;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
}

.btn-secondary-phone:hover {
  border-color: var(--primary);
  color: var(--primary-dark);
  transform: translateY(-2px);
}

.hero-stats-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid rgba(0, 0, 0, 0.08);
}

.stat-item h3 {
  font-size: 1.85rem;
  font-weight: 800;
  color: var(--bg-dark);
  margin-bottom: 0.2rem;
}

.stat-item p {
  font-size: 0.85rem;
  color: var(--text-muted);
  font-weight: 500;
}

/* Hero Right: Interactive Quick Card */
.hero-card {
  background: #ffffff;
  border-radius: var(--radius-xl);
  padding: 2.2rem;
  border: 1px solid #fed7aa;
  box-shadow: 0 25px 40px -15px rgba(245, 158, 11, 0.15), 0 10px 20px -5px rgba(0, 0, 0, 0.04);
  position: relative;
}

.hero-card-badge {
  position: absolute;
  top: -14px;
  right: 24px;
  background: linear-gradient(135deg, #059669 0%, #10b981 100%);
  color: #ffffff;
  font-size: 0.75rem;
  font-weight: 700;
  padding: 0.35rem 0.9rem;
  border-radius: var(--radius-full);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  box-shadow: 0 4px 10px rgba(16, 185, 129, 0.3);
}

.hero-card-header {
  margin-bottom: 1.5rem;
}

.hero-card-title {
  font-size: 1.35rem;
  font-weight: 700;
  margin-bottom: 0.35rem;
}

.hero-card-subtitle {
  font-size: 0.875rem;
  color: var(--text-muted);
}

.hero-card-items {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  margin-bottom: 1.8rem;
}

.hero-feature-item {
  display: flex;
  align-items: flex-start;
  gap: 0.85rem;
  background: #f8fafc;
  padding: 0.85rem 1rem;
  border-radius: var(--radius-md);
  border: 1px solid #f1f5f9;
}

.hero-feature-icon {
  width: 38px;
  height: 38px;
  border-radius: 10px;
  background: #fef3c7;
  color: #d97706;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.hero-feature-icon.green {
  background: #d1fae5;
  color: #059669;
}

.hero-feature-icon.blue {
  background: #e0f2fe;
  color: #0284c7;
}

.hero-feature-text h4 {
  font-size: 0.95rem;
  font-weight: 700;
  margin-bottom: 0.15rem;
}

.hero-feature-text p {
  font-size: 0.82rem;
  color: var(--text-muted);
}

.hero-direct-call-box {
  background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
  border-radius: var(--radius-md);
  padding: 1.1rem 1.3rem;
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.hero-call-info small {
  display: block;
  font-size: 0.72rem;
  color: #cbd5e1;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.hero-call-info strong {
  font-size: 1.25rem;
  font-family: 'Outfit', sans-serif;
  color: #fbbf24;
  letter-spacing: 0.02em;
}

.hero-call-btn {
  background: var(--solar-gold);
  color: #0f172a;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 12px rgba(245, 158, 11, 0.4);
  transition: var(--transition);
}

.hero-call-btn:hover {
  transform: scale(1.08);
  background: #fbbf24;
}

/* ==========================================================================
   Trust & Authority Bar
   ========================================================================== */
.trust-bar {
  background: #ffffff;
  border-bottom: 1px solid var(--border-light);
  padding: 1.5rem 0;
}

.trust-badges-wrap {
  display: flex;
  align-items: center;
  justify-content: space-around;
  flex-wrap: wrap;
  gap: 1.5rem;
}

.trust-badge-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.trust-badge-icon {
  width: 32px;
  height: 32px;
  color: var(--solar-gold);
}

.trust-badge-text strong {
  display: block;
  font-size: 0.95rem;
  color: var(--text-main);
  font-weight: 700;
}

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

/* ==========================================================================
   Section Layout Standards
   ========================================================================== */
.section-py {
  padding: 5rem 0;
}

.section-header {
  text-align: center;
  max-width: 760px;
  margin: 0 auto 3.5rem auto;
}

.section-tag {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--solar-gold-hover);
  background: #fef3c7;
  padding: 0.3rem 0.85rem;
  border-radius: var(--radius-full);
  margin-bottom: 0.75rem;
}

.section-tag.green {
  color: var(--eco-green-dark);
  background: #d1fae5;
}

.section-tag.blue {
  color: var(--primary-dark);
  background: #e0f2fe;
}

.section-title {
  font-size: 2.35rem;
  margin-bottom: 1rem;
  letter-spacing: -0.02em;
}

.section-subtitle {
  font-size: 1.05rem;
  color: var(--text-muted);
  line-height: 1.6;
}

/* ==========================================================================
   Product Showcase: Adwin Batteries
   ========================================================================== */
.adwin-section {
  background: #ffffff;
  position: relative;
}

.adwin-hero-banner {
  background: linear-gradient(135deg, #090e17 0%, #1e293b 100%);
  border-radius: var(--radius-xl);
  padding: 3rem;
  color: #ffffff;
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 2.5rem;
  align-items: center;
  margin-bottom: 3.5rem;
  border: 1px solid rgba(255, 255, 255, 0.1);
  box-shadow: var(--shadow-xl);
}

.adwin-badge-row {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  margin-bottom: 1.25rem;
}

.adwin-tag {
  background: #dc2626;
  color: #ffffff;
  font-weight: 800;
  font-size: 0.75rem;
  padding: 0.25rem 0.75rem;
  border-radius: var(--radius-full);
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.adwin-banner-title {
  color: #ffffff;
  font-size: 2.35rem;
  margin-bottom: 1rem;
}

.adwin-banner-title span {
  color: #fbbf24;
}

.adwin-banner-desc {
  color: #cbd5e1;
  font-size: 1.02rem;
  margin-bottom: 1.75rem;
  line-height: 1.6;
}

.adwin-banner-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: 2rem;
}

.battery-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  background: rgba(255, 255, 255, 0.12);
  backdrop-filter: blur(4px);
  padding: 0.4rem 0.85rem;
  border-radius: var(--radius-full);
  font-size: 0.85rem;
  color: #f8fafc;
}

.adwin-visual-box {
  background: radial-gradient(circle at center, rgba(245, 158, 11, 0.25) 0%, rgba(2, 132, 199, 0.05) 70%, transparent 100%);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  text-align: center;
  border: 1px dashed rgba(245, 158, 11, 0.3);
  position: relative;
}

.battery-mockup-graphic {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.battery-icon-large {
  width: 110px;
  height: 110px;
  color: #fbbf24;
  margin-bottom: 1rem;
  filter: drop-shadow(0 10px 15px rgba(245, 158, 11, 0.4));
}

.adwin-visual-box h4 {
  color: #ffffff;
  font-size: 1.35rem;
  margin-bottom: 0.25rem;
}

.adwin-visual-box p {
  color: #94a3b8;
  font-size: 0.85rem;
}

/* Product Cards Grid */
.products-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.85rem;
}

.product-card {
  background: #ffffff;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: 1.85rem;
  transition: var(--transition);
  display: flex;
  flex-direction: column;
  position: relative;
}

.product-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 15px 30px -5px rgba(0, 0, 0, 0.08);
  border-color: #fcd34d;
}

.product-tag {
  align-self: flex-start;
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 0.25rem 0.65rem;
  border-radius: var(--radius-full);
  margin-bottom: 1rem;
}

.product-tag.popular {
  background: #fef3c7;
  color: #d97706;
}

.product-tag.premium {
  background: #dbeafe;
  color: #1d4ed8;
}

.product-tag.solar {
  background: #d1fae5;
  color: #047857;
}

.product-title {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.product-capacity {
  font-size: 1.75rem;
  font-weight: 800;
  color: var(--primary-dark);
  font-family: 'Outfit', sans-serif;
  margin-bottom: 0.75rem;
}

.product-capacity span {
  font-size: 0.95rem;
  color: var(--text-muted);
  font-weight: 500;
}

.product-specs {
  margin: 1rem 0 1.5rem 0;
  flex-grow: 1;
}

.spec-item {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  font-size: 0.875rem;
  color: var(--text-muted);
  margin-bottom: 0.6rem;
}

.spec-item svg {
  color: var(--eco-green);
  flex-shrink: 0;
}

.product-btn-group {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.65rem;
  margin-top: auto;
}

.btn-card-call {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  background: #f1f5f9;
  color: var(--text-main);
  padding: 0.6rem 0.8rem;
  border-radius: var(--radius-md);
  font-weight: 600;
  font-size: 0.85rem;
}

.btn-card-call:hover {
  background: #e2e8f0;
  color: var(--primary);
}

.btn-card-wa {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  background: var(--whatsapp-color);
  color: #ffffff;
  padding: 0.6rem 0.8rem;
  border-radius: var(--radius-md);
  font-weight: 600;
  font-size: 0.85rem;
}

.btn-card-wa:hover {
  background: var(--whatsapp-hover);
  color: #ffffff;
}

/* ==========================================================================
   Solar Rooftop Installation & Services
   ========================================================================== */
.solar-section {
  background: #f8fafc;
  border-top: 1px solid var(--border-light);
  border-bottom: 1px solid var(--border-light);
}

.solar-solutions-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 2rem;
  margin-bottom: 3.5rem;
}

.solar-card {
  background: #ffffff;
  border-radius: var(--radius-lg);
  padding: 2.2rem;
  border: 1px solid var(--border-light);
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}

.solar-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: #93c5fd;
}

.solar-icon-wrap {
  width: 54px;
  height: 54px;
  background: linear-gradient(135deg, #eff6ff 0%, #dbeafe 100%);
  color: var(--primary);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.25rem;
}

.solar-icon-wrap.gold {
  background: #fef3c7;
  color: #d97706;
}

.solar-icon-wrap.green {
  background: #d1fae5;
  color: #059669;
}

.solar-card-title {
  font-size: 1.35rem;
  margin-bottom: 0.6rem;
}

.solar-card-desc {
  font-size: 0.92rem;
  color: var(--text-muted);
  line-height: 1.6;
  margin-bottom: 1.25rem;
}

.solar-feature-list li {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.875rem;
  color: var(--text-main);
  margin-bottom: 0.5rem;
  font-weight: 500;
}

/* ==========================================================================
   Interactive Rooftop Solar Calculator
   ========================================================================== */
.calc-section {
  background: radial-gradient(circle at 10% 20%, rgba(2, 132, 199, 0.06) 0%, transparent 40%),
              radial-gradient(circle at 90% 80%, rgba(245, 158, 11, 0.08) 0%, transparent 40%),
              #ffffff;
}

.calc-box {
  background: #ffffff;
  border-radius: var(--radius-xl);
  border: 1px solid var(--border-light);
  box-shadow: var(--shadow-xl);
  display: grid;
  grid-template-columns: 1fr 1fr;
  overflow: hidden;
}

.calc-controls {
  padding: 3rem;
  background: #ffffff;
}

.calc-results {
  padding: 3rem;
  background: linear-gradient(145deg, #090e17 0%, #172554 100%);
  color: #ffffff;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.slider-group {
  margin-bottom: 2.2rem;
}

.slider-header {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: 0.85rem;
}

.slider-header label {
  font-weight: 700;
  font-size: 1rem;
  color: var(--text-main);
}

.slider-val-badge {
  font-family: 'Outfit', sans-serif;
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--primary-dark);
}

.custom-range {
  width: 100%;
  height: 8px;
  border-radius: 5px;
  background: #e2e8f0;
  outline: none;
  -webkit-appearance: none;
  cursor: pointer;
}

.custom-range::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: var(--solar-gold);
  cursor: pointer;
  box-shadow: 0 0 10px rgba(245, 158, 11, 0.6);
  border: 2px solid #ffffff;
  transition: var(--transition);
}

.custom-range::-webkit-slider-thumb:hover {
  transform: scale(1.15);
}

.connection-type-selector {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.85rem;
  margin-bottom: 2rem;
}

.conn-btn {
  padding: 0.85rem;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  background: #f8fafc;
  font-weight: 600;
  font-size: 0.9rem;
  cursor: pointer;
  transition: var(--transition);
  text-align: center;
}

.conn-btn.active {
  border-color: var(--solar-gold);
  background: #fffbeb;
  color: #b45309;
}

/* Calculator Results Display */
.results-header {
  margin-bottom: 1.85rem;
}

.results-header h3 {
  color: #ffffff;
  font-size: 1.4rem;
  margin-bottom: 0.35rem;
}

.results-header p {
  color: #94a3b8;
  font-size: 0.875rem;
}

.calc-metrics-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
  margin-bottom: 2rem;
}

.metric-card {
  background: rgba(255, 255, 255, 0.07);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius-md);
  padding: 1.2rem;
}

.metric-label {
  font-size: 0.78rem;
  color: #cbd5e1;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 0.35rem;
  display: block;
}

.metric-number {
  font-family: 'Outfit', sans-serif;
  font-size: 1.65rem;
  font-weight: 800;
  color: #38bdf8;
  line-height: 1.1;
}

.metric-number.gold {
  color: #fbbf24;
}

.metric-number.green {
  color: #34d399;
}

.subsidy-highlight-banner {
  background: rgba(16, 185, 129, 0.15);
  border: 1px solid rgba(16, 185, 129, 0.3);
  border-radius: var(--radius-md);
  padding: 1rem 1.2rem;
  margin-bottom: 2rem;
  display: flex;
  align-items: center;
  gap: 0.85rem;
}

.subsidy-highlight-banner svg {
  color: #34d399;
  flex-shrink: 0;
}

.subsidy-text strong {
  display: block;
  font-size: 0.92rem;
  color: #ffffff;
}

.subsidy-text span {
  font-size: 0.78rem;
  color: #a7f3d0;
}

.btn-claim-calc {
  width: 100%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.65rem;
  background: linear-gradient(135deg, var(--solar-gold) 0%, #ea580c 100%);
  color: #ffffff;
  padding: 1rem;
  border-radius: var(--radius-md);
  font-size: 1rem;
  font-weight: 700;
  border: none;
  cursor: pointer;
  box-shadow: 0 10px 20px -5px rgba(245, 158, 11, 0.4);
  transition: var(--transition);
}

.btn-claim-calc:hover {
  transform: translateY(-2px);
  box-shadow: 0 14px 25px -5px rgba(245, 158, 11, 0.55);
}

/* ==========================================================================
   PM Surya Ghar Muft Bijli Yojana Section
   ========================================================================== */
.subsidy-section {
  background: #090e17;
  color: #ffffff;
  position: relative;
}

.subsidy-section .section-title {
  color: #ffffff;
}

.subsidy-section .section-subtitle {
  color: #94a3b8;
}

.subsidy-slabs-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.5rem;
  margin-bottom: 3.5rem;
}

.subsidy-slab-card {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  text-align: center;
  position: relative;
  transition: var(--transition);
}

.subsidy-slab-card.highlight {
  border-color: var(--solar-gold);
  background: rgba(245, 158, 11, 0.08);
  box-shadow: 0 10px 30px -5px rgba(245, 158, 11, 0.2);
}

.slab-badge {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--solar-gold);
  color: #0f172a;
  font-size: 0.72rem;
  font-weight: 800;
  padding: 0.25rem 0.75rem;
  border-radius: var(--radius-full);
  text-transform: uppercase;
}

.slab-capacity {
  font-size: 1.25rem;
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 0.5rem;
}

.slab-amount {
  font-size: 2.1rem;
  font-family: 'Outfit', sans-serif;
  font-weight: 800;
  color: #34d399;
  margin-bottom: 0.5rem;
}

.slab-units {
  font-size: 0.85rem;
  color: #cbd5e1;
  margin-bottom: 1rem;
}

/* Process Timeline */
.process-steps-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.5rem;
  position: relative;
}

.process-step {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  position: relative;
}

.step-num {
  width: 34px;
  height: 34px;
  background: var(--solar-gold);
  color: #090e17;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 0.9rem;
  margin-bottom: 1rem;
}

.process-step h4 {
  color: #ffffff;
  font-size: 1.1rem;
  margin-bottom: 0.4rem;
}

.process-step p {
  color: #94a3b8;
  font-size: 0.85rem;
  line-height: 1.5;
}

/* ==========================================================================
   Why Choose Tiwari Enterprises in Etawah
   ========================================================================== */
.why-section {
  background: #ffffff;
}

.why-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
}

.why-card {
  padding: 2rem;
  border-radius: var(--radius-lg);
  background: #f8fafc;
  border: 1px solid var(--border-light);
  transition: var(--transition);
}

.why-card:hover {
  background: #ffffff;
  box-shadow: var(--shadow-lg);
  border-color: #cbd5e1;
}

.why-icon {
  width: 50px;
  height: 50px;
  border-radius: var(--radius-md);
  background: #fef3c7;
  color: #d97706;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.25rem;
}

.why-icon.green {
  background: #d1fae5;
  color: #059669;
}

.why-icon.blue {
  background: #e0f2fe;
  color: #0284c7;
}

.why-icon.purple {
  background: #f3e8ff;
  color: #7e22ce;
}

.why-card h4 {
  font-size: 1.2rem;
  margin-bottom: 0.5rem;
}

.why-card p {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.6;
}

/* ==========================================================================
   Etawah Customer Testimonials
   ========================================================================== */
.reviews-section {
  background: #f8fafc;
  border-top: 1px solid var(--border-light);
}

.reviews-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1.75rem;
}

.review-card {
  background: #ffffff;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: 1.85rem;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.review-stars {
  display: flex;
  gap: 0.25rem;
  color: #f59e0b;
  margin-bottom: 1rem;
}

.review-text {
  font-size: 0.95rem;
  color: var(--text-muted);
  line-height: 1.65;
  margin-bottom: 1.5rem;
  font-style: italic;
}

.reviewer-meta {
  display: flex;
  align-items: center;
  gap: 0.85rem;
}

.reviewer-avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--solar-gold) 0%, #ea580c 100%);
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 1rem;
}

.reviewer-info h5 {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text-main);
}

.reviewer-info span {
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* ==========================================================================
   Lead Capture & Booking Form Section
   ========================================================================== */
.contact-section {
  background: #ffffff;
  position: relative;
}

.contact-card-box {
  background: linear-gradient(145deg, #090e17 0%, #111827 100%);
  border-radius: var(--radius-xl);
  border: 1px solid rgba(255, 255, 255, 0.1);
  overflow: hidden;
  box-shadow: var(--shadow-xl);
  display: grid;
  grid-template-columns: 1fr 1.15fr;
}

.contact-info-col {
  padding: 3.5rem;
  color: #ffffff;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  background: radial-gradient(circle at 10% 20%, rgba(245, 158, 11, 0.15) 0%, transparent 50%),
              radial-gradient(circle at 80% 90%, rgba(2, 132, 199, 0.1) 0%, transparent 50%);
}

.contact-info-col h3 {
  color: #ffffff;
  font-size: 2rem;
  margin-bottom: 1rem;
}

.contact-info-col p {
  color: #cbd5e1;
  font-size: 1rem;
  line-height: 1.6;
  margin-bottom: 2rem;
}

.contact-details-list {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  margin-bottom: 2.5rem;
}

.contact-detail-item {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.contact-icon-bubble {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.1);
  color: #fbbf24;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.contact-detail-text small {
  display: block;
  font-size: 0.75rem;
  color: #94a3b8;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.contact-detail-text a, .contact-detail-text strong {
  font-size: 1.1rem;
  color: #ffffff;
  font-weight: 700;
}

.contact-detail-text a:hover {
  color: var(--solar-gold);
}

.contact-form-col {
  padding: 3.5rem;
  background: #ffffff;
}

.contact-form-col h4 {
  font-size: 1.45rem;
  margin-bottom: 0.35rem;
}

.contact-form-col p {
  font-size: 0.88rem;
  color: var(--text-muted);
  margin-bottom: 1.75rem;
}

.form-group {
  margin-bottom: 1.25rem;
}

.form-group label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 0.4rem;
  color: var(--text-main);
}

.form-control {
  width: 100%;
  padding: 0.8rem 1rem;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  font-size: 0.95rem;
  font-family: inherit;
  transition: var(--transition);
  background: #f8fafc;
}

.form-control:focus {
  outline: none;
  border-color: var(--solar-gold);
  background: #ffffff;
  box-shadow: 0 0 0 3px rgba(245, 158, 11, 0.15);
}

.form-grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.btn-form-submit {
  width: 100%;
  background: linear-gradient(135deg, #25D366 0%, #1da851 100%);
  color: #ffffff;
  font-weight: 700;
  font-size: 1.05rem;
  padding: 0.95rem;
  border-radius: var(--radius-md);
  border: none;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.65rem;
  box-shadow: 0 10px 20px -3px rgba(37, 211, 102, 0.35);
  transition: var(--transition);
}

.btn-form-submit:hover {
  transform: translateY(-2px);
  box-shadow: 0 14px 26px -3px rgba(37, 211, 102, 0.45);
}

/* ==========================================================================
   FAQ Section
   ========================================================================== */
.faq-section {
  background: #f8fafc;
}

.faq-container {
  max-width: 800px;
  margin: 0 auto;
}

.faq-item {
  background: #ffffff;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  margin-bottom: 1rem;
  overflow: hidden;
  transition: var(--transition);
}

.faq-question {
  padding: 1.25rem 1.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  cursor: pointer;
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--text-main);
}

.faq-question:hover {
  color: var(--primary-dark);
}

.faq-icon {
  transition: transform 0.25s ease;
}

.faq-item.active .faq-icon {
  transform: rotate(180deg);
}

.faq-answer {
  padding: 0 1.5rem 1.25rem 1.5rem;
  font-size: 0.92rem;
  color: var(--text-muted);
  line-height: 1.6;
  display: none;
}

.faq-item.active .faq-answer {
  display: block;
}

/* ==========================================================================
   Footer
   ========================================================================== */
.site-footer {
  background: #090e17;
  color: #94a3b8;
  padding: 4.5rem 0 2rem 0;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 0.9fr 0.9fr 1.1fr;
  gap: 2.5rem;
  margin-bottom: 3.5rem;
}

.footer-brand h4 {
  color: #ffffff;
  font-size: 1.4rem;
  margin-bottom: 0.75rem;
}

.footer-brand p {
  font-size: 0.9rem;
  line-height: 1.6;
  margin-bottom: 1.5rem;
  color: #cbd5e1;
}

.footer-col h5 {
  color: #ffffff;
  font-size: 1.05rem;
  margin-bottom: 1.25rem;
}

.footer-links li {
  margin-bottom: 0.65rem;
}

.footer-links a {
  color: #94a3b8;
  font-size: 0.88rem;
}

.footer-links a:hover {
  color: var(--solar-gold);
  padding-left: 4px;
}

.footer-contact-item {
  display: flex;
  align-items: flex-start;
  gap: 0.65rem;
  margin-bottom: 0.85rem;
  font-size: 0.88rem;
  color: #cbd5e1;
}

.footer-contact-item svg {
  color: var(--solar-gold);
  margin-top: 3px;
  flex-shrink: 0;
}

.footer-bottom {
  padding-top: 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
  font-size: 0.85rem;
}

/* ==========================================================================
   FLOATING ACTION BUTTONS (CALL + WHATSAPP)
   ========================================================================== */
.floating-actions-hub {
  position: fixed;
  bottom: 30px;
  right: 28px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  z-index: 9999;
}

.float-btn {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #ffffff;
  box-shadow: 0 10px 25px -4px rgba(0, 0, 0, 0.3);
  position: relative;
  transition: transform 0.25s cubic-bezier(0.34, 1.56, 0.64, 1), box-shadow 0.25s ease;
  cursor: pointer;
  text-decoration: none;
}

.float-btn:hover {
  transform: scale(1.1) translateY(-3px);
}

.float-btn svg {
  width: 30px;
  height: 30px;
}

/* WhatsApp Floating Button */
.float-whatsapp {
  background: linear-gradient(135deg, #25D366 0%, #128C7E 100%);
  box-shadow: 0 8px 24px rgba(37, 211, 102, 0.45);
  animation: pulse-green 2.5s infinite;
}

.float-whatsapp:hover {
  box-shadow: 0 14px 28px rgba(37, 211, 102, 0.6);
}

/* Direct Call Floating Button */
.float-call {
  background: linear-gradient(135deg, #0284c7 0%, #0369a1 100%);
  box-shadow: 0 8px 24px rgba(2, 132, 199, 0.45);
  animation: pulse-blue 2.5s infinite 1.25s;
}

.float-call:hover {
  box-shadow: 0 14px 28px rgba(2, 132, 199, 0.6);
}

/* Floating Tooltip */
.float-tooltip {
  position: absolute;
  right: 70px;
  background: #0f172a;
  color: #ffffff;
  padding: 6px 12px;
  border-radius: var(--radius-sm);
  font-size: 0.78rem;
  font-weight: 600;
  white-space: nowrap;
  pointer-events: none;
  opacity: 0;
  transform: translateX(10px);
  transition: all 0.2s ease;
  box-shadow: var(--shadow-md);
}

.float-tooltip::after {
  content: '';
  position: absolute;
  top: 50%;
  right: -5px;
  transform: translateY(-50%);
  border-width: 5px 0 5px 5px;
  border-style: solid;
  border-color: transparent transparent transparent #0f172a;
}

.float-btn:hover .float-tooltip {
  opacity: 1;
  transform: translateX(0);
}

/* Pulse Animations */
@keyframes pulse-green {
  0% {
    box-shadow: 0 0 0 0 rgba(37, 211, 102, 0.65);
  }
  70% {
    box-shadow: 0 0 0 16px rgba(37, 211, 102, 0);
  }
  100% {
    box-shadow: 0 0 0 0 rgba(37, 211, 102, 0);
  }
}

@keyframes pulse-blue {
  0% {
    box-shadow: 0 0 0 0 rgba(2, 132, 199, 0.65);
  }
  70% {
    box-shadow: 0 0 0 16px rgba(2, 132, 199, 0);
  }
  100% {
    box-shadow: 0 0 0 0 rgba(2, 132, 199, 0);
  }
}

/* Mobile Quick Action Sticky Bar */
.mobile-bottom-dock {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  width: 100%;
  background: #ffffff;
  border-top: 1px solid var(--border-light);
  padding: 0.6rem 1rem;
  z-index: 9998;
  box-shadow: 0 -4px 15px rgba(0, 0, 0, 0.08);
}

.dock-actions {
  display: grid;
  grid-template-columns: 1fr 1.25fr;
  gap: 0.75rem;
}

.dock-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem;
  border-radius: var(--radius-md);
  font-weight: 700;
  font-size: 0.95rem;
  color: #ffffff;
}

.dock-call {
  background: #0284c7;
}

.dock-wa {
  background: #25D366;
}

/* ==========================================================================
   Responsive Breakpoints
   ========================================================================== */
@media (max-width: 1024px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }
  .adwin-hero-banner {
    grid-template-columns: 1fr;
  }
  .calc-box {
    grid-template-columns: 1fr;
  }
  .contact-card-box {
    grid-template-columns: 1fr;
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 768px) {
  .nav-links, .btn-header-quote {
    display: none;
  }
  .mobile-menu-toggle {
    display: block;
  }
  .hero-title {
    font-size: 2.35rem;
  }
  .hero-stats-row {
    grid-template-columns: 1fr;
    gap: 1rem;
  }
  .calc-controls, .calc-results {
    padding: 1.75rem;
  }
  .contact-info-col, .contact-form-col {
    padding: 1.75rem;
  }
  .form-grid-2 {
    grid-template-columns: 1fr;
  }
  .floating-actions-hub {
    bottom: 80px;
    right: 18px;
  }
  .mobile-bottom-dock {
    display: block;
  }
  body {
    padding-bottom: 70px;
  }
}