/* 
  Balaji Glass & Aluminium Noida - Master Architectural Glass Stylesheet
  Colors: Royal Blue (#0B5ED7), Silver Grey (#C0C0C0), White (#FFFFFF), Matte Black (#1F2937), Light Grey (#F3F4F6)
  Fonts: Poppins (Headings), Inter (Body Text)
*/

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

:root {
  --color-royal-blue: #0B5ED7;
  --color-royal-blue-dark: #0A4BB5;
  --color-royal-blue-light: #3B82F6;
  --color-silver: #C0C0C0;
  --color-silver-light: #E5E7EB;
  --color-matte-black: #1F2937;
  --color-dark-surface: #111827;
  --color-text-main: #374151;
  --color-text-muted: #6B7280;
  --color-bg-light: #F9FAFB;
  --color-bg-alt: #F3F4F6;
  --color-white: #FFFFFF;
  --color-border: #E5E7EB;
  --color-whatsapp: #25D366;
  --color-whatsapp-dark: #1EBE57;
  --font-heading: 'Poppins', sans-serif;
  --font-body: 'Inter', sans-serif;
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
  --shadow-blue: 0 10px 25px -5px rgba(11, 94, 215, 0.25);
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-full: 9999px;
  --transition-fast: all 0.2s ease;
  --transition-normal: all 0.3s ease;
}

/* 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-body);
  color: var(--color-text-main);
  background-color: var(--color-bg-light);
  line-height: 1.6;
  overflow-x: hidden;
  padding-bottom: 70px; /* Space for Mobile Bottom Bar */
}

@media (min-width: 768px) {
  body {
    padding-bottom: 0;
  }
}

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

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

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

ul {
  list-style: none;
}

.container {
  width: 100%;
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 1.25rem;
}

/* Section Common Utilities */
.section {
  padding: 4.5rem 0;
}

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

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

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

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

.badge-tag {
  display: inline-block;
  padding: 0.35rem 1rem;
  background-color: rgba(11, 94, 215, 0.1);
  color: var(--color-royal-blue);
  font-family: var(--font-heading);
  font-size: 0.85rem;
  font-weight: 600;
  border-radius: var(--radius-full);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 0.75rem;
}

.badge-tag-silver {
  background-color: rgba(192, 192, 192, 0.25);
  color: #374151;
  border: 1px solid var(--color-silver);
}

.section-title {
  font-size: 2.25rem;
  font-weight: 700;
  margin-bottom: 1rem;
  letter-spacing: -0.02em;
}

@media (max-width: 768px) {
  .section-title {
    font-size: 1.75rem;
  }
}

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

.section-dark .section-subtitle {
  color: #9CA3AF;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.85rem 1.75rem;
  font-family: var(--font-heading);
  font-size: 0.95rem;
  font-weight: 600;
  border-radius: var(--radius-md);
  cursor: pointer;
  border: none;
  outline: none;
  transition: var(--transition-normal);
  white-space: nowrap;
}

.btn-blue {
  background-color: var(--color-royal-blue);
  color: var(--color-white);
}

.btn-blue:hover {
  background-color: var(--color-royal-blue-dark);
  transform: translateY(-2px);
  box-shadow: var(--shadow-blue);
}

.btn-silver {
  background-color: var(--color-silver-light);
  color: var(--color-matte-black);
  border: 1px solid var(--color-silver);
}

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

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

.btn-whatsapp:hover {
  background-color: var(--color-whatsapp-dark);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(37, 211, 102, 0.3);
}

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

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

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

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

.btn-full {
  width: 100%;
}

/* Header & Sticky Navigation */
.header-top {
  background-color: var(--color-matte-black);
  color: var(--color-white);
  font-size: 0.85rem;
  padding: 0.4rem 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

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

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

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

.top-badge {
  background-color: var(--color-royal-blue);
  color: var(--color-white);
  font-weight: 700;
  padding: 0.15rem 0.6rem;
  border-radius: var(--radius-sm);
  font-size: 0.75rem;
}

.header-main {
  position: sticky;
  top: 0;
  left: 0;
  width: 100%;
  background-color: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(10px);
  z-index: 1000;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.06);
  transition: var(--transition-normal);
}

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

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

.logo-icon {
  width: 44px;
  height: 44px;
  background: linear-gradient(135deg, var(--color-royal-blue) 0%, #064098 100%);
  color: var(--color-white);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  font-weight: 800;
  box-shadow: 0 4px 10px rgba(11, 94, 215, 0.3);
  border: 1px solid var(--color-silver);
}

.logo-text h2 {
  font-size: 1.2rem;
  line-height: 1.1;
  color: var(--color-matte-black);
}

.logo-text span {
  font-size: 0.75rem;
  color: var(--color-royal-blue);
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.nav-links {
  display: flex;
  gap: 1.5rem;
  align-items: center;
}

.nav-link {
  font-family: var(--font-heading);
  font-weight: 500;
  font-size: 0.92rem;
  color: var(--color-text-main);
  position: relative;
  padding: 0.25rem 0;
}

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

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--color-royal-blue);
  transition: var(--transition-fast);
}

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

.nav-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.mobile-menu-btn {
  display: none;
  background: none;
  border: none;
  font-size: 1.75rem;
  color: var(--color-matte-black);
  cursor: pointer;
  padding: 0.5rem;
}

/* Mobile Nav Drawer */
.mobile-nav-drawer {
  position: fixed;
  top: 0;
  right: -100%;
  width: 85%;
  max-width: 360px;
  height: 100vh;
  background-color: var(--color-white);
  z-index: 1050;
  box-shadow: -5px 0 25px rgba(0,0,0,0.15);
  transition: right 0.3s ease;
  padding: 2rem 1.5rem;
  display: flex;
  flex-direction: column;
}

.mobile-nav-drawer.open {
  right: 0;
}

.mobile-drawer-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background-color: rgba(0,0,0,0.5);
  z-index: 1045;
  display: none;
}

.mobile-drawer-overlay.active {
  display: block;
}

.mobile-drawer-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 2rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--color-border);
}

.mobile-drawer-links {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  margin-bottom: 2rem;
}

.mobile-drawer-links a {
  font-family: var(--font-heading);
  color: var(--color-matte-black);
  font-weight: 600;
  font-size: 1.1rem;
}

/* Hero Section */
.hero-section {
  position: relative;
  background: linear-gradient(135deg, rgba(17, 24, 39, 0.90) 0%, rgba(11, 94, 215, 0.85) 100%), 
              url('https://images.unsplash.com/photo-1497366216548-37526070297c?q=80&w=2000&auto=format&fit=crop') center/cover no-repeat;
  color: var(--color-white);
  padding: 5.5rem 0 5rem 0;
  overflow: hidden;
}

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

.hero-content h1 {
  font-size: 3rem;
  color: var(--color-white);
  line-height: 1.15;
  margin-bottom: 1.25rem;
  font-weight: 800;
}

.hero-content h1 span {
  color: #60A5FA;
}

.hero-subtitle {
  font-size: 1.15rem;
  line-height: 1.6;
  color: rgba(255, 255, 255, 0.9);
  margin-bottom: 2rem;
}

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

.trust-highlights {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
  padding-top: 1.5rem;
  border-top: 1px solid rgba(255, 255, 255, 0.2);
}

.trust-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  background: rgba(255, 255, 255, 0.15);
  backdrop-filter: blur(5px);
  padding: 0.4rem 0.9rem;
  border-radius: var(--radius-full);
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--color-white);
  border: 1px solid rgba(255, 255, 255, 0.25);
}

.hero-card {
  background: rgba(255, 255, 255, 0.98);
  border-radius: var(--radius-lg);
  padding: 2.25rem;
  color: var(--color-matte-black);
  box-shadow: 0 20px 40px rgba(0,0,0,0.3);
  border: 2px solid var(--color-royal-blue);
}

.hero-card h3 {
  font-size: 1.4rem;
  margin-bottom: 0.5rem;
  color: var(--color-matte-black);
}

.hero-card p {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  margin-bottom: 1.5rem;
}

.form-group {
  margin-bottom: 1.1rem;
}

.form-group label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 0.35rem;
  color: var(--color-matte-black);
}

.form-control {
  width: 100%;
  padding: 0.75rem 1rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  font-family: var(--font-body);
  font-size: 0.95rem;
  transition: var(--transition-fast);
}

.form-control:focus {
  outline: none;
  border-color: var(--color-royal-blue);
  box-shadow: 0 0 0 3px rgba(11, 94, 215, 0.15);
}

/* Quick Service Cards */
.quick-cards-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
  margin-top: -3.5rem;
  position: relative;
  z-index: 10;
}

.quick-card {
  background: var(--color-white);
  border-radius: var(--radius-md);
  padding: 1.75rem 1.5rem;
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--color-border);
  transition: var(--transition-normal);
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.quick-card:hover {
  transform: translateY(-6px);
  border-color: var(--color-royal-blue);
  box-shadow: 0 15px 30px rgba(11, 94, 215, 0.15);
}

.quick-card-icon {
  width: 52px;
  height: 52px;
  background-color: rgba(11, 94, 215, 0.1);
  color: var(--color-royal-blue);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
}

.quick-card h3 {
  font-size: 1.2rem;
}

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

/* Services Grid */
.service-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.service-card {
  background: var(--color-white);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--color-border);
  transition: var(--transition-normal);
  display: flex;
  flex-direction: column;
}

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

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

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

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

.service-tag {
  position: absolute;
  top: 1rem;
  right: 1rem;
  background: rgba(11, 94, 215, 0.9);
  color: var(--color-white);
  font-size: 0.75rem;
  font-weight: 600;
  padding: 0.25rem 0.75rem;
  border-radius: var(--radius-full);
  backdrop-filter: blur(4px);
}

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

.service-body h3 {
  font-size: 1.25rem;
  margin-bottom: 0.6rem;
}

.service-body p {
  font-size: 0.92rem;
  color: var(--color-text-muted);
  margin-bottom: 1.25rem;
  flex-grow: 1;
}

.service-features {
  margin-bottom: 1.25rem;
  font-size: 0.85rem;
}

.service-features li {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 0.35rem;
  color: var(--color-text-main);
}

.service-features li::before {
  content: "✓";
  color: var(--color-royal-blue);
  font-weight: bold;
}

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

.about-img-group {
  position: relative;
}

.about-img-main {
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
}

.about-img-badge {
  position: absolute;
  bottom: -1.5rem;
  right: -1.5rem;
  background: var(--color-matte-black);
  color: var(--color-white);
  padding: 1.5rem;
  border-radius: var(--radius-md);
  border: 3px solid var(--color-royal-blue);
  box-shadow: var(--shadow-lg);
}

.about-img-badge h4 {
  color: #60A5FA;
  font-size: 2rem;
  line-height: 1;
}

.about-img-badge p {
  font-size: 0.85rem;
  color: var(--color-white);
}

.services-list-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.75rem 1.5rem;
  margin: 1.5rem 0 2rem 0;
}

.service-check-item {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-weight: 500;
  font-size: 0.95rem;
}

.service-check-icon {
  width: 22px;
  height: 22px;
  background: rgba(11, 94, 215, 0.15);
  color: var(--color-royal-blue);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  font-weight: bold;
}

/* Why Choose Us */
.why-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.why-card {
  background: var(--color-white);
  border-radius: var(--radius-md);
  padding: 2rem 1.5rem;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--color-border);
  transition: var(--transition-normal);
  text-align: center;
}

.why-card:hover {
  transform: translateY(-5px);
  border-color: var(--color-royal-blue);
  box-shadow: var(--shadow-lg);
}

.why-icon {
  width: 64px;
  height: 64px;
  background: var(--color-royal-blue);
  color: var(--color-white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.75rem;
  margin: 0 auto 1.25rem auto;
  box-shadow: 0 6px 15px rgba(11, 94, 215, 0.25);
}

.why-card h3 {
  font-size: 1.25rem;
  margin-bottom: 0.6rem;
}

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

/* Process Timeline */
.process-timeline {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 1.25rem;
  position: relative;
}

.process-step {
  background: var(--color-white);
  border-radius: var(--radius-md);
  padding: 1.75rem 1.25rem;
  text-align: center;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--color-border);
  position: relative;
}

.process-num {
  width: 44px;
  height: 44px;
  background: var(--color-royal-blue);
  color: var(--color-white);
  border-radius: 50%;
  font-family: var(--font-heading);
  font-size: 1.2rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1rem auto;
  border: 3px solid var(--color-silver);
}

.process-step h3 {
  font-size: 1.1rem;
  margin-bottom: 0.5rem;
}

.process-step p {
  font-size: 0.85rem;
  color: var(--color-text-muted);
}

/* Gallery Section */
.gallery-filters {
  display: flex;
  justify-content: center;
  gap: 0.75rem;
  flex-wrap: wrap;
  margin-bottom: 2.5rem;
}

.filter-btn {
  padding: 0.5rem 1.25rem;
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  font-family: var(--font-heading);
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--color-text-main);
  cursor: pointer;
  transition: var(--transition-fast);
}

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

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

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

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

.gallery-item:hover img {
  transform: scale(1.08);
}

.gallery-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(31, 41, 55, 0.9) 0%, transparent 60%);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 1.5rem;
  color: var(--color-white);
  opacity: 0;
  transition: opacity 0.3s ease;
}

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

.gallery-overlay h4 {
  color: #60A5FA;
  font-size: 1.2rem;
}

.gallery-overlay p {
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.85);
}

/* Local SEO Section */
.seo-box {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  padding: 3rem;
  box-shadow: var(--shadow-lg);
  border-left: 6px solid var(--color-royal-blue);
}

.geo-pills {
  display: flex;
  gap: 0.6rem;
  flex-wrap: wrap;
  margin-top: 1.5rem;
}

.geo-pill {
  background: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  padding: 0.35rem 0.9rem;
  border-radius: var(--radius-full);
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--color-royal-blue-dark);
}

/* FAQ Accordion */
.faq-list {
  max-width: 840px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

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

.faq-question {
  width: 100%;
  padding: 1.25rem 1.5rem;
  background: none;
  border: none;
  text-align: left;
  font-family: var(--font-heading);
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--color-matte-black);
  display: flex;
  justify-content: space-between;
  align-items: center;
  cursor: pointer;
}

.faq-toggle {
  width: 28px;
  height: 28px;
  background: var(--color-bg-alt);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  transition: transform 0.3s ease;
}

.faq-item.active .faq-toggle {
  transform: rotate(45deg);
  background: var(--color-royal-blue);
  color: var(--color-white);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease, padding 0.3s ease;
  padding: 0 1.5rem;
  color: var(--color-text-muted);
  font-size: 0.95rem;
  line-height: 1.6;
}

.faq-item.active .faq-answer {
  max-height: 300px;
  padding: 0 1.5rem 1.25rem 1.5rem;
}

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

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

.contact-detail-item {
  display: flex;
  gap: 1.25rem;
  margin-bottom: 1.75rem;
}

.contact-detail-icon {
  width: 48px;
  height: 48px;
  background: rgba(11, 94, 215, 0.1);
  color: var(--color-royal-blue);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  flex-shrink: 0;
}

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

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

.map-container {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  height: 100%;
  min-height: 380px;
}

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

/* Final CTA Section */
.cta-banner {
  background: linear-gradient(135deg, var(--color-matte-black) 0%, var(--color-royal-blue-dark) 100%);
  color: var(--color-white);
  border-radius: var(--radius-lg);
  padding: 3.5rem 2rem;
  text-align: center;
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  border: 2px solid var(--color-silver);
}

.cta-banner h2 {
  color: var(--color-white);
  font-size: 2.25rem;
  margin-bottom: 1rem;
}

.cta-banner p {
  font-size: 1.1rem;
  color: rgba(255, 255, 255, 0.85);
  max-width: 650px;
  margin: 0 auto 2rem auto;
}

.cta-buttons {
  display: flex;
  justify-content: center;
  gap: 1rem;
  flex-wrap: wrap;
}

/* Footer */
.site-footer {
  background: var(--color-matte-black);
  color: #9CA3AF;
  padding: 4.5rem 0 0 0;
  font-size: 0.9rem;
  border-top: 3px solid var(--color-royal-blue);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 3rem;
  margin-bottom: 3.5rem;
}

.footer-brand h3 {
  color: var(--color-white);
  font-size: 1.35rem;
  margin-bottom: 1rem;
}

.footer-brand p {
  line-height: 1.6;
  margin-bottom: 1.5rem;
}

.footer-column h4 {
  color: var(--color-white);
  font-size: 1.1rem;
  margin-bottom: 1.25rem;
  position: relative;
  padding-bottom: 0.5rem;
}

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

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

.footer-links a:hover {
  color: #60A5FA;
  padding-left: 4px;
}

.footer-bottom {
  background: #111827;
  padding: 1.5rem 0;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  text-align: center;
  font-size: 0.85rem;
}

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

.footer-credit a {
  color: #60A5FA;
  font-weight: 600;
}

.footer-credit a:hover {
  text-decoration: underline;
}

/* Sticky Mobile Bottom Bar */
.mobile-bottom-bar {
  position: fixed;
  bottom: 0;
  left: 0;
  width: 100%;
  background: var(--color-matte-black);
  border-top: 2px solid var(--color-royal-blue);
  display: none;
  grid-template-columns: 1fr 1fr 1fr;
  z-index: 1020;
  box-shadow: 0 -4px 15px rgba(0,0,0,0.2);
}

.mobile-bottom-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 0.6rem 0;
  color: var(--color-white);
  font-size: 0.75rem;
  font-family: var(--font-heading);
  font-weight: 600;
  border-right: 1px solid rgba(255, 255, 255, 0.1);
}

.mobile-bottom-item:last-child {
  border-right: none;
}

.mobile-bottom-item i {
  font-size: 1.25rem;
  margin-bottom: 0.2rem;
}

.mobile-bottom-item.call {
  background: var(--color-royal-blue);
}

.mobile-bottom-item.whatsapp {
  background: var(--color-whatsapp);
}

.mobile-bottom-item.quote {
  background: var(--color-silver-light);
  color: var(--color-matte-black);
}

@media (max-width: 767px) {
  .mobile-bottom-bar {
    display: grid;
  }
}

/* Floating WhatsApp Button */
.floating-whatsapp {
  position: fixed;
  bottom: 90px;
  right: 20px;
  width: 60px;
  height: 60px;
  background-color: var(--color-whatsapp);
  color: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
  z-index: 1030;
  transition: transform 0.3s ease;
}

.floating-whatsapp:hover {
  transform: scale(1.1);
}

.floating-whatsapp::before {
  content: '';
  position: absolute;
  width: 100%;
  height: 100%;
  background-color: var(--color-whatsapp);
  border-radius: 50%;
  z-index: -1;
  animation: pulse-ping 1.8s infinite;
}

@keyframes pulse-ping {
  0% { transform: scale(1); opacity: 0.8; }
  100% { transform: scale(1.6); opacity: 0; }
}

@media (min-width: 768px) {
  .floating-whatsapp {
    bottom: 30px;
    right: 30px;
  }
}

/* Modal Form Popup */
.modal-backdrop {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(5px);
  z-index: 1100;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 1rem;
}

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

.modal-content {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  width: 100%;
  max-width: 540px;
  padding: 2.25rem;
  position: relative;
  box-shadow: 0 25px 50px rgba(0, 0, 0, 0.3);
  border: 2px solid var(--color-royal-blue);
  animation: modal-fade 0.3s ease;
}

@keyframes modal-fade {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

.modal-close {
  position: absolute;
  top: 1rem;
  right: 1rem;
  background: var(--color-bg-alt);
  border: none;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  font-size: 1.2rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* Responsive Grid Tweaks */
@media (max-width: 1024px) {
  .hero-grid {
    grid-template-columns: 1fr;
  }
  .quick-cards-grid {
    grid-template-columns: repeat(2, 1fr);
    margin-top: 2rem;
  }
  .service-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .why-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .process-timeline {
    grid-template-columns: repeat(3, 1fr);
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 768px) {
  .nav-links, .nav-actions .btn {
    display: none;
  }
  .mobile-menu-btn {
    display: block;
  }
  .hero-section {
    padding: 3.5rem 0 3rem 0;
  }
  .hero-content h1 {
    font-size: 2.15rem;
  }
  .service-grid {
    grid-template-columns: 1fr;
  }
  .about-grid {
    grid-template-columns: 1fr;
  }
  .why-grid {
    grid-template-columns: 1fr;
  }
  .process-timeline {
    grid-template-columns: 1fr;
  }
  .gallery-grid {
    grid-template-columns: 1fr;
  }
  .contact-grid {
    grid-template-columns: 1fr;
  }
  .footer-grid {
    grid-template-columns: 1fr;
  }
  .footer-bottom-flex {
    flex-direction: column;
    text-align: center;
  }
}