/* ==========================================================================
   SD RENEWABLE - Main Stylesheet
   Location: Bhopal, Madhya Pradesh, India
   Theme: Modern Clean Energy & Rooftop Solar Solutions
   ========================================================================== */

/* Import Modern Google Fonts */
@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@400;500;600;700;800&family=Plus+Jakarta+Sans:wght@400;500;600;700&display=swap');

/* --- CSS Variables & Design Tokens --- */
:root {
  --primary: #0F766E;        /* Deep Solar Emerald / Teal */
  --primary-hover: #0D655E;  
  --primary-light: #E6F4F1;  
  --secondary: #16A34A;      /* Eco Leaf Green */
  --secondary-hover: #15803D;
  --secondary-light: #DCFCE7;
  --accent: #F59E0B;         /* Solar Sun Gold */
  --accent-hover: #D97706;   
  --accent-light: #FEF3C7;   
  --dark: #0F172A;           /* Slate Navy */
  --dark-surface: #1E293B;   
  --dark-muted: #475569;     
  --light: #F8FAFC;          /* Soft Off-White */
  --light-card: #FFFFFF;     
  --white: #FFFFFF;          
  --border: #E2E8F0;         
  --shadow-sm: 0 2px 4px rgba(15, 23, 42, 0.04);
  --shadow-md: 0 10px 25px -5px rgba(15, 118, 110, 0.08);
  --shadow-lg: 0 20px 35px -10px rgba(15, 118, 110, 0.14);
  --shadow-glow: 0 0 25px rgba(245, 158, 11, 0.35);
  --glass-bg: rgba(255, 255, 255, 0.85);
  --glass-border: rgba(255, 255, 255, 0.3);
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 24px;
  --radius-full: 9999px;
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --font-heading: 'Outfit', -apple-system, sans-serif;
  --font-body: 'Plus Jakarta Sans', -apple-system, sans-serif;
}

/* --- Base & Reset Styles --- */
*, *::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(--dark-surface);
  background-color: var(--light);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  color: var(--dark);
  font-weight: 700;
  line-height: 1.25;
}

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

ul {
  list-style: none;
}

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

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

/* --- Layout Utility Classes --- */
.container {
  width: 100%;
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

.section {
  padding: 5rem 0;
  position: relative;
}

.section-light {
  background-color: var(--light);
}

.section-white {
  background-color: var(--white);
}

.section-dark {
  background-color: var(--dark);
  color: var(--white);
}

.section-dark h2, .section-dark h3, .section-dark p {
  color: var(--white);
}

.text-center { text-align: center; }
.text-primary { color: var(--primary) !important; }
.text-secondary { color: var(--secondary) !important; }
.text-accent { color: var(--accent) !important; }

/* Section Title Component */
.section-header {
  max-width: 720px;
  margin: 0 auto 3.5rem auto;
  text-align: center;
}

.badge-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.4rem 1rem;
  background-color: var(--primary-light);
  color: var(--primary);
  border: 1px solid rgba(15, 118, 110, 0.2);
  border-radius: var(--radius-full);
  font-size: 0.875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 1rem;
}

.badge-tag.badge-accent {
  background-color: var(--accent-light);
  color: var(--accent-hover);
  border-color: rgba(245, 158, 11, 0.3);
}

.section-header h2 {
  font-size: 2.5rem;
  letter-spacing: -0.02em;
  margin-bottom: 1rem;
}

.section-header p {
  font-size: 1.125rem;
  color: var(--dark-muted);
}

/* Button Components */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  padding: 0.9rem 2rem;
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: 600;
  border-radius: var(--radius-md);
  cursor: pointer;
  border: 2px solid transparent;
  transition: var(--transition);
  white-space: nowrap;
}

.btn-primary {
  background-color: var(--primary);
  color: var(--white);
  box-shadow: 0 4px 14px rgba(15, 118, 110, 0.35);
}

.btn-primary:hover {
  background-color: var(--primary-hover);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(15, 118, 110, 0.45);
}

.btn-secondary {
  background-color: var(--secondary);
  color: var(--white);
  box-shadow: 0 4px 14px rgba(22, 163, 74, 0.35);
}

.btn-secondary:hover {
  background-color: var(--secondary-hover);
  transform: translateY(-2px);
}

.btn-accent {
  background-color: var(--accent);
  color: var(--dark);
  box-shadow: 0 4px 14px rgba(245, 158, 11, 0.35);
}

.btn-accent:hover {
  background-color: var(--accent-hover);
  color: var(--white);
  transform: translateY(-2px);
}

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

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

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

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

.btn-sm {
  padding: 0.6rem 1.25rem;
  font-size: 0.875rem;
}

.btn-lg {
  padding: 1.1rem 2.5rem;
  font-size: 1.125rem;
}

/* --- Header & Top Bar --- */
.top-bar {
  background-color: var(--dark);
  color: var(--light);
  font-size: 0.85rem;
  padding: 0.5rem 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.top-bar-wrapper {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.top-info {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.top-info-item {
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.top-info-item svg {
  width: 16px;
  height: 16px;
  color: var(--accent);
}

.top-social {
  display: flex;
  align-items: center;
  gap: 0.8rem;
}

.top-social a {
  color: var(--light);
  opacity: 0.8;
}

.top-social a:hover {
  color: var(--accent);
  opacity: 1;
}

/* Main Navigation Header */
.main-header {
  position: sticky;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background-color: var(--glass-bg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  transition: var(--transition);
}

.main-header.scrolled {
  box-shadow: var(--shadow-md);
  padding: 0.2rem 0;
}

.nav-wrapper {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.8rem 0;
}

.logo-brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--dark);
}

.logo-icon {
  width: 42px;
  height: 42px;
  background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  box-shadow: 0 4px 10px rgba(15, 118, 110, 0.3);
}

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

.nav-menu {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.nav-link {
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 1rem;
  color: var(--dark-surface);
  position: relative;
  padding: 0.5rem 0;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2.5px;
  background-color: var(--primary);
  transition: var(--transition);
  border-radius: 2px;
}

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

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

.hamburger {
  display: none;
  cursor: pointer;
  background: none;
  border: none;
  padding: 0.5rem;
}

.hamburger span {
  display: block;
  width: 26px;
  height: 3px;
  background-color: var(--dark);
  margin: 5px 0;
  border-radius: 3px;
  transition: var(--transition);
}

/* --- Hero Section --- */
.hero {
  position: relative;
  padding: 6rem 0 7rem 0;
  background: linear-gradient(135deg, rgba(15, 23, 42, 0.92) 0%, rgba(15, 118, 110, 0.88) 100%),
              url('../images/hero/indian-solar-installation.jpg') center/cover no-repeat;
  color: var(--white);
  overflow: hidden;
}

.hero::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 60px;
  background: linear-gradient(to top, var(--light), transparent);
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 3rem;
  align-items: center;
}

.hero-content h1 {
  font-size: 3.5rem;
  color: var(--white);
  line-height: 1.15;
  margin-bottom: 1.25rem;
  letter-spacing: -0.03em;
}

.hero-content h1 span {
  background: linear-gradient(135deg, var(--accent) 0%, #FBBF24 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-content p {
  font-size: 1.25rem;
  color: rgba(255, 255, 255, 0.9);
  margin-bottom: 2.25rem;
  max-width: 600px;
}

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

.hero-trust-badges {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid rgba(255, 255, 255, 0.15);
}

.trust-badge-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.9rem;
  color: rgba(255, 255, 255, 0.85);
  font-weight: 500;
}

.trust-badge-item svg {
  width: 20px;
  height: 20px;
  color: var(--accent);
}

/* Quick Estimate Hero Card */
.hero-card {
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(16px);
  padding: 2.25rem;
  border-radius: var(--radius-lg);
  color: var(--dark);
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.35);
  border: 1px solid var(--glass-border);
}

.hero-card h3 {
  font-size: 1.5rem;
  margin-bottom: 0.5rem;
  color: var(--dark);
}

.hero-card p {
  font-size: 0.925rem;
  color: var(--dark-muted);
  margin-bottom: 1.5rem;
}

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

.form-group label {
  display: block;
  font-size: 0.875rem;
  font-weight: 600;
  margin-bottom: 0.4rem;
  color: var(--dark-surface);
}

.form-control {
  width: 100%;
  padding: 0.8rem 1rem;
  font-size: 0.95rem;
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  background-color: var(--white);
  transition: var(--transition);
}

.form-control:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(15, 118, 110, 0.15);
}

/* --- Counter / Stats Section --- */
.stats-bar {
  margin-top: -3.5rem;
  position: relative;
  z-index: 10;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
  background-color: var(--white);
  padding: 2.5rem 2rem;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--border);
}

.stat-card {
  text-align: center;
  padding: 0.5rem 1rem;
  border-right: 1px solid var(--border);
}

.stat-card:last-child {
  border-right: none;
}

.stat-number {
  font-family: var(--font-heading);
  font-size: 2.75rem;
  font-weight: 800;
  color: var(--primary);
  line-height: 1;
  margin-bottom: 0.4rem;
}

.stat-label {
  font-size: 0.95rem;
  color: var(--dark-muted);
  font-weight: 600;
}

/* --- Cards & Grid Layouts --- */
.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 2rem;
}

.feature-card {
  background-color: var(--white);
  border-radius: var(--radius-md);
  padding: 2.25rem 1.75rem;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.feature-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(15, 118, 110, 0.3);
}

.icon-box {
  width: 58px;
  height: 58px;
  border-radius: var(--radius-sm);
  background-color: var(--primary-light);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.5rem;
  transition: var(--transition);
}

.icon-box svg {
  width: 30px;
  height: 30px;
}

.feature-card:hover .icon-box {
  background-color: var(--primary);
  color: var(--white);
}

.feature-card h3 {
  font-size: 1.35rem;
  margin-bottom: 0.75rem;
}

.feature-card p {
  color: var(--dark-muted);
  font-size: 0.95rem;
  line-height: 1.6;
}

/* Service Card with Image */
.service-card {
  background-color: var(--white);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border);
  transition: var(--transition);
  display: flex;
  flex-direction: column;
}

.service-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
}

.service-img-wrapper {
  position: relative;
  height: 220px;
  overflow: hidden;
}

.service-img-wrapper img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.service-card:hover .service-img-wrapper img {
  transform: scale(1.08);
}

.service-badge {
  position: absolute;
  top: 1rem;
  right: 1rem;
  background: var(--glass-bg);
  backdrop-filter: blur(8px);
  color: var(--dark);
  font-size: 0.75rem;
  font-weight: 700;
  padding: 0.3rem 0.8rem;
  border-radius: var(--radius-full);
  text-transform: uppercase;
}

.service-content {
  padding: 1.75rem;
  flex-grow: 1;
  display: flex;
  flex-direction: column;
}

.service-content h3 {
  font-size: 1.35rem;
  margin-bottom: 0.75rem;
}

.service-content p {
  color: var(--dark-muted);
  font-size: 0.95rem;
  margin-bottom: 1.5rem;
  flex-grow: 1;
}

.link-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-family: var(--font-heading);
  font-weight: 700;
  color: var(--primary);
  font-size: 0.95rem;
}

.link-btn:hover {
  gap: 0.75rem;
  color: var(--primary-hover);
}

/* --- Solar Installation Process Steps --- */
.process-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.75rem;
  position: relative;
}

.process-card {
  background-color: var(--white);
  padding: 2rem 1.5rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
  position: relative;
  transition: var(--transition);
}

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

.process-step-num {
  position: absolute;
  top: 1rem;
  right: 1.25rem;
  font-family: var(--font-heading);
  font-size: 2.25rem;
  font-weight: 800;
  color: rgba(15, 118, 110, 0.12);
  line-height: 1;
}

.process-card h4 {
  font-size: 1.2rem;
  margin-top: 1rem;
  margin-bottom: 0.6rem;
}

.process-card p {
  font-size: 0.9rem;
  color: var(--dark-muted);
}

/* --- Interactive Solar Calculator Component --- */
.calculator-box {
  background: linear-gradient(135deg, var(--white) 0%, var(--primary-light) 100%);
  border-radius: var(--radius-lg);
  padding: 3rem;
  box-shadow: var(--shadow-lg);
  border: 1px solid rgba(15, 118, 110, 0.2);
}

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

.calc-inputs {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.slider-group {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.slider-header {
  display: flex;
  justify-content: space-between;
  font-weight: 600;
}

.range-slider {
  width: 100%;
  height: 8px;
  border-radius: 4px;
  background: var(--border);
  outline: none;
  accent-color: var(--primary);
  cursor: pointer;
}

.calc-results {
  background-color: var(--dark);
  color: var(--white);
  padding: 2.25rem;
  border-radius: var(--radius-md);
  box-shadow: 0 15px 30px rgba(15, 23, 42, 0.25);
}

.calc-results h4 {
  color: var(--accent);
  font-size: 1.25rem;
  margin-bottom: 1.5rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.15);
  padding-bottom: 0.75rem;
}

.res-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.75rem 0;
  border-bottom: 1px dashed rgba(255, 255, 255, 0.1);
}

.res-label {
  font-size: 0.95rem;
  color: rgba(255, 255, 255, 0.8);
}

.res-value {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--secondary);
}

.res-highlight {
  background: rgba(22, 163, 74, 0.15);
  padding: 1rem;
  border-radius: var(--radius-sm);
  margin-top: 1.25rem;
  border: 1px solid rgba(22, 163, 74, 0.3);
}

.res-highlight .res-value {
  font-size: 1.6rem;
  color: #4ADE80;
}

/* --- FAQs Accordion Component --- */
.faq-accordion {
  max-width: 860px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.faq-item {
  background-color: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: var(--transition);
}

.faq-item.active {
  border-color: var(--primary);
  box-shadow: var(--shadow-sm);
}

.faq-header {
  padding: 1.25rem 1.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  cursor: pointer;
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 1.1rem;
  color: var(--dark);
  user-select: none;
}

.faq-icon {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background-color: var(--primary-light);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform 0.3s ease;
  flex-shrink: 0;
}

.faq-item.active .faq-icon {
  transform: rotate(180deg);
  background-color: var(--primary);
  color: var(--white);
}

.faq-body {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s cubic-bezier(0, 1, 0, 1);
  padding: 0 1.5rem;
}

.faq-item.active .faq-body {
  max-height: 400px;
  padding: 0 1.5rem 1.5rem 1.5rem;
  border-top: 1px solid var(--light);
}

.faq-body p {
  color: var(--dark-muted);
  font-size: 0.975rem;
  line-height: 1.65;
}

/* --- Project & Gallery Portfolio Filter --- */
.filter-tabs {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: 2.5rem;
}

.filter-btn {
  padding: 0.6rem 1.4rem;
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.95rem;
  border-radius: var(--radius-full);
  background-color: var(--white);
  border: 1.5px solid var(--border);
  color: var(--dark-surface);
  cursor: pointer;
  transition: var(--transition);
}

.filter-btn:hover, .filter-btn.active {
  background-color: var(--primary);
  color: var(--white);
  border-color: var(--primary);
}

.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
  gap: 2rem;
}

.portfolio-card {
  background-color: var(--white);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border);
  transition: var(--transition);
}

.portfolio-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}

.portfolio-img {
  height: 240px;
  position: relative;
  overflow: hidden;
}

.portfolio-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

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

.portfolio-overlay {
  position: absolute;
  inset: 0;
  background: rgba(15, 23, 42, 0.65);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.portfolio-card:hover .portfolio-overlay {
  opacity: 1;
}

.portfolio-info {
  padding: 1.5rem;
}

.portfolio-info h4 {
  font-size: 1.25rem;
  margin-bottom: 0.4rem;
}

.portfolio-meta {
  display: flex;
  gap: 1rem;
  font-size: 0.85rem;
  color: var(--dark-muted);
}

/* --- Testimonials Slider Component --- */
.testimonial-card {
  background-color: var(--white);
  padding: 2.25rem;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  border: 1px solid var(--border);
  margin: 1rem 0;
  position: relative;
}

.quote-icon {
  width: 40px;
  height: 40px;
  color: var(--accent);
  margin-bottom: 1rem;
  opacity: 0.8;
}

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

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

.user-avatar {
  width: 50px;
  height: 50px;
  border-radius: 50%;
  background-color: var(--primary-light);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 1.1rem;
}

.user-details h5 {
  font-size: 1.05rem;
  margin-bottom: 0.2rem;
}

.user-details p {
  font-size: 0.85rem;
  color: var(--dark-muted);
}

/* --- Lightbox Modal --- */
.lightbox-modal {
  position: fixed;
  inset: 0;
  background: rgba(15, 23, 42, 0.9);
  backdrop-filter: blur(8px);
  z-index: 2000;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 2rem;
}

.lightbox-modal.active {
  display: flex;
}

.lightbox-content {
  position: relative;
  max-width: 900px;
  max-height: 85vh;
  background-color: var(--white);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.lightbox-content img {
  width: 100%;
  max-height: 70vh;
  object-fit: contain;
}

.lightbox-close {
  position: absolute;
  top: 1rem;
  right: 1rem;
  background: var(--dark);
  color: var(--white);
  border: none;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  font-size: 1.25rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 10;
}

/* --- Floating Actions (WhatsApp & Back to Top) --- */
.floating-whatsapp {
  position: fixed;
  bottom: 2rem;
  left: 2rem;
  width: 56px;
  height: 56px;
  background-color: #25D366;
  color: var(--white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 6px 20px rgba(37, 211, 102, 0.4);
  z-index: 900;
  transition: var(--transition);
}

.floating-whatsapp:hover {
  transform: scale(1.1);
  box-shadow: 0 8px 25px rgba(37, 211, 102, 0.6);
}

.floating-whatsapp svg {
  width: 32px;
  height: 32px;
}

.back-to-top {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  width: 48px;
  height: 48px;
  background-color: var(--primary);
  color: var(--white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-md);
  z-index: 900;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition);
  cursor: pointer;
  border: none;
}

.back-to-top.show {
  opacity: 1;
  visibility: visible;
}

.back-to-top:hover {
  background-color: var(--primary-hover);
  transform: translateY(-4px);
}

/* --- Footer --- */
.site-footer {
  background-color: var(--dark);
  color: var(--light);
  padding: 5rem 0 2rem 0;
  border-top: 4px solid var(--primary);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1.3fr;
  gap: 3rem;
  margin-bottom: 4rem;
}

.footer-brand .logo-brand {
  color: var(--white);
  margin-bottom: 1.25rem;
}

.footer-brand p {
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.95rem;
  margin-bottom: 1.5rem;
}

.footer-column h4 {
  color: var(--white);
  font-size: 1.2rem;
  margin-bottom: 1.5rem;
  position: relative;
  padding-bottom: 0.5rem;
}

.footer-column h4::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 35px;
  height: 3px;
  background-color: var(--accent);
  border-radius: 2px;
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.footer-links a {
  color: rgba(255, 255, 255, 0.75);
  font-size: 0.95rem;
}

.footer-links a:hover {
  color: var(--accent);
  padding-left: 0.4rem;
}

.footer-contact-item {
  display: flex;
  gap: 0.8rem;
  margin-bottom: 1rem;
  color: rgba(255, 255, 255, 0.8);
  font-size: 0.95rem;
}

.footer-contact-item svg {
  width: 20px;
  height: 20px;
  color: var(--accent);
  flex-shrink: 0;
  margin-top: 0.2rem;
}

.footer-bottom {
  padding-top: 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.875rem;
  color: rgba(255, 255, 255, 0.6);
}

/* Form File Upload Dropzone */
.file-dropzone {
  border: 2px dashed var(--border);
  border-radius: var(--radius-sm);
  padding: 1.5rem;
  text-align: center;
  cursor: pointer;
  background-color: var(--light);
  transition: var(--transition);
}

.file-dropzone:hover, .file-dropzone.dragover {
  border-color: var(--primary);
  background-color: var(--primary-light);
}

.file-dropzone svg {
  width: 32px;
  height: 32px;
  color: var(--primary);
  margin-bottom: 0.5rem;
}