/* ==========================================================================
   Shri Madhav Enterprises (SME) - Multi-Page Design System & CSS Stylesheet
   Primary: Deep Royal Blue (#0f3875 / #0a2652)
   Accent: Industrial Warm Orange (#f38120 / #e66700)
   ========================================================================== */

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

:root {
  --primary-blue: #0f3875;
  --primary-blue-dark: #0a2652;
  --primary-blue-light: #1c54a3;
  --primary-blue-glow: rgba(15, 56, 117, 0.12);
  
  --accent-orange: #f38120;
  --accent-orange-hover: #d96d10;
  --accent-orange-glow: rgba(243, 129, 32, 0.22);
  
  --bg-slate: #f8fafc;
  --bg-white: #ffffff;
  --bg-card: #ffffff;
  --bg-dark: #091322;
  --bg-dark-card: #112038;
  
  --text-main: #1e293b;
  --text-muted: #64748b;
  --text-light: #94a3b8;
  --text-white: #ffffff;
  
  --border-color: #e2e8f0;
  --border-focus: #f38120;
  
  --shadow-sm: 0 2px 8px rgba(15, 56, 117, 0.06);
  --shadow-md: 0 8px 24px rgba(15, 56, 117, 0.1);
  --shadow-lg: 0 16px 40px rgba(15, 56, 117, 0.15);
  --shadow-orange: 0 8px 25px rgba(243, 129, 32, 0.3);

  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-full: 9999px;

  --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

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

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

body {
  font-family: 'Inter', sans-serif;
  color: var(--text-main);
  background-color: var(--bg-slate);
  line-height: 1.6;
  overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
  font-family: 'Outfit', sans-serif;
  font-weight: 700;
  color: var(--primary-blue-dark);
  line-height: 1.25;
}

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

ul {
  list-style: none;
}

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

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

/* Section Components */
.section {
  padding: 5.5rem 0;
}

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

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

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

.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.35rem 1rem;
  background: var(--primary-blue-glow);
  color: var(--primary-blue);
  border: 1px solid rgba(15, 56, 117, 0.2);
  border-radius: var(--radius-full);
  font-family: 'Outfit', sans-serif;
  font-size: 0.85rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 1rem;
}

.badge-orange {
  background: var(--accent-orange-glow);
  color: var(--accent-orange);
  border-color: rgba(243, 129, 32, 0.3);
}

.section-title {
  font-size: 2.5rem;
  margin-bottom: 1rem;
  letter-spacing: -0.5px;
}

.section-subtitle {
  font-size: 1.1rem;
  color: var(--text-muted);
}

.section-dark .section-subtitle {
  color: var(--text-light);
}

/* Sub-page Banner Header */
.page-banner {
  background: linear-gradient(135deg, #07152b 0%, #0d2850 60%, #091322 100%);
  color: white;
  padding: 4rem 0;
  text-align: center;
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.page-banner-title {
  font-size: 3rem;
  color: white;
  margin-bottom: 0.75rem;
}

.page-banner-subtitle {
  font-size: 1.15rem;
  color: #cbd5e1;
  max-width: 650px;
  margin: 0 auto;
}

.breadcrumb {
  display: flex;
  justify-content: center;
  gap: 0.5rem;
  align-items: center;
  font-size: 0.9rem;
  color: var(--accent-orange);
  margin-top: 1rem;
  font-weight: 500;
}

.breadcrumb a {
  color: #94a3b8;
}

.breadcrumb a:hover {
  color: white;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  padding: 0.85rem 2rem;
  font-family: 'Outfit', sans-serif;
  font-weight: 600;
  font-size: 1rem;
  border-radius: var(--radius-md);
  border: none;
  cursor: pointer;
  transition: all var(--transition-normal);
  text-align: center;
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent-orange), #e66700);
  color: var(--text-white);
  box-shadow: var(--shadow-orange);
}

.btn-primary:hover {
  background: linear-gradient(135deg, #f58f38, var(--accent-orange));
  transform: translateY(-2px);
  box-shadow: 0 12px 30px rgba(243, 129, 32, 0.4);
}

.btn-secondary {
  background: var(--primary-blue);
  color: var(--text-white);
  box-shadow: var(--shadow-md);
}

.btn-secondary:hover {
  background: var(--primary-blue-light);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.btn-outline {
  background: transparent;
  color: var(--primary-blue);
  border: 2px solid var(--primary-blue);
}

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

.btn-outline-white {
  background: transparent;
  color: var(--text-white);
  border: 2px solid rgba(255, 255, 255, 0.3);
}

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

/* Top Meta Announcement Bar */
.top-bar {
  background: var(--primary-blue-dark);
  color: var(--text-light);
  font-size: 0.85rem;
  padding: 0.6rem 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

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

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

.top-info-item {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  color: #cbd5e1;
}

.top-info-item svg {
  width: 15px;
  height: 15px;
  color: var(--accent-orange);
}

.gov-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  background: rgba(243, 129, 32, 0.18);
  border: 1px solid rgba(243, 129, 32, 0.3);
  color: #ffaa5b;
  padding: 0.25rem 0.75rem;
  border-radius: var(--radius-sm);
  font-size: 0.8rem;
  font-weight: 600;
}

/* Redesigned Multi-Page Navigation Header */
.main-header {
  position: sticky;
  top: 0;
  left: 0;
  width: 100%;
  background: rgba(255, 255, 255, 0.98);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  box-shadow: 0 4px 20px rgba(15, 56, 117, 0.08);
  z-index: 1000;
  transition: all var(--transition-normal);
}

.header-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.85rem 1.5rem;
}

/* SME Custom Logo Styling matching PDF emblem */
.logo {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  text-decoration: none;
}

.logo-icon-wrap {
  width: 48px;
  height: 48px;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}

.logo-text-wrap {
  display: flex;
  flex-direction: column;
}

.logo-title {
  font-family: 'Outfit', sans-serif;
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--primary-blue);
  letter-spacing: 0.5px;
  line-height: 1.1;
}

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

.logo-sub {
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 1px;
  color: var(--text-muted);
  text-transform: uppercase;
}

/* Redesigned Navigation Menu Bar */
.nav-menu {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  background: #f1f5f9;
  padding: 0.25rem 0.5rem;
  border-radius: var(--radius-full);
  border: 1px solid var(--border-color);
}

.nav-link {
  font-family: 'Outfit', sans-serif;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-main);
  padding: 0.4rem 0.8rem;
  border-radius: var(--radius-full);
  transition: all var(--transition-fast);
}

.nav-link:hover {
  color: var(--primary-blue);
  background: rgba(15, 56, 117, 0.08);
}

.nav-link.active {
  background: var(--primary-blue);
  color: var(--text-white);
  box-shadow: var(--shadow-sm);
}

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

.hamburger span {
  display: block;
  width: 26px;
  height: 3px;
  background: var(--primary-blue);
  margin: 5px 0;
  border-radius: 2px;
  transition: all var(--transition-fast);
}

/* Hero Section */
.hero {
  position: relative;
  background: linear-gradient(135deg, #07152b 0%, #0d2850 50%, #08111e 100%);
  color: var(--text-white);
  padding: 5.5rem 0 6.5rem 0;
  overflow: hidden;
}

.hero-glow-1 {
  position: absolute;
  top: -20%;
  right: -10%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(243, 129, 32, 0.16) 0%, rgba(0,0,0,0) 70%);
  border-radius: 50%;
  pointer-events: none;
}

.hero-glow-2 {
  position: absolute;
  bottom: -20%;
  left: -10%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(23, 78, 166, 0.3) 0%, rgba(0,0,0,0) 70%);
  border-radius: 50%;
  pointer-events: none;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 3rem;
  align-items: center;
}

.hero-content {
  z-index: 2;
}

.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.4rem 1.2rem;
  background: rgba(243, 129, 32, 0.15);
  border: 1px solid rgba(243, 129, 32, 0.4);
  border-radius: var(--radius-full);
  color: #ffaa5b;
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 1.5rem;
}

.hero-title {
  font-size: 3.4rem;
  color: #ffffff;
  line-height: 1.15;
  margin-bottom: 1.25rem;
  letter-spacing: -1px;
}

.hero-title span {
  background: linear-gradient(135deg, #ffa852, var(--accent-orange));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-description {
  font-size: 1.15rem;
  color: #cbd5e1;
  margin-bottom: 2rem;
  max-width: 620px;
  line-height: 1.7;
}

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

/* Stats Counter Grid */
.hero-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
  padding-top: 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
}

.stat-item h3 {
  font-size: 2.2rem;
  color: #ffffff;
  margin-bottom: 0.2rem;
}

.stat-item h3 span {
  color: var(--accent-orange);
}

.stat-item p {
  font-size: 0.85rem;
  color: #94a3b8;
}

/* Hero Feature Card Right */
.hero-card-preview {
  background: rgba(15, 30, 54, 0.75);
  border: 1px solid rgba(255, 255, 255, 0.14);
  backdrop-filter: blur(16px);
  padding: 2.5rem;
  border-radius: var(--radius-lg);
  box-shadow: 0 25px 60px rgba(0, 0, 0, 0.45);
  position: relative;
  z-index: 2;
}

.hero-card-header {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.hero-card-icon {
  width: 50px;
  height: 50px;
  background: linear-gradient(135deg, var(--accent-orange), #d96d10);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
}

.hero-card-title h4 {
  font-size: 1.25rem;
  color: white;
}

.hero-card-title p {
  font-size: 0.85rem;
  color: var(--text-light);
}

.hero-card-list {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.hero-card-list-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.95rem;
  color: #e2e8f0;
}

.hero-card-list-item svg {
  width: 20px;
  height: 20px;
  color: var(--accent-orange);
  flex-shrink: 0;
}

/* About Section */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3.5rem;
  align-items: center;
}

.about-text p {
  margin-bottom: 1.25rem;
  color: var(--text-muted);
  font-size: 1.05rem;
  line-height: 1.7;
}

.about-features-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
  margin-top: 2rem;
}

.feature-box {
  background: var(--bg-white);
  padding: 1.5rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-fast);
}

.feature-box:hover {
  transform: translateY(-4px);
  border-color: var(--primary-blue-light);
}

.feature-box-icon {
  width: 42px;
  height: 42px;
  background: var(--primary-blue-glow);
  color: var(--primary-blue);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1rem;
}

.feature-box h4 {
  font-size: 1.1rem;
  margin-bottom: 0.4rem;
}

.feature-box p {
  font-size: 0.9rem;
  color: var(--text-muted);
  margin-bottom: 0;
}

/* Mission & Vision Cards */
.mission-vision-wrapper {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  margin-top: 3.5rem;
}

.mv-card {
  background: linear-gradient(145deg, #0b1f3c, #112a50);
  border: 1px solid rgba(255, 255, 255, 0.1);
  padding: 2.5rem;
  border-radius: var(--radius-lg);
  position: relative;
  overflow: hidden;
}

.mv-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 5px;
  height: 100%;
  background: var(--accent-orange);
}

.mv-icon {
  width: 56px;
  height: 56px;
  background: rgba(243, 129, 32, 0.15);
  color: var(--accent-orange);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.5rem;
}

.mv-card h3 {
  font-size: 1.5rem;
  margin-bottom: 1rem;
  color: white;
}

.mv-card p {
  color: #cbd5e1;
  font-size: 1rem;
  line-height: 1.7;
}

/* Services Section Grid */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(360px, 1fr));
  gap: 2rem;
}

.service-card {
  background: var(--bg-white);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-color);
  padding: 2.25rem;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-normal);
  display: flex;
  flex-direction: column;
  position: relative;
}

.service-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(243, 129, 32, 0.4);
}

.service-card-number {
  position: absolute;
  top: 1.5rem;
  right: 1.5rem;
  font-family: 'Outfit', sans-serif;
  font-size: 1.8rem;
  font-weight: 800;
  color: rgba(15, 56, 117, 0.12);
}

.service-card-icon {
  width: 52px;
  height: 52px;
  background: linear-gradient(135deg, var(--primary-blue), var(--primary-blue-dark));
  color: white;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.5rem;
}

.service-card h3 {
  font-size: 1.35rem;
  margin-bottom: 1rem;
  padding-right: 2rem;
}

.service-list {
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
  margin-top: 1rem;
}

.service-list li {
  display: flex;
  align-items: flex-start;
  gap: 0.6rem;
  font-size: 0.92rem;
  color: var(--text-muted);
}

.service-list li svg {
  width: 16px;
  height: 16px;
  color: var(--accent-orange);
  flex-shrink: 0;
  margin-top: 4px;
}

/* Solutions & Equipment Showcase */
.solution-filters {
  display: flex;
  justify-content: center;
  gap: 0.6rem;
  flex-wrap: wrap;
  margin-bottom: 2.5rem;
}

.filter-chip {
  padding: 0.55rem 1.25rem;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: var(--radius-full);
  color: var(--text-light);
  font-size: 0.88rem;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.filter-chip:hover, .filter-chip.active {
  background: var(--accent-orange);
  color: white;
  border-color: var(--accent-orange);
}

.solutions-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(290px, 1fr));
  gap: 1.75rem;
}

.solution-card {
  background: var(--bg-dark-card);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: all var(--transition-normal);
}

.solution-card:hover {
  transform: translateY(-5px);
  border-color: var(--accent-orange);
  box-shadow: 0 12px 35px rgba(0, 0, 0, 0.5);
}

.solution-thumb {
  height: 190px;
  background: #0b172a;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.solution-thumb-graphic {
  width: 100%;
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  background: radial-gradient(circle, rgba(23, 78, 166, 0.4) 0%, rgba(11, 23, 42, 0.95) 100%);
  color: var(--accent-orange);
  padding: 1rem;
  text-align: center;
}

.solution-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.solution-card:hover .solution-thumb img {
  transform: scale(1.1);
}

.solution-thumb-graphic svg {
  width: 54px;
  height: 54px;
  transition: transform var(--transition-normal);
}

.solution-card:hover .solution-thumb-graphic svg {
  transform: scale(1.15);
}

.solution-body {
  padding: 1.35rem;
}

.solution-tag {
  font-size: 0.75rem;
  color: var(--accent-orange);
  text-transform: uppercase;
  font-weight: 700;
  letter-spacing: 0.5px;
  margin-bottom: 0.3rem;
}

.solution-title {
  font-size: 1.1rem;
  color: white;
  margin-bottom: 0.5rem;
}

.solution-desc {
  font-size: 0.85rem;
  color: var(--text-light);
  line-height: 1.5;
}

/* Key Clients Section */
.clients-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(210px, 1fr));
  gap: 1.25rem;
}

.client-card {
  background: var(--bg-white);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1.35rem 1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  font-family: 'Outfit', sans-serif;
  font-weight: 700;
  font-size: 0.95rem;
  color: var(--primary-blue);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-fast);
}

.client-card:hover {
  transform: translateY(-3px);
  border-color: var(--accent-orange);
  box-shadow: var(--shadow-md);
  color: var(--accent-orange);
}

/* Interactive Quote Estimator Section */
.estimator-card {
  background: var(--bg-white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--border-color);
  padding: 3rem;
}

.estimator-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 3rem;
}

.form-group {
  margin-bottom: 1.5rem;
}

.form-label {
  display: block;
  font-family: 'Outfit', sans-serif;
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--text-main);
  margin-bottom: 0.5rem;
}

.form-control, .form-select {
  width: 100%;
  padding: 0.85rem 1.2rem;
  font-family: 'Inter', sans-serif;
  font-size: 0.95rem;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  background: var(--bg-slate);
  color: var(--text-main);
  transition: all var(--transition-fast);
}

.form-control:focus, .form-select:focus {
  outline: none;
  border-color: var(--primary-blue);
  background: white;
  box-shadow: 0 0 0 3px var(--primary-blue-glow);
}

.form-checkbox-group {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
}

.checkbox-card {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.75rem 1rem;
  background: var(--bg-slate);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.checkbox-card:hover {
  border-color: var(--primary-blue);
}

.checkbox-card input[type="checkbox"] {
  accent-color: var(--accent-orange);
  width: 18px;
  height: 18px;
}

.estimate-summary {
  background: var(--primary-blue-dark);
  color: white;
  padding: 2.5rem;
  border-radius: var(--radius-md);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.summary-details {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  margin: 1.5rem 0;
  padding: 1.5rem 0;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.summary-row {
  display: flex;
  justify-content: space-between;
  font-size: 0.95rem;
  color: #cbd5e1;
}

.summary-total {
  font-size: 1.25rem;
  font-weight: 700;
  color: white;
}

.summary-total span {
  color: var(--accent-orange);
}

/* Contact Section */
.contact-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 3rem;
}

.contact-info-cards {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.contact-card {
  background: var(--bg-white);
  padding: 1.5rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
  display: flex;
  align-items: flex-start;
  gap: 1.25rem;
  box-shadow: var(--shadow-sm);
}

.contact-card-icon {
  width: 48px;
  height: 48px;
  background: var(--primary-blue-glow);
  color: var(--primary-blue);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.contact-card h4 {
  font-size: 1.1rem;
  margin-bottom: 0.25rem;
}

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

.contact-form-card {
  background: var(--bg-white);
  padding: 2.5rem;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-md);
}

/* Footer */
.footer {
  background: var(--bg-dark);
  color: #94a3b8;
  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-brand p {
  margin-top: 1rem;
  font-size: 0.9rem;
  color: #94a3b8;
  line-height: 1.6;
}

.footer-title {
  color: white;
  font-size: 1.1rem;
  margin-bottom: 1.25rem;
}

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

.footer-links a {
  font-size: 0.9rem;
  color: #cbd5e1;
}

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

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

/* Modal Popup */
.modal {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(9, 19, 34, 0.8);
  backdrop-filter: blur(8px);
  z-index: 2000;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
}

.modal.active {
  display: flex;
}

.modal-content {
  background: white;
  width: 100%;
  max-width: 600px;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
  animation: modalIn 0.3s ease-out forwards;
}

@keyframes modalIn {
  from { opacity: 0; transform: scale(0.95); }
  to { opacity: 1; transform: scale(1); }
}

.modal-header {
  background: var(--primary-blue-dark);
  color: white;
  padding: 1.5rem 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.modal-close {
  background: none;
  border: none;
  color: white;
  cursor: pointer;
}

.modal-body {
  padding: 2rem;
}

/* Toast Notifications */
.toast-container {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  z-index: 3000;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.toast {
  background: var(--primary-blue-dark);
  color: white;
  padding: 1rem 1.5rem;
  border-left: 4px solid var(--accent-orange);
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-lg);
  display: flex;
  align-items: center;
  gap: 0.75rem;
  animation: slideInRight 0.3s ease-out;
}

@keyframes slideInRight {
  from { transform: translateX(100%); opacity: 0; }
  to { transform: translateX(0); opacity: 1; }
}

/* Media Queries & Responsive Design */
@media (max-width: 1024px) {
  .hero-grid, .about-grid, .estimator-grid, .contact-grid {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }

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

  .hero-title {
    font-size: 2.75rem;
  }

  .nav-menu {
    background: transparent;
    border: none;
  }
}

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

  .header-container {
    padding: 0.6rem 1rem;
  }

  .logo-title {
    font-size: 1.15rem;
  }

  .logo-sub {
    font-size: 0.55rem;
  }

  .nav-menu {
    position: fixed;
    top: 60px;
    left: -100%;
    width: 100%;
    height: calc(100vh - 60px);
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    flex-direction: column;
    padding: 3rem 2rem;
    align-items: center;
    gap: 1.5rem;
    transition: left var(--transition-normal);
    box-shadow: var(--shadow-lg);
    border-radius: 0;
  }

  .nav-link {
    width: 100%;
    padding: 0.85rem 1rem;
    border-radius: var(--radius-md);
    font-size: 1.05rem;
    text-align: center;
    background: #f8fafc;
  }

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

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

  .hamburger {
    display: block;
  }

  .hero-stats {
    grid-template-columns: 1fr 1fr;
  }

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

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

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