/* ==========================================================================
   E-Rickshaw Dealership Website — Stylesheet
   Color Palette: White, Green (#2ecc71), Blue (#2980b9), Dark (#1a1a2e)
   Fonts: Poppins (headings), Inter (body)
   ========================================================================== */

/* ==========================================================================
   1. CSS Variables
   ========================================================================== */
:root {
  /* Colors */
  --white: #ffffff;
  --bg-light: #f8f9fa;
  --bg-section: #f0f4f8;

  --green: #2ecc71;
  --green-dark: #27ae60;
  --green-light: rgba(46, 204, 113, 0.12);

  --blue: #3498db;
  --blue-dark: #2980b9;
  --blue-light: rgba(52, 152, 219, 0.12);

  --dark: #1a1a2e;
  --dark-light: #16213e;
  --text: #2d3436;
  --text-muted: #636e72;
  --border: #dfe6e9;

  /* Typography */
  --font-heading: 'Poppins', sans-serif;
  --font-body: 'Inter', sans-serif;

  /* Shadows */
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.06);
  --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 12px 32px rgba(0, 0, 0, 0.15);
  --shadow-xl: 0 20px 48px rgba(0, 0, 0, 0.18);

  /* Transitions */
  --fast: 0.2s ease;
  --normal: 0.3s ease;
  --slow: 0.5s ease;

  /* Spacing */
  --section-py: clamp(4rem, 6vw, 7rem);
  --container-px: clamp(1rem, 3vw, 2rem);
  --radius: 10px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-pill: 50px;
}

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

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

body {
  font-family: var(--font-body);
  color: var(--text);
  background: var(--white);
  line-height: 1.7;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

ul { list-style: none; }

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

button, input, textarea, select {
  font-family: inherit;
  font-size: inherit;
  outline: none;
  border: none;
  background: none;
}

/* ==========================================================================
   3. Typography
   ========================================================================== */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  color: var(--dark);
  font-weight: 600;
  line-height: 1.25;
}

h1 { font-size: clamp(2.2rem, 5vw, 3.8rem); font-weight: 700; }
h2 { font-size: clamp(1.8rem, 4vw, 2.8rem); }
h3 { font-size: clamp(1.3rem, 2.5vw, 1.8rem); }
h4 { font-size: 1.1rem; }

p { margin-bottom: 1rem; }

.gradient-text {
  background: linear-gradient(135deg, var(--green), var(--blue));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.text-left { text-align: left; }

/* ==========================================================================
   4. Layout
   ========================================================================== */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--container-px);
}

.section {
  padding: var(--section-py) 0;
}

/* Section Headers */
.section-header {
  text-align: center;
  margin-bottom: 3.5rem;
}

.section-tag {
  display: inline-block;
  background: var(--green-light);
  color: var(--green-dark);
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 2px;
  padding: 0.4rem 1.2rem;
  border-radius: var(--radius-pill);
  margin-bottom: 1rem;
}

.section-title {
  margin-bottom: 0.75rem;
  position: relative;
}

.section-header .section-title::after {
  content: '';
  display: block;
  width: 60px;
  height: 4px;
  background: linear-gradient(90deg, var(--green), var(--blue));
  margin: 1rem auto 0;
  border-radius: 2px;
}

.section-subtitle {
  color: var(--text-muted);
  font-size: 1.05rem;
  max-width: 620px;
  margin: 0 auto;
  line-height: 1.7;
}

/* ==========================================================================
   5. Buttons
   ========================================================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.85rem 2rem;
  font-family: var(--font-heading);
  font-weight: 500;
  font-size: 0.95rem;
  border-radius: var(--radius-pill);
  cursor: pointer;
  transition: all var(--normal);
  position: relative;
  overflow: hidden;
  white-space: nowrap;
}

.btn-primary {
  background: linear-gradient(135deg, var(--green), var(--green-dark));
  color: var(--white);
  box-shadow: 0 4px 15px rgba(46, 204, 113, 0.35);
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 25px rgba(46, 204, 113, 0.45);
}

.btn-outline {
  background: transparent;
  color: var(--white);
  border: 2px solid rgba(255, 255, 255, 0.6);
}

.btn-outline:hover {
  background: var(--white);
  color: var(--dark);
  border-color: var(--white);
  transform: translateY(-3px);
}

.btn-enquire {
  background: linear-gradient(135deg, var(--blue), var(--blue-dark));
  color: var(--white);
  padding: 0.7rem 1.5rem;
  font-size: 0.9rem;
  box-shadow: 0 4px 12px rgba(52, 152, 219, 0.3);
  cursor: pointer;
}

.btn-enquire:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(52, 152, 219, 0.4);
}

.btn-submit {
  width: 100%;
}

/* ==========================================================================
   6. Preloader
   ========================================================================== */
#preloader {
  position: fixed;
  inset: 0;
  background: var(--white);
  z-index: 99999;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: opacity 0.6s ease, visibility 0.6s ease;
}

#preloader.hidden {
  opacity: 0;
  visibility: hidden;
}

.preloader-inner {
  text-align: center;
}

.preloader-icon {
  width: 60px;
  height: 60px;
  margin: 0 auto 1rem;
  background: linear-gradient(135deg, var(--green), var(--blue));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  animation: preloaderPulse 1.2s ease-in-out infinite;
}

.preloader-icon i {
  color: var(--white);
  font-size: 1.5rem;
}

.preloader-inner p {
  color: var(--text-muted);
  font-weight: 500;
}

@keyframes preloaderPulse {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.15); }
}

/* ==========================================================================
   7. Header / Navigation
   ========================================================================== */
#header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  padding: 1.2rem 0;
  transition: all var(--normal);
}

#header.scrolled {
  background: rgba(255, 255, 255, 0.97);
  backdrop-filter: blur(10px);
  padding: 0.8rem 0;
  box-shadow: 0 2px 20px rgba(0, 0, 0, 0.08);
}

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

/* Logo */
.logo {
  display: flex;
  align-items: center;
  z-index: 1001;
}

.logo-img {
  height: 52px;
  width: auto;
  transition: all var(--normal);
  filter: drop-shadow(0 2px 8px rgba(0,0,0,0.3));
}

#header.scrolled .logo-img {
  height: 46px;
}

.footer-logo-img {
  height: 55px;
  width: auto;
  margin-bottom: 0.5rem;
}

/* Nav Links */
.nav-links {
  display: flex;
  gap: 2rem;
  align-items: center;
}

.nav-link {
  font-weight: 500;
  font-size: 0.95rem;
  color: rgba(255, 255, 255, 0.9);
  position: relative;
  padding: 0.3rem 0;
  transition: color var(--normal);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2.5px;
  background: linear-gradient(90deg, var(--green), var(--blue));
  border-radius: 2px;
  transition: width var(--normal);
}

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

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

#header.scrolled .nav-link {
  color: var(--text);
}

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

/* Hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  z-index: 1001;
  padding: 0.5rem;
  background: none;
}

.hamburger .bar {
  width: 25px;
  height: 2.5px;
  background: var(--white);
  border-radius: 2px;
  transition: all var(--normal);
}

#header.scrolled .hamburger .bar {
  background: var(--dark);
}

.hamburger.active .bar:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.hamburger.active .bar:nth-child(2) {
  opacity: 0;
}

.hamburger.active .bar:nth-child(3) {
  transform: rotate(-45deg) translate(6px, -6px);
}

/* ==========================================================================
   8. Hero Section
   ========================================================================== */
.hero {
  min-height: 100vh;
  position: relative;
  display: flex;
  align-items: center;
  background: linear-gradient(135deg, #0c1524 0%, #1a1a2e 40%, #16213e 100%);
  color: var(--white);
  overflow: hidden;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: 
    radial-gradient(circle at 20% 50%, rgba(46, 204, 113, 0.15) 0%, transparent 50%),
    radial-gradient(circle at 80% 50%, rgba(52, 152, 219, 0.15) 0%, transparent 50%);
}

/* Animated particles */
.hero-particles {
  position: absolute;
  inset: 0;
  overflow: hidden;
}

.particle {
  position: absolute;
  border-radius: 50%;
  opacity: 0.15;
}

.particle-1 {
  width: 300px;
  height: 300px;
  background: var(--green);
  top: -100px;
  right: -50px;
  animation: particleFloat 8s ease-in-out infinite;
}

.particle-2 {
  width: 200px;
  height: 200px;
  background: var(--blue);
  bottom: -60px;
  left: -40px;
  animation: particleFloat 10s ease-in-out infinite reverse;
}

.particle-3 {
  width: 150px;
  height: 150px;
  background: var(--green);
  top: 40%;
  right: 15%;
  animation: particleFloat 6s ease-in-out infinite;
}

.particle-4 {
  width: 80px;
  height: 80px;
  background: var(--blue);
  top: 20%;
  left: 20%;
  animation: particleFloat 7s ease-in-out infinite reverse;
}

.particle-5 {
  width: 120px;
  height: 120px;
  background: var(--green);
  bottom: 20%;
  right: 30%;
  animation: particleFloat 9s ease-in-out infinite;
}

@keyframes particleFloat {
  0%, 100% { transform: translate(0, 0) scale(1); }
  33% { transform: translate(30px, -20px) scale(1.05); }
  66% { transform: translate(-20px, 20px) scale(0.95); }
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 750px;
  padding: 6rem 0 3rem;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: rgba(46, 204, 113, 0.15);
  border: 1px solid rgba(46, 204, 113, 0.3);
  color: var(--green);
  padding: 0.4rem 1rem;
  border-radius: var(--radius-pill);
  font-size: 0.85rem;
  font-weight: 500;
  margin-bottom: 1.5rem;
}

.hero-title {
  color: var(--white);
  margin-bottom: 1.5rem;
  line-height: 1.2;
}

.hero-subtitle {
  font-size: 1.1rem;
  color: rgba(255, 255, 255, 0.75);
  line-height: 1.8;
  margin-bottom: 2.5rem;
  max-width: 600px;
}

.hero-subtitle strong {
  color: var(--white);
}

.hero-buttons {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: 3rem;
}

.hero-stats {
  display: flex;
  gap: 2rem;
  flex-wrap: wrap;
}

.hero-stat {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: rgba(255, 255, 255, 0.6);
  font-size: 0.9rem;
}

.hero-stat i {
  color: var(--green);
}

.hero-scroll-indicator {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
}

.hero-scroll-indicator a {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  color: rgba(255, 255, 255, 0.5);
  font-size: 0.8rem;
  animation: scrollBounce 2s infinite;
}

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

/* ==========================================================================
   9. Products Section
   ========================================================================== */
.products-section {
  background: var(--bg-light);
}

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

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

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

.product-image {
  height: 220px;
  position: relative;
  overflow: hidden;
}

.product-image-placeholder {
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, #e8f5e9 0%, #e3f2fd 100%);
  display: flex;
  align-items: center;
  justify-content: center;
}

.product-image-placeholder i {
  font-size: 4rem;
  color: var(--green);
  opacity: 0.4;
}

.placeholder-custom {
  background: linear-gradient(135deg, #fff3e0 0%, #e8f5e9 100%);
}

.placeholder-custom i {
  color: var(--blue);
}

.product-badge {
  position: absolute;
  top: 1rem;
  right: 1rem;
  padding: 0.3rem 0.9rem;
  border-radius: var(--radius-pill);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.5px;
}

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

.brand-yatri {
  background: var(--blue);
  color: var(--white);
}

.product-info {
  padding: 1.5rem;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.product-brand {
  font-size: 0.8rem;
  color: var(--green-dark);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 0.25rem;
  font-weight: 600;
}

.product-model {
  font-size: 1.2rem;
  margin-bottom: 0.75rem;
  color: var(--dark);
}

.product-desc {
  color: var(--text-muted);
  font-size: 0.9rem;
  line-height: 1.6;
  margin-bottom: 1rem;
  flex: 1;
}

.product-features {
  margin-bottom: 1.25rem;
  padding-bottom: 1.25rem;
  border-bottom: 1px solid var(--border);
}

.product-features li {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 0.4rem;
}

.product-features li i {
  color: var(--green);
  font-size: 0.75rem;
}

/* Brand Showcase */
.brand-showcase {
  margin-top: 4rem;
  text-align: center;
  padding: 3rem 2rem;
  background: var(--white);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-sm);
}

.brand-showcase-title {
  margin-bottom: 2rem;
  color: var(--text-muted);
  font-size: 1rem;
  text-transform: uppercase;
  letter-spacing: 2px;
}

.brand-logos {
  display: flex;
  justify-content: center;
  gap: 3rem;
  flex-wrap: wrap;
}

.brand-logo-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.75rem;
}

.brand-logo-circle {
  width: 70px;
  height: 70px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--green-light), var(--blue-light));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  color: var(--green-dark);
  transition: transform var(--normal);
}

.brand-logo-item:hover .brand-logo-circle {
  transform: scale(1.1);
}

.brand-logo-item span {
  font-weight: 600;
  color: var(--text);
  font-size: 0.9rem;
}

/* ==========================================================================
   10. Batteries Section
   ========================================================================== */
.batteries-section {
  background: var(--white);
}

.battery-tabs {
  display: flex;
  justify-content: center;
  gap: 1rem;
  margin-bottom: 2.5rem;
  flex-wrap: wrap;
}

.battery-tab {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.85rem 2rem;
  border-radius: var(--radius-pill);
  font-family: var(--font-heading);
  font-weight: 500;
  font-size: 0.95rem;
  cursor: pointer;
  transition: all var(--normal);
  background: var(--bg-section);
  color: var(--text-muted);
  border: 2px solid transparent;
}

.battery-tab:hover {
  border-color: var(--green);
  color: var(--green-dark);
}

.battery-tab.active {
  background: linear-gradient(135deg, var(--green), var(--green-dark));
  color: var(--white);
  box-shadow: 0 4px 15px rgba(46, 204, 113, 0.3);
}

.battery-content {
  display: none;
}

.battery-content.active {
  display: grid;
}

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

.battery-card {
  background: var(--bg-light);
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border);
  transition: all var(--normal);
  display: flex;
  flex-direction: column;
}

.battery-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: transparent;
}

.battery-image {
  height: 200px;
  position: relative;
  overflow: hidden;
}

.battery-image-placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.battery-image-placeholder.lithium {
  background: linear-gradient(135deg, #e8f5e9 0%, #c8e6c9 100%);
}

.battery-image-placeholder.lithium i {
  font-size: 3.5rem;
  color: var(--green);
  opacity: 0.5;
}

.battery-image-placeholder.leadacid {
  background: linear-gradient(135deg, #e3f2fd 0%, #bbdefb 100%);
}

.battery-image-placeholder.leadacid i {
  font-size: 3.5rem;
  color: var(--blue);
  opacity: 0.5;
}

.battery-type-badge {
  position: absolute;
  top: 1rem;
  right: 1rem;
  padding: 0.3rem 0.9rem;
  border-radius: var(--radius-pill);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.5px;
}

.battery-type-badge.lithium {
  background: var(--green);
  color: var(--white);
}

.battery-type-badge.leadacid {
  background: var(--blue);
  color: var(--white);
}

.battery-info {
  padding: 1.5rem;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.battery-name {
  font-size: 1.15rem;
  margin-bottom: 0.3rem;
  color: var(--dark);
}

.battery-type {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 1rem;
}

.battery-features {
  margin-bottom: 1.25rem;
  flex: 1;
}

.battery-features li {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 0.88rem;
  color: var(--text);
  margin-bottom: 0.5rem;
}

.battery-features li i {
  color: var(--green);
  font-size: 0.8rem;
}

.battery-compatible {
  background: rgba(52, 152, 219, 0.08);
  padding: 0.8rem 1rem;
  border-radius: var(--radius);
  margin-bottom: 1.25rem;
  font-size: 0.85rem;
}

.battery-compatible strong {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  color: var(--blue-dark);
  margin-bottom: 0.25rem;
}

.battery-compatible span {
  color: var(--text-muted);
}

/* ==========================================================================
   11. About Section
   ========================================================================== */
.about-section {
  background: var(--bg-section);
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 3rem;
  align-items: start;
}

.about-text {
  color: var(--text-muted);
  font-size: 0.95rem;
  line-height: 1.8;
}

.about-highlights {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin-top: 2rem;
}

.highlight-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.8rem 1rem;
  background: var(--white);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  transition: transform var(--normal);
}

.highlight-item:hover {
  transform: translateY(-3px);
}

.highlight-item i {
  color: var(--green);
  font-size: 1.2rem;
}

.highlight-item span {
  font-weight: 500;
  font-size: 0.9rem;
}

/* Stats Cards */
.about-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
}

.stat-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  text-align: center;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border);
  transition: all var(--normal);
}

.stat-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-md);
  border-color: var(--green);
}

.stat-icon {
  width: 50px;
  height: 50px;
  margin: 0 auto 0.75rem;
  background: linear-gradient(135deg, var(--green-light), var(--blue-light));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  color: var(--green-dark);
}

.stat-number {
  font-family: var(--font-heading);
  font-size: 2.2rem;
  font-weight: 700;
  color: var(--dark);
  display: inline;
}

.stat-suffix {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--green);
  display: inline;
}

.stat-label {
  color: var(--text-muted);
  font-size: 0.85rem;
  margin-top: 0.25rem;
}

/* ==========================================================================
   12. Testimonials Section
   ========================================================================== */
.testimonials-section {
  background: var(--white);
}

.testimonial-slider {
  position: relative;
  overflow: hidden;
}

.testimonial-track {
  display: flex;
  transition: transform 0.5s ease;
}

.testimonial-card {
  min-width: 100%;
  padding: 2.5rem;
  background: var(--bg-light);
  border-radius: var(--radius-xl);
  border: 1px solid var(--border);
}

.testimonial-quote {
  margin-bottom: 1rem;
}

.testimonial-quote i {
  font-size: 2rem;
  color: var(--green);
  opacity: 0.3;
}

.testimonial-text {
  font-size: 1.05rem;
  color: var(--text);
  line-height: 1.8;
  font-style: italic;
  margin-bottom: 1.5rem;
}

.testimonial-rating {
  margin-bottom: 1.25rem;
}

.testimonial-rating i {
  color: #f39c12;
  font-size: 0.95rem;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.testimonial-avatar {
  width: 50px;
  height: 50px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--green-light), var(--blue-light));
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--green-dark);
  font-size: 1.2rem;
}

.testimonial-author h4 {
  font-size: 1rem;
  margin-bottom: 0.15rem;
}

.testimonial-author span {
  font-size: 0.85rem;
  color: var(--text-muted);
}

.testimonial-dots {
  display: flex;
  justify-content: center;
  gap: 0.5rem;
  margin-top: 2rem;
}

.dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--border);
  cursor: pointer;
  transition: all var(--normal);
}

.dot.active {
  background: var(--green);
  width: 30px;
  border-radius: 5px;
}

/* ==========================================================================
   13. FAQ Section
   ========================================================================== */
.faq-section {
  background: var(--bg-section);
}

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

.faq-item {
  background: var(--white);
  border-radius: var(--radius);
  margin-bottom: 0.75rem;
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  border: 1px solid var(--border);
  transition: border-color var(--normal);
}

.faq-item.active {
  border-color: var(--green);
}

.faq-question {
  width: 100%;
  padding: 1.25rem 1.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  cursor: pointer;
  font-weight: 600;
  font-family: var(--font-heading);
  font-size: 0.95rem;
  color: var(--dark);
  text-align: left;
  transition: background var(--normal);
}

.faq-question:hover {
  background: var(--bg-light);
}

.faq-icon {
  transition: transform var(--normal);
  color: var(--green);
  font-size: 0.9rem;
}

.faq-item.active .faq-icon {
  transform: rotate(45deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease;
}

.faq-answer p {
  padding: 0 1.5rem 1.25rem;
  color: var(--text-muted);
  line-height: 1.7;
  font-size: 0.93rem;
}

/* ==========================================================================
   14. Contact Section
   ========================================================================== */
.contact-section {
  background: var(--white);
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 3rem;
}

/* Contact Form */
.contact-form-wrapper {
  background: var(--bg-light);
  padding: 2rem;
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-sm);
}

.contact-form-wrapper h3 {
  margin-bottom: 1.5rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--dark);
}

.contact-form-wrapper h3 i {
  color: var(--green);
}

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

.form-group label {
  display: block;
  margin-bottom: 0.4rem;
  font-weight: 500;
  font-size: 0.9rem;
  color: var(--dark);
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 0.85rem 1rem;
  border: 1.5px solid var(--border);
  border-radius: var(--radius);
  background: var(--white);
  font-size: 0.95rem;
  color: var(--text);
  transition: all var(--normal);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  border-color: var(--blue);
  box-shadow: 0 0 0 3px rgba(52, 152, 219, 0.1);
}

.form-group input.error,
.form-group textarea.error {
  border-color: #e74c3c;
  box-shadow: 0 0 0 3px rgba(231, 76, 60, 0.1);
}

.form-group textarea {
  resize: vertical;
  min-height: 100px;
}

.form-group select {
  cursor: pointer;
  appearance: auto;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
}

.form-success {
  display: none;
  text-align: center;
  padding: 1.5rem;
  margin-top: 1rem;
  background: var(--green-light);
  border-radius: var(--radius);
}

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

.form-success i {
  font-size: 2rem;
  color: var(--green);
  margin-bottom: 0.5rem;
}

.form-success p {
  color: var(--green-dark);
  font-weight: 500;
  margin: 0;
}

/* Contact Info */
.contact-info-wrapper {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.contact-info-card {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1.25rem;
  background: var(--bg-light);
  border-radius: var(--radius);
  transition: transform var(--normal);
}

.contact-info-card:hover {
  transform: translateX(5px);
}

.contact-info-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  flex-shrink: 0;
  background: var(--blue-light);
  color: var(--blue);
}

.contact-info-icon.whatsapp {
  background: rgba(37, 211, 102, 0.12);
  color: #25d366;
}

.contact-info-icon.email {
  background: var(--green-light);
  color: var(--green-dark);
}

.contact-info-icon.address {
  background: rgba(231, 76, 60, 0.1);
  color: #e74c3c;
}

.contact-info-icon.hours {
  background: rgba(243, 156, 18, 0.1);
  color: #f39c12;
}

.contact-info-text h4 {
  font-size: 0.9rem;
  margin-bottom: 0.2rem;
  color: var(--dark);
}

.contact-info-text a,
.contact-info-text p {
  font-size: 0.9rem;
  color: var(--text-muted);
  margin: 0;
}

.contact-info-text a:hover {
  color: var(--blue);
}

/* Map */
.contact-map {
  margin-top: 0.5rem;
}

.contact-map h4 {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 1rem;
  color: var(--dark);
}

.contact-map h4 i {
  color: var(--green);
}

.map-container {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}

/* ==========================================================================
   15. Footer
   ========================================================================== */
.footer {
  background: var(--dark);
  color: rgba(255, 255, 255, 0.7);
  padding-top: 4rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.5rem;
  padding-bottom: 3rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  margin-bottom: 1.25rem;
}

.footer-logo i {
  width: 36px;
  height: 36px;
  background: linear-gradient(135deg, var(--green), var(--blue));
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  font-size: 1rem;
}

.footer-logo span {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.2rem;
  color: var(--white);
}

.footer-about-text {
  font-size: 0.9rem;
  line-height: 1.7;
  margin-bottom: 1.25rem;
}

.footer-social {
  display: flex;
  gap: 0.75rem;
}

.social-icon {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.08);
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255, 255, 255, 0.7);
  transition: all var(--fast);
}

.social-icon:hover {
  background: var(--green);
  color: var(--white);
  transform: translateY(-3px);
}

.footer-title {
  color: var(--white);
  font-size: 1.1rem;
  margin-bottom: 1.25rem;
  position: relative;
  padding-bottom: 0.75rem;
}

.footer-title::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 35px;
  height: 3px;
  background: var(--green);
  border-radius: 2px;
}

.footer-links li {
  margin-bottom: 0.6rem;
}

.footer-links a {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.9rem;
  color: rgba(255, 255, 255, 0.6);
  transition: all var(--fast);
}

.footer-links a i {
  font-size: 0.7rem;
  color: var(--green);
  transition: transform var(--fast);
}

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

.footer-links a:hover i {
  transform: translateX(3px);
}

.footer-contact li {
  display: flex;
  gap: 0.75rem;
  margin-bottom: 0.75rem;
  font-size: 0.9rem;
}

.footer-contact i {
  color: var(--green);
  margin-top: 3px;
  width: 16px;
}

.footer-contact a {
  color: rgba(255, 255, 255, 0.6);
}

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

.footer-bottom {
  padding: 1.5rem 0;
  text-align: center;
  font-size: 0.85rem;
  margin-top: 2rem;
}

/* ==========================================================================
   16. Floating Buttons
   ========================================================================== */
.floating-buttons {
  position: fixed;
  z-index: 999;
  bottom: 1.5rem;
  right: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  opacity: 0;
  transform: translateY(20px);
  transition: all 0.5s ease;
}

.floating-buttons.show {
  opacity: 1;
  transform: translateY(0);
}

.floating-btn {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  color: var(--white);
  box-shadow: var(--shadow-lg);
  transition: transform var(--fast);
}

.floating-btn:hover {
  transform: scale(1.12);
}

.whatsapp-btn {
  background: #25d366;
  animation: whatsappPulse 2s infinite;
}

.call-btn {
  background: var(--blue);
}

@keyframes whatsappPulse {
  0% { box-shadow: 0 0 0 0 rgba(37, 211, 102, 0.5); }
  70% { box-shadow: 0 0 0 14px rgba(37, 211, 102, 0); }
  100% { box-shadow: 0 0 0 0 rgba(37, 211, 102, 0); }
}

/* Back to Top */
.back-to-top {
  position: fixed;
  bottom: 1.5rem;
  left: 1.5rem;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--dark);
  color: var(--white);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  box-shadow: var(--shadow-md);
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: all var(--normal);
  z-index: 999;
}

.back-to-top.show {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.back-to-top:hover {
  background: var(--green);
  transform: translateY(-3px);
}

/* ==========================================================================
   17. Modal / Enquiry Form
   ========================================================================== */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(4px);
  z-index: 10000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
  opacity: 0;
  visibility: hidden;
  transition: all var(--normal);
}

.modal-overlay.active {
  opacity: 1;
  visibility: visible;
}

.modal-content {
  background: var(--white);
  width: 100%;
  max-width: 480px;
  max-height: 90vh;
  overflow-y: auto;
  border-radius: var(--radius-xl);
  padding: 2rem;
  position: relative;
  transform: scale(0.9) translateY(20px);
  transition: transform var(--normal);
}

.modal-overlay.active .modal-content {
  transform: scale(1) translateY(0);
}

.modal-close {
  position: absolute;
  top: 1rem;
  right: 1rem;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--bg-light);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  color: var(--text-muted);
  font-size: 1rem;
  transition: all var(--fast);
}

.modal-close:hover {
  background: #e74c3c;
  color: var(--white);
}

.modal-header {
  text-align: center;
  margin-bottom: 1.5rem;
}

.modal-header i {
  font-size: 2rem;
  color: var(--green);
  margin-bottom: 0.5rem;
}

.modal-header h3 {
  font-size: 1.3rem;
}

/* ==========================================================================
   18. Scroll Animations
   ========================================================================== */
.fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s ease-out, transform 0.7s ease-out;
}

.fade-in.animate {
  opacity: 1;
  transform: translateY(0);
}

/* Staggered delays for grid items */
.fade-in:nth-child(1) { transition-delay: 0s; }
.fade-in:nth-child(2) { transition-delay: 0.1s; }
.fade-in:nth-child(3) { transition-delay: 0.2s; }
.fade-in:nth-child(4) { transition-delay: 0.3s; }
.fade-in:nth-child(5) { transition-delay: 0.4s; }
.fade-in:nth-child(6) { transition-delay: 0.5s; }

/* ==========================================================================
   19. Custom Scrollbar
   ========================================================================== */
::-webkit-scrollbar {
  width: 8px;
}

::-webkit-scrollbar-track {
  background: var(--bg-light);
}

::-webkit-scrollbar-thumb {
  background: linear-gradient(var(--green), var(--blue));
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--blue-dark);
}

/* ==========================================================================
   20. Responsive — Tablet & Desktop Footer Grid
   ========================================================================== */
@media (min-width: 600px) {
  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 768px) {
  .products-grid {
    grid-template-columns: repeat(2, 1fr);
  }

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

  .about-grid {
    grid-template-columns: 1.2fr 1fr;
  }

  .contact-grid {
    grid-template-columns: 1.2fr 1fr;
  }

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

  .testimonial-card {
    padding: 3rem;
  }
}

@media (min-width: 850px) {
  .footer-grid {
    grid-template-columns: 2fr 1.1fr 1.3fr 1.5fr;
    gap: 2rem;
  }
}

/* ==========================================================================
   21. Responsive — Desktop (1024px+)
   ========================================================================== */
@media (min-width: 1024px) {
  .products-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .battery-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .hero-content {
    padding: 8rem 0 4rem;
  }
}

/* ==========================================================================
   22. Responsive — Mobile Nav (max-width: 768px)
   ========================================================================== */
@media (max-width: 768px) {
  .hamburger {
    display: flex;
  }

  .nav-links {
    position: fixed;
    top: 0;
    right: -100%;
    width: 75%;
    max-width: 320px;
    height: 100vh;
    background: var(--white);
    flex-direction: column;
    justify-content: center;
    gap: 1.5rem;
    padding: 2rem;
    transition: right var(--normal);
    box-shadow: -5px 0 30px rgba(0, 0, 0, 0.1);
    z-index: 1000;
  }

  .nav-links.active {
    right: 0;
  }

  .nav-links .nav-link {
    color: var(--dark);
    font-size: 1.15rem;
  }

  .hero-content {
    padding: 7rem 0 3rem;
  }

  .hero-title {
    font-size: 2rem;
  }

  .hero-buttons {
    flex-direction: column;
    gap: 0.75rem;
  }

  .hero-buttons .btn {
    width: 100%;
    justify-content: center;
  }

  .hero-stats {
    flex-direction: column;
    gap: 0.75rem;
  }

  .about-highlights {
    grid-template-columns: 1fr;
  }

  .contact-form-wrapper {
    padding: 1.5rem;
  }

  .hero-scroll-indicator {
    display: none;
  }

  .floating-buttons {
    bottom: 1rem;
    right: 1rem;
  }

  .floating-btn {
    width: 50px;
    height: 50px;
    font-size: 1.3rem;
  }

  .back-to-top {
    left: 1rem;
    bottom: 1rem;
    width: 40px;
    height: 40px;
  }
}

/* Small mobile */
@media (max-width: 480px) {
  .about-stats {
    grid-template-columns: 1fr;
  }

  .brand-logos {
    flex-direction: column;
    align-items: center;
    gap: 1.5rem;
  }

  .battery-tabs {
    flex-direction: column;
  }

  .battery-tab {
    width: 100%;
    justify-content: center;
  }
}
