/* ==========================================================================
   SHREE SAI TECH SOLUTIONS - Solar Solution Provider Design System & Styles
   ========================================================================== */

:root {
  /* Brand Color Palette inspired by visiting card & brochure */
  --primary-green: #69BE3B;      /* Vibrant Solar Green */
  --primary-green-dark: #559E2D; /* Deeper hover green */
  --primary-green-light: #8BD85E;/* Light solar green */
  --dark-green: #1B432C;         /* Deep Forest Corporate Green */
  --dark-green-deep: #112D1D;    /* Midnight Forest Green */
  --solar-yellow: #F59E0B;       /* Radiant Sun Accent */
  --solar-gold: #FBBF24;         /* Soft Sun Highlight */

  /* Neutral Tones */
  --bg-light: #F8FAFC;           /* Crisp clean background */
  --bg-soft-green: #F2F9EE;      /* Soft organic green tinted background */
  --text-dark: #0F172A;          /* High contrast text heading */
  --text-body: #334155;          /* Muted body text */
  --text-muted: #64748B;         /* Secondary caption text */
  --white: #FFFFFF;
  
  /* Glassmorphism & Shadow Effects */
  --shadow-sm: 0 4px 6px -1px rgba(0, 0, 0, 0.05), 0 2px 4px -1px rgba(0, 0, 0, 0.03);
  --shadow-md: 0 10px 15px -3px rgba(105, 190, 59, 0.08), 0 4px 6px -2px rgba(0, 0, 0, 0.04);
  --shadow-lg: 0 20px 25px -5px rgba(27, 67, 44, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
  --shadow-glow: 0 0 25px rgba(105, 190, 59, 0.35);

  /* Layout & Transitions */
  --border-radius-sm: 8px;
  --border-radius-md: 16px;
  --border-radius-lg: 28px;
  --transition-fast: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-smooth: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  --font-main: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

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

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

body {
  font-family: var(--font-main);
  background-color: var(--bg-light);
  color: var(--text-body);
  line-height: 1.6;
  overflow-x: hidden;
}

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

ul {
  list-style: none;
}

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

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

.container {
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

.section-padding {
  padding: 5rem 0;
}

@media (max-width: 768px) {
  .section-padding {
    padding: 3.5rem 0;
  }
}

/* ==========================================================================
   Typography & Badge Components
   ========================================================================== */
.section-subtitle {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.875rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: var(--primary-green);
  background: rgba(105, 190, 59, 0.12);
  padding: 0.4rem 1.2rem;
  border-radius: 50px;
  margin-bottom: 1rem;
  border: 1px solid rgba(105, 190, 59, 0.25);
}

.section-title {
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--dark-green);
  line-height: 1.25;
  margin-bottom: 1rem;
}

.section-title span {
  color: var(--primary-green);
}

.section-description {
  font-size: 1.125rem;
  color: var(--text-muted);
  max-width: 680px;
  margin: 0 auto 3rem auto;
}

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

/* ==========================================================================
   Buttons & Micro-interactions
   ========================================================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  padding: 0.85rem 1.8rem;
  font-size: 1rem;
  font-weight: 700;
  border-radius: 50px;
  cursor: pointer;
  transition: var(--transition-smooth);
  border: 2px solid transparent;
  outline: none;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary-green) 0%, var(--primary-green-dark) 100%);
  color: var(--white);
  box-shadow: 0 10px 20px -5px rgba(105, 190, 59, 0.4);
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 14px 28px -4px rgba(105, 190, 59, 0.5);
  background: linear-gradient(135deg, var(--primary-green-light) 0%, var(--primary-green) 100%);
}

.btn-secondary {
  background: var(--white);
  color: var(--dark-green);
  border-color: rgba(27, 67, 44, 0.15);
  box-shadow: var(--shadow-sm);
}

.btn-secondary:hover {
  background: var(--bg-soft-green);
  color: var(--primary-green-dark);
  border-color: var(--primary-green);
  transform: translateY(-3px);
}

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

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

/* ==========================================================================
   Top Header & Navigation Bar
   ========================================================================== */
.top-bar {
  background-color: var(--dark-green-deep);
  color: rgba(255, 255, 255, 0.85);
  font-size: 0.875rem;
  padding: 0.5rem 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

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

.top-bar-info {
  display: flex;
  align-items: center;
  gap: 1.8rem;
  flex-wrap: wrap;
}

.top-bar-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.top-bar-item i {
  color: var(--primary-green);
}

.top-bar-right {
  display: flex;
  align-items: center;
  gap: 1.2rem;
}

.top-bar-badge {
  background: rgba(105, 190, 59, 0.2);
  color: var(--primary-green-light);
  padding: 0.2rem 0.7rem;
  border-radius: 20px;
  font-size: 0.78rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

/* Main Navigation */
.navbar {
  position: sticky;
  top: 0;
  left: 0;
  width: 100%;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  z-index: 1000;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
  transition: var(--transition-fast);
}

.navbar-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 85px;
}

.navbar-brand {
  display: flex;
  align-items: center;
}

.navbar-logo {
  height: 65px;
  width: auto;
  object-fit: contain;
  transition: transform 0.3s ease;
}

.navbar-logo:hover {
  transform: scale(1.02);
}

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

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

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0%;
  height: 3px;
  background: var(--primary-green);
  border-radius: 2px;
  transition: var(--transition-fast);
}

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

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

.hamburger {
  display: none;
  flex-direction: column;
  justify-content: space-between;
  width: 30px;
  height: 22px;
  background: transparent;
  border: none;
  cursor: pointer;
  z-index: 1001;
}

.hamburger span {
  width: 100%;
  height: 3px;
  background-color: var(--dark-green);
  border-radius: 3px;
  transition: var(--transition-fast);
}

/* ==========================================================================
   Hero Section with Organic Visiting Card Curves
   ========================================================================== */
.hero {
  position: relative;
  background: linear-gradient(135deg, var(--dark-green-deep) 0%, var(--dark-green) 100%);
  color: var(--white);
  padding: 6rem 0 9rem 0;
  overflow: hidden;
}

/* Background Solar Overlay Image & Curved Shapes */
.hero-bg-overlay {
  position: absolute;
  inset: 0;
  background-image: url('../assets/images/hero_solar.png');
  background-size: cover;
  background-position: center;
  opacity: 0.22;
  mix-blend-mode: luminosity;
}

/* Organic Curved Shape mimicking the Visiting Card */
.hero-curve-shape {
  position: absolute;
  top: -10%;
  right: -5%;
  width: 60%;
  height: 120%;
  background: radial-gradient(circle at 60% 40%, rgba(105, 190, 59, 0.35) 0%, rgba(27, 67, 44, 0) 70%);
  border-radius: 40% 60% 70% 30% / 40% 50% 50% 60%;
  pointer-events: none;
  filter: blur(40px);
}

.hero-curve-divider {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  overflow: hidden;
  line-height: 0;
  z-index: 5;
}

.hero-curve-divider svg {
  position: relative;
  display: block;
  width: calc(100% + 1.3px);
  height: 80px;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 3rem;
  align-items: center;
  position: relative;
  z-index: 10;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  background: rgba(105, 190, 59, 0.2);
  border: 1px solid rgba(105, 190, 59, 0.4);
  color: var(--primary-green-light);
  padding: 0.5rem 1.2rem;
  border-radius: 50px;
  font-size: 0.9rem;
  font-weight: 700;
  margin-bottom: 1.5rem;
  backdrop-filter: blur(6px);
}

.hero-title {
  font-size: 3.5rem;
  font-weight: 900;
  line-height: 1.15;
  margin-bottom: 1.25rem;
  letter-spacing: -0.5px;
}

.hero-title span {
  background: linear-gradient(135deg, var(--primary-green-light) 0%, var(--solar-gold) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-tagline {
  font-size: 1.25rem;
  color: rgba(255, 255, 255, 0.88);
  margin-bottom: 2rem;
  max-width: 580px;
}

.hero-actions {
  display: flex;
  gap: 1.2rem;
  flex-wrap: wrap;
  margin-bottom: 3rem;
}

.hero-stats-row {
  display: flex;
  gap: 2.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid rgba(255, 255, 255, 0.15);
}

.hero-stat-item h3 {
  font-size: 2rem;
  font-weight: 800;
  color: var(--primary-green-light);
}

.hero-stat-item p {
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.75);
}

/* Hero Right Floating Card Showcase */
.hero-visual-card {
  position: relative;
  border-radius: var(--border-radius-lg);
  padding: 12px;
  background: rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(16px);
  border: 1px solid rgba(255, 255, 255, 0.18);
  box-shadow: 0 30px 60px rgba(0, 0, 0, 0.3);
  transform: perspective(1000px) rotateY(-4deg) rotateX(2deg);
  transition: var(--transition-smooth);
}

.hero-visual-card:hover {
  transform: perspective(1000px) rotateY(0deg) rotateX(0deg);
}

.hero-visual-card img {
  border-radius: var(--border-radius-md);
  width: 100%;
  height: 380px;
  object-fit: cover;
}

.hero-floating-badge {
  position: absolute;
  bottom: -20px;
  left: -20px;
  background: var(--white);
  color: var(--text-dark);
  padding: 1rem 1.5rem;
  border-radius: var(--border-radius-md);
  box-shadow: var(--shadow-lg);
  display: flex;
  align-items: center;
  gap: 1rem;
  z-index: 15;
}

.floating-icon {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: rgba(105, 190, 59, 0.15);
  color: var(--primary-green);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
}

.floating-text h4 {
  font-size: 1.1rem;
  font-weight: 800;
  color: var(--dark-green);
}

.floating-text p {
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* ==========================================================================
   Interactive Solar ROI Calculator Section
   ========================================================================== */
.calculator-section {
  position: relative;
  margin-top: -4rem;
  z-index: 20;
}

.calculator-card {
  background: var(--white);
  border-radius: var(--border-radius-lg);
  padding: 3rem;
  box-shadow: var(--shadow-lg);
  border: 1px solid rgba(105, 190, 59, 0.2);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
}

.calc-inputs h3 {
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--dark-green);
  margin-bottom: 0.5rem;
}

.calc-inputs p {
  color: var(--text-muted);
  margin-bottom: 2rem;
}

.range-slider-group {
  margin-bottom: 2rem;
}

.range-label {
  display: flex;
  justify-content: space-between;
  font-weight: 700;
  margin-bottom: 0.8rem;
  color: var(--text-dark);
}

.range-value {
  color: var(--primary-green);
  font-size: 1.25rem;
}

.slider-input {
  width: 100%;
  height: 8px;
  border-radius: 4px;
  background: #E2E8F0;
  outline: none;
  accent-color: var(--primary-green);
  cursor: pointer;
}

.calc-results-box {
  background: linear-gradient(135deg, var(--bg-soft-green) 0%, #E8F5E1 100%);
  border-radius: var(--border-radius-md);
  padding: 2.5rem;
  border: 1px solid rgba(105, 190, 59, 0.3);
  text-align: center;
}

.calc-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
  margin-bottom: 2rem;
}

.calc-stat-box {
  background: var(--white);
  padding: 1.2rem;
  border-radius: var(--border-radius-sm);
  box-shadow: var(--shadow-sm);
}

.calc-stat-box h4 {
  font-size: 1.6rem;
  font-weight: 800;
  color: var(--primary-green-dark);
  margin-bottom: 0.2rem;
}

.calc-stat-box p {
  font-size: 0.85rem;
  color: var(--text-muted);
  font-weight: 600;
}

/* ==========================================================================
   Services Section (8 Interactive Offerings)
   ========================================================================== */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
}

.service-card {
  background: var(--white);
  border-radius: var(--border-radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  border: 1px solid rgba(226, 232, 240, 0.8);
  transition: var(--transition-smooth);
  position: relative;
  display: flex;
  flex-direction: column;
}

.service-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-md);
  border-color: rgba(105, 190, 59, 0.4);
}

.service-img-wrapper {
  position: relative;
  height: 200px;
  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-icon-badge {
  position: absolute;
  bottom: -22px;
  right: 20px;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--primary-green);
  color: var(--white);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  box-shadow: 0 4px 10px rgba(105, 190, 59, 0.4);
}

.service-content {
  padding: 1.8rem 1.5rem 1.5rem 1.5rem;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.service-title {
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--dark-green);
  margin-bottom: 0.75rem;
}

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

.service-link {
  font-weight: 700;
  color: var(--primary-green);
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
}

.service-link i {
  transition: transform 0.2s ease;
}

.service-link:hover i {
  transform: translateX(4px);
}

/* ==========================================================================
   About Us Section (Split Layout with Brochure Content)
   ========================================================================== */
.about-section {
  background: var(--bg-soft-green);
  position: relative;
  overflow: hidden;
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.about-image-stack {
  position: relative;
}

.about-main-img {
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-lg);
  width: 100%;
  height: 440px;
  object-fit: cover;
  border: 4px solid var(--white);
}

.about-card-badge {
  position: absolute;
  top: -20px;
  right: -20px;
  background: var(--dark-green);
  color: var(--white);
  padding: 1.5rem;
  border-radius: var(--border-radius-md);
  box-shadow: var(--shadow-lg);
  text-align: center;
}

.about-card-badge .num {
  font-size: 2.2rem;
  font-weight: 900;
  color: var(--primary-green-light);
  line-height: 1;
}

.about-card-badge .txt {
  font-size: 0.85rem;
  opacity: 0.9;
}

.about-highlights {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.2rem;
  margin: 2rem 0;
}

.highlight-item {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  background: var(--white);
  padding: 0.8rem 1.2rem;
  border-radius: var(--border-radius-sm);
  box-shadow: var(--shadow-sm);
}

.highlight-item i {
  color: var(--primary-green);
  font-size: 1.25rem;
}

.highlight-item span {
  font-weight: 700;
  color: var(--text-dark);
  font-size: 0.95rem;
}

/* ==========================================================================
   Why Choose Us Section
   ========================================================================== */
.why-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 2rem;
}

.why-card {
  background: var(--white);
  padding: 2.2rem;
  border-radius: var(--border-radius-md);
  box-shadow: var(--shadow-sm);
  border-top: 4px solid var(--primary-green);
  transition: var(--transition-smooth);
}

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

.why-icon {
  width: 60px;
  height: 60px;
  border-radius: 16px;
  background: rgba(105, 190, 59, 0.12);
  color: var(--primary-green);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.8rem;
  margin-bottom: 1.5rem;
}

.why-card h3 {
  font-size: 1.3rem;
  font-weight: 800;
  color: var(--dark-green);
  margin-bottom: 0.8rem;
}

.why-card p {
  color: var(--text-muted);
  font-size: 0.95rem;
}

/* ==========================================================================
   Featured Solutions Deep Dive
   ========================================================================== */
.featured-solution-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
  margin-bottom: 5rem;
}

.featured-solution-row.reverse {
  direction: rtl;
}

.featured-solution-row.reverse > * {
  direction: ltr;
}

.featured-img-container {
  position: relative;
}

.featured-img-container img {
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-lg);
  width: 100%;
  height: 380px;
  object-fit: cover;
}

.featured-content h3 {
  font-size: 2rem;
  font-weight: 800;
  color: var(--dark-green);
  margin-bottom: 1rem;
}

.featured-content p {
  font-size: 1.05rem;
  color: var(--text-body);
  margin-bottom: 1.5rem;
}

.feature-list {
  margin-bottom: 2rem;
}

.feature-list li {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  margin-bottom: 0.75rem;
  font-weight: 600;
}

.feature-list li i {
  color: var(--primary-green);
  font-size: 1.1rem;
}

/* ==========================================================================
   Projects / Gallery Section with Filters
   ========================================================================== */
.gallery-filters {
  display: flex;
  justify-content: center;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: 3rem;
}

.filter-btn {
  padding: 0.6rem 1.4rem;
  border-radius: 50px;
  border: 1px solid rgba(105, 190, 59, 0.3);
  background: var(--white);
  color: var(--text-dark);
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition-fast);
}

.filter-btn:hover, .filter-btn.active {
  background: var(--primary-green);
  color: var(--white);
  border-color: var(--primary-green);
  box-shadow: 0 4px 12px rgba(105, 190, 59, 0.3);
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 2rem;
}

.gallery-item {
  border-radius: var(--border-radius-md);
  overflow: hidden;
  position: relative;
  height: 280px;
  cursor: pointer;
  box-shadow: var(--shadow-sm);
}

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

.gallery-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(17, 45, 29, 0.9) 0%, rgba(17, 45, 29, 0.1) 70%);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 1.8rem;
  opacity: 0;
  transition: var(--transition-smooth);
}

.gallery-item:hover img {
  transform: scale(1.1);
}

.gallery-item:hover .gallery-overlay {
  opacity: 1;
}

.gallery-overlay h4 {
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--white);
  margin-bottom: 0.2rem;
}

.gallery-overlay p {
  font-size: 0.85rem;
  color: var(--primary-green-light);
}

/* ==========================================================================
   Contact Section & Form
   ========================================================================== */
.contact-section {
  background: linear-gradient(135deg, var(--dark-green) 0%, var(--dark-green-deep) 100%);
  color: var(--white);
  position: relative;
  overflow: hidden;
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 4rem;
  align-items: start;
}

.contact-info-card {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--border-radius-lg);
  padding: 2.5rem;
  backdrop-filter: blur(10px);
}

.contact-info-card h3 {
  font-size: 1.8rem;
  font-weight: 800;
  margin-bottom: 1.5rem;
  color: var(--white);
}

.contact-detail-list {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  margin-bottom: 2.5rem;
}

.contact-detail-item {
  display: flex;
  align-items: flex-start;
  gap: 1.2rem;
}

.contact-detail-icon {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: rgba(105, 190, 59, 0.2);
  color: var(--primary-green-light);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  flex-shrink: 0;
}

.contact-detail-text h4 {
  font-size: 0.9rem;
  color: rgba(255, 255, 255, 0.7);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 0.2rem;
}

.contact-detail-text p, .contact-detail-text a {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--white);
}

.contact-detail-text a:hover {
  color: var(--primary-green-light);
}

/* Contact Form Box */
.contact-form-box {
  background: var(--white);
  border-radius: var(--border-radius-lg);
  padding: 3rem;
  box-shadow: var(--shadow-lg);
  color: var(--text-dark);
}

.contact-form-box h3 {
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--dark-green);
  margin-bottom: 0.5rem;
}

.contact-form-box p {
  color: var(--text-muted);
  margin-bottom: 2rem;
}

.form-group {
  margin-bottom: 1.4rem;
}

.form-label {
  display: block;
  font-weight: 700;
  margin-bottom: 0.5rem;
  font-size: 0.9rem;
  color: var(--text-dark);
}

.form-control {
  width: 100%;
  padding: 0.9rem 1.2rem;
  border-radius: var(--border-radius-sm);
  border: 1.5px solid #E2E8F0;
  outline: none;
  transition: var(--transition-fast);
  background: var(--bg-light);
}

.form-control:focus {
  border-color: var(--primary-green);
  background: var(--white);
  box-shadow: 0 0 0 4px rgba(105, 190, 59, 0.15);
}

.map-container {
  margin-top: 3rem;
  border-radius: var(--border-radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  border: 4px solid var(--white);
}

.map-container iframe {
  width: 100%;
  height: 320px;
  border: 0;
}

/* ==========================================================================
   Floating Action Buttons
   ========================================================================== */
.floating-actions-bar {
  position: fixed;
  bottom: 30px;
  right: 30px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  z-index: 999;
}

.float-btn {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  font-size: 1.5rem;
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.25);
  cursor: pointer;
  transition: var(--transition-smooth);
}

.float-btn:hover {
  transform: scale(1.12) translateY(-2px);
}

.float-whatsapp {
  background: #25D366;
}

.float-call {
  background: var(--primary-green);
}

.float-top {
  background: var(--dark-green);
  opacity: 0;
  pointer-events: none;
}

.float-top.visible {
  opacity: 1;
  pointer-events: auto;
}

/* ==========================================================================
   Footer
   ========================================================================== */
.footer {
  background: var(--dark-green-deep);
  color: rgba(255, 255, 255, 0.8);
  padding: 5rem 0 2rem 0;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
  gap: 3rem;
  margin-bottom: 4rem;
}

.footer-col h4 {
  color: var(--white);
  font-size: 1.2rem;
  font-weight: 800;
  margin-bottom: 1.5rem;
  position: relative;
  padding-bottom: 0.5rem;
}

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

.footer-col p {
  font-size: 0.95rem;
  margin-bottom: 1.5rem;
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 0.8rem;
}

.footer-links a:hover {
  color: var(--primary-green-light);
  padding-left: 5px;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
  font-size: 0.9rem;
}

/* ==========================================================================
   Modal Component (Quote & Gallery Lightbox)
   ========================================================================== */
.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(15, 23, 42, 0.75);
  backdrop-filter: blur(8px);
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  opacity: 0;
  pointer-events: none;
  transition: var(--transition-smooth);
}

.modal-backdrop.active {
  opacity: 1;
  pointer-events: auto;
}

.modal-content {
  background: var(--white);
  border-radius: var(--border-radius-lg);
  max-width: 600px;
  width: 100%;
  padding: 2.5rem;
  box-shadow: var(--shadow-lg);
  position: relative;
  transform: translateY(20px);
  transition: var(--transition-smooth);
}

.modal-backdrop.active .modal-content {
  transform: translateY(0);
}

.modal-close {
  position: absolute;
  top: 20px;
  right: 20px;
  background: #F1F5F9;
  border: none;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  font-size: 1.2rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
}

.modal-close:hover {
  background: #E2E8F0;
}

/* ==========================================================================
   Responsive Breakpoints & Adjustments
   ========================================================================== */
@media (max-width: 1024px) {
  .hero-grid, .about-grid, .calculator-card, .featured-solution-row, .contact-grid {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }

  .featured-solution-row.reverse {
    direction: ltr;
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 768px) {
  .hamburger {
    display: flex;
  }

  .nav-menu {
    position: fixed;
    top: 85px;
    left: -100%;
    width: 100%;
    height: calc(100vh - 85px);
    background: var(--white);
    flex-direction: column;
    padding: 3rem 2rem;
    gap: 1.8rem;
    transition: var(--transition-smooth);
    box-shadow: var(--shadow-lg);
  }

  .nav-menu.active {
    left: 0;
  }

  .top-bar-content {
    justify-content: center;
  }

  .hero-title {
    font-size: 2.5rem;
  }

  .calc-grid {
    grid-template-columns: 1fr;
  }

  .footer-grid {
    grid-template-columns: 1fr;
  }

  .hero-visual-card {
    transform: none;
  }
}

/* ==========================================================================
   FAQ Section Accordion & SEO Enhancements
   ========================================================================== */
.faq-section {
  background: var(--white);
}

.faq-accordion {
  max-width: 860px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 1.2rem;
}

.faq-item {
  border: 1.5px solid #E2E8F0;
  border-radius: var(--border-radius-md);
  overflow: hidden;
  transition: var(--transition-smooth);
  background: var(--white);
}

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

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

.faq-question {
  width: 100%;
  padding: 1.3rem 1.6rem;
  background: transparent;
  border: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  text-align: left;
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--dark-green);
  cursor: pointer;
  min-height: 52px;
  -webkit-tap-highlight-color: transparent;
}

.faq-question i {
  color: var(--primary-green);
  font-size: 1.2rem;
  transition: transform 0.3s ease;
}

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

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease-out, padding 0.35s ease;
  padding: 0 1.6rem;
  color: var(--text-body);
  font-size: 1rem;
  line-height: 1.65;
  background: var(--bg-soft-green);
}

.faq-item.active .faq-answer {
  max-height: 500px;
  padding: 1rem 1.6rem 1.5rem 1.6rem;
  border-top: 1px solid rgba(105, 190, 59, 0.15);
}

/* Touch Target & Mobile Usability Enhancements */
button, input, select, textarea, .nav-link, .filter-btn, .btn {
  -webkit-tap-highlight-color: transparent;
}

/* Print Stylesheet for Clean Printing */
@media print {
  .top-bar, .navbar, .floating-actions-bar, .hero-curve-divider, .modal-backdrop, .map-container {
    display: none !important;
  }
  body {
    background: #ffffff !important;
    color: #000000 !important;
  }
}