/* 
   HomeBuildBuddy Hyderabad - Premium CSS Design System
   Color Palette: HSL Construction Safety Orange & Steel Trust Blue
*/

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

:root {
    /* HSL Colors */
    --primary-hue: 220;
    --primary-sat: 20%;
    --primary: hsl(var(--primary-hue), var(--primary-sat), 12%); /* Slate Dark */
    --primary-light: hsl(var(--primary-hue), var(--primary-sat), 18%);
    --bg-light: hsl(var(--primary-hue), 25%, 98%);
    --bg-dark: hsl(var(--primary-hue), 20%, 8%);
    
    --accent-orange: hsl(28, 95%, 53%); /* Safety Orange */
    --accent-orange-hover: hsl(28, 95%, 45%);
    --accent-blue: hsl(215, 90%, 50%); /* Trust Blue */
    --accent-gold: hsl(42, 70%, 45%); /* Finishing Gold */
    
    --text-dark: hsl(var(--primary-hue), 30%, 15%);
    --text-muted: hsl(var(--primary-hue), 15%, 45%);
    --text-light: hsl(0, 0%, 100%);
    --text-light-muted: hsl(var(--primary-hue), 10%, 80%);

    --glass-bg: rgba(255, 255, 255, 0.75);
    --glass-border: rgba(255, 255, 255, 0.4);
    
    --font-heading: 'Outfit', sans-serif;
    --font-body: 'Inter', sans-serif;
    --border-radius: 12px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --shadow: 0 10px 30px -10px rgba(15, 23, 42, 0.08);
    --shadow-hover: 0 20px 40px -15px rgba(15, 23, 42, 0.15);
}

/* Reset & Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    scroll-behavior: smooth;
}

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

h1, h2, h3, h4 {
    font-family: var(--font-heading);
    color: var(--primary);
    font-weight: 700;
}

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

ul {
    list-style: none;
}

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

/* Header & Glassmorphic Navigation */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background: var(--glass-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--glass-border);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.03);
    transition: var(--transition);
}

.header.scrolled {
    background: rgba(15, 23, 42, 0.95);
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.header.scrolled .logo h1 {
    color: var(--text-light);
}

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

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

.header.scrolled .btn-phone {
    background: var(--accent-orange);
    color: var(--text-light);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 1.25rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    flex-shrink: 0;
}

.logo h1 {
    font-size: 1.5rem;
    font-weight: 800;
    letter-spacing: -0.5px;
    display: flex;
    align-items: center;
    gap: 0.25rem;
    transition: var(--transition);
    white-space: nowrap;
}

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

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

.nav-menu .nav-link {
    white-space: nowrap !important;
}

.nav-link {
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--text-dark);
    position: relative;
    padding: 0.25rem 0;
    white-space: nowrap;
}

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

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

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

.nav-cta {
    display: flex;
    align-items: center;
    gap: 1rem;
    flex-shrink: 0;
}

/* Global Hide for dynamically injected mobile hamburger toggle */
.mobile-menu-toggle {
    display: none;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    border-radius: var(--border-radius);
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 0.95rem;
    cursor: pointer;
    border: none;
    transition: var(--transition);
}

.btn-primary {
    background-color: var(--accent-orange);
    color: var(--text-light);
    box-shadow: 0 4px 14px rgba(249, 115, 22, 0.3);
}

.btn-primary:hover {
    background-color: var(--accent-orange-hover);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(249, 115, 22, 0.4);
}

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

.btn-outline:hover {
    background-color: var(--primary);
    color: var(--text-light);
    transform: translateY(-2px);
}

.btn-phone {
    background-color: var(--primary);
    color: var(--text-light);
}

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

/* Hero Section */
.hero {
    min-height: 100vh;
    padding: 8rem 2rem 5rem 2rem;
    background: radial-gradient(circle at 10% 20%, rgba(255, 255, 255, 0.9) 0%, rgba(241, 245, 249, 0.9) 100%), 
                url('assets/hero.png') no-repeat center center/cover;
    display: flex;
    align-items: center;
}

.hero-container {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 4rem;
    align-items: center;
}

.hero-content {
    animation: fadeInUp 0.8s ease-out;
}

.badge-seo {
    display: inline-block;
    background: rgba(249, 115, 22, 0.1);
    color: var(--accent-orange);
    border: 1px solid rgba(249, 115, 22, 0.2);
    padding: 0.35rem 1rem;
    border-radius: 50px;
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.hero-title {
    font-size: 3.5rem;
    line-height: 1.15;
    letter-spacing: -1.5px;
    margin-bottom: 1.5rem;
}

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

.hero-desc {
    font-size: 1.15rem;
    color: var(--text-muted);
    margin-bottom: 2.5rem;
    max-width: 600px;
}

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

.hero-stats {
    display: flex;
    gap: 3rem;
    border-top: 1px solid rgba(15, 23, 42, 0.08);
    padding-top: 2rem;
}

.stat-item h4 {
    font-size: 2rem;
    color: var(--accent-orange);
}

.stat-item p {
    font-size: 0.85rem;
    font-weight: 500;
    text-transform: uppercase;
    color: var(--text-muted);
    letter-spacing: 0.5px;
}

.hero-card {
    background: rgba(255, 255, 255, 0.85);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    padding: 2.5rem;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.04);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    animation: fadeInRight 1s ease-out;
}

.hero-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.hero-card p {
    font-size: 0.95rem;
    color: var(--text-muted);
    margin-bottom: 1.5rem;
}

.bullet-list {
    margin-bottom: 1.5rem;
}

.bullet-list li {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 0.95rem;
    font-weight: 500;
    margin-bottom: 0.5rem;
}

.bullet-list svg {
    color: var(--accent-orange);
    flex-shrink: 0;
}

/* Sections General */
.section {
    padding: 7rem 2rem;
}

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

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

.section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 4.5rem auto;
}

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

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

.section-dark .section-header p {
    color: var(--text-light-muted);
}

.title-line {
    width: 60px;
    height: 4px;
    background-color: var(--accent-orange);
    margin: 0 auto;
}

/* Service Suite - Interactive Hub */
.services-hub {
    max-width: 1200px;
    margin: 0 auto;
}

.service-tabs {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 0.75rem;
    margin-bottom: 3.5rem;
}

.tab-btn {
    background-color: var(--text-light);
    border: 1px solid rgba(15, 23, 42, 0.08);
    color: var(--text-dark);
    padding: 0.75rem 1.25rem;
    border-radius: 50px;
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 0.9rem;
    cursor: pointer;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.tab-btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-hover);
    border-color: rgba(249, 115, 22, 0.3);
}

.tab-btn.active {
    background-color: var(--accent-orange);
    color: var(--text-light);
    border-color: var(--accent-orange);
    box-shadow: 0 4px 14px rgba(249, 115, 22, 0.3);
}

.service-display {
    background-color: var(--text-light);
    border-radius: 24px;
    box-shadow: var(--shadow);
    border: 1px solid rgba(15, 23, 42, 0.04);
    overflow: hidden;
    min-height: 450px;
}

.service-pane {
    display: none;
    grid-template-columns: 1fr 1fr;
    height: 100%;
}

.service-pane.active {
    display: grid;
    animation: fadeIn 0.5s ease-out;
}

.service-info {
    padding: 4rem;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.service-icon-box {
    width: 60px;
    height: 60px;
    background-color: rgba(249, 115, 22, 0.1);
    color: var(--accent-orange);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
}

.service-info h3 {
    font-size: 2rem;
    margin-bottom: 1rem;
    letter-spacing: -0.5px;
}

.service-info p {
    color: var(--text-muted);
    margin-bottom: 2rem;
    font-size: 1rem;
}

.service-features-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
    margin-bottom: 2.5rem;
}

.feature-check {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.9rem;
    font-weight: 500;
}

.feature-check svg {
    color: var(--accent-orange);
}

.service-media {
    position: relative;
    overflow: hidden;
}

.service-media img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.media-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to right, rgba(255, 255, 255, 0.3) 0%, rgba(15, 23, 42, 0.4) 100%);
}

/* Upgraded Projects Portfolio Showcase */
.portfolio-filters {
    margin-bottom: 3rem;
}

.portfolio-filter-btn {
    background-color: var(--text-light);
    border: 1px solid rgba(15, 23, 42, 0.08);
    color: var(--text-dark);
    padding: 0.6rem 1.25rem;
    border-radius: 50px;
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 0.85rem;
    cursor: pointer;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.portfolio-filter-btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-hover);
    border-color: rgba(249, 115, 22, 0.3);
}

.portfolio-filter-btn.active {
    background-color: var(--accent-orange);
    color: var(--text-light);
    border-color: var(--accent-orange);
    box-shadow: 0 4px 14px rgba(249, 115, 22, 0.3);
}

.portfolio-card {
    background-color: var(--text-light);
    border-radius: 20px;
    overflow: hidden;
    box-shadow: var(--shadow);
    border: 1px solid rgba(15, 23, 42, 0.04);
    cursor: pointer;
    transition: var(--transition);
    position: relative;
    height: 280px;
}

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

.portfolio-media {
    position: relative;
    width: 100%;
    height: 100%;
    overflow: hidden;
}

.portfolio-media img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s cubic-bezier(0.25, 1, 0.5, 1);
}

.portfolio-hover-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to top, rgba(15, 23, 42, 0.96) 0%, rgba(15, 23, 42, 0.4) 100%);
    opacity: 0;
    visibility: hidden;
    display: flex;
    align-items: flex-end;
    padding: 2rem;
    transition: all 0.4s ease-out;
}

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

.portfolio-card:hover .portfolio-media img {
    transform: scale(1.08);
}

.portfolio-hover-content {
    color: var(--text-light);
    width: 100%;
    transform: translateY(20px);
    transition: transform 0.4s cubic-bezier(0.25, 1, 0.5, 1);
}

.portfolio-card:hover .portfolio-hover-content {
    transform: translateY(0);
}

.portfolio-hover-content h3 {
    font-size: 1.35rem;
    font-family: var(--font-heading);
    font-weight: 700;
    margin-bottom: 0.5rem;
    color: var(--text-light);
}

.portfolio-hover-content p {
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 1.25rem;
    line-height: 1.4;
}

.read-more-link {
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--accent-orange);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    display: inline-block;
    transition: var(--transition);
}

.read-more-link:hover {
    color: var(--text-light);
}

/* Immersive Lightbox Modal Drawer */
.portfolio-modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(15, 23, 42, 0.85);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    z-index: 2000;
    align-items: center;
    justify-content: center;
    padding: 2rem;
    transition: opacity 0.3s ease-out;
    overflow-y: auto;
}

.portfolio-modal.active {
    display: flex;
    animation: fadeIn 0.3s ease-out;
}

.portfolio-modal-content {
    background-color: #1e293b;
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 24px;
    max-width: 950px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
    padding: 2.5rem;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
    position: relative;
    animation: fadeInUp 0.4s cubic-bezier(0.25, 1, 0.5, 1);
}

.portfolio-modal-close {
    position: absolute;
    top: 1.5rem;
    right: 1.5rem;
    color: var(--text-light-muted);
    font-size: 2rem;
    font-weight: 300;
    line-height: 1;
    cursor: pointer;
    transition: var(--transition);
    z-index: 10;
}

.portfolio-modal-close:hover {
    color: var(--accent-orange);
    transform: scale(1.1);
}

.portfolio-modal-grid {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 2.5rem;
    align-items: center;
}

.portfolio-modal-media {
    width: 100%;
    overflow: hidden;
    border-radius: 16px;
    box-shadow: 0 10px 20px rgba(0,0,0,0.3);
    border: 1px solid rgba(255,255,255,0.05);
}

.portfolio-modal-media img {
    width: 100%;
    height: 380px;
    object-fit: cover;
    display: block;
}

.portfolio-modal-info {
    color: var(--text-light);
}

.portfolio-modal-info h2 {
    font-size: 1.85rem;
    color: var(--text-light);
    margin-bottom: 0.5rem;
}

.modal-project-desc {
    margin-bottom: 1.5rem;
}

/* Upgraded Interactive Cost Estimator & Quotation Wizard */
.estimator {
    max-width: 1100px;
    margin: 0 auto;
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid rgba(255, 255, 255, 0.06);
    border-radius: 24px;
    padding: 3rem;
    box-shadow: 0 30px 60px rgba(0, 0, 0, 0.2);
}

.node-circle {
    box-shadow: 0 0 0 rgba(249, 115, 22, 0);
}

.progress-step-node.completed .node-circle {
    background: var(--accent-orange) !important;
    border-color: var(--accent-orange) !important;
    color: var(--text-light) !important;
}

.progress-step-node.active .node-circle {
    border-color: var(--accent-orange) !important;
    color: var(--accent-orange) !important;
    box-shadow: 0 0 15px rgba(249, 115, 22, 0.4);
}

/* Radio Card & Selectable Options */
.radio-card {
    background: rgba(255, 255, 255, 0.02);
    border: 2px solid rgba(255, 255, 255, 0.08);
    transition: var(--transition);
}

.radio-card:hover {
    background: rgba(255, 255, 255, 0.05) !important;
    border-color: rgba(249, 115, 22, 0.3) !important;
}

.radio-card.active {
    background: rgba(249, 115, 22, 0.06) !important;
    border-color: var(--accent-orange) !important;
}

.material-tier-card {
    background: rgba(255, 255, 255, 0.02);
    border: 2px solid rgba(255, 255, 255, 0.08);
    transition: var(--transition);
}

.material-tier-card:hover {
    background: rgba(255, 255, 255, 0.04) !important;
    border-color: rgba(249, 115, 22, 0.3) !important;
}

.material-tier-card.active {
    background: rgba(249, 115, 22, 0.04) !important;
    border-color: var(--accent-orange) !important;
    box-shadow: 0 0 20px rgba(249, 115, 22, 0.15) !important;
}

.wizard-step {
    animation: fadeIn 0.4s ease-out;
}

/* Estimator Results Card */
.estimator-results {
    background: rgba(15, 23, 42, 0.4);
    border: 1px solid rgba(255, 255, 255, 0.06);
    border-radius: 20px;
    padding: 2rem;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.results-header h4 {
    font-size: 1.25rem;
    color: var(--text-light);
    margin-bottom: 1.5rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    padding-bottom: 0.75rem;
}

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

.results-list li {
    display: flex;
    justify-content: space-between;
    margin-bottom: 0.75rem;
    font-size: 0.95rem;
    color: var(--text-light-muted);
}

.results-total {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 1.5rem;
    margin-bottom: 2rem;
}

.total-label {
    font-family: var(--font-heading);
    font-size: 0.85rem;
    color: var(--text-light-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.total-price {
    font-size: 2.75rem;
    font-family: var(--font-heading);
    font-weight: 800;
    color: var(--accent-orange);
    line-height: 1;
    margin-top: 0.25rem;
}

.price-sub {
    font-size: 0.85rem;
    color: var(--text-light-muted);
    margin-top: 0.5rem;
}

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

.results-cta p {
    font-size: 0.85rem;
    color: var(--text-light-muted);
    margin-top: 0.75rem;
}

/* Why Choose Us - Process Flow */
.process {
    max-width: 1200px;
    margin: 0 auto;
}

.process-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
}

.process-card {
    background-color: var(--text-light);
    border-radius: 20px;
    padding: 2.5rem;
    border: 1px solid rgba(15, 23, 42, 0.04);
    box-shadow: var(--shadow);
    position: relative;
    transition: var(--transition);
}

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

.process-num {
    position: absolute;
    top: 2rem;
    right: 2rem;
    font-size: 3rem;
    font-weight: 800;
    font-family: var(--font-heading);
    color: rgba(249, 115, 22, 0.1);
    line-height: 1;
}

.process-icon {
    width: 50px;
    height: 50px;
    background-color: rgba(15, 23, 42, 0.04);
    color: var(--primary);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 2rem;
}

.process-card:hover .process-icon {
    background-color: var(--accent-orange);
    color: var(--text-light);
}

.process-card h3 {
    font-size: 1.25rem;
    margin-bottom: 0.75rem;
}

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

/* Local SEO Coverage Section */
.coverage-box {
    max-width: 1200px;
    margin: 0 auto;
    background: radial-gradient(120% 120% at 50% 10%, #1e293b 40%, #0f172a 100%);
    border-radius: 24px;
    padding: 4rem;
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 4rem;
    align-items: center;
    color: var(--text-light);
    box-shadow: var(--shadow);
}

.coverage-info h3 {
    font-size: 2rem;
    color: var(--text-light);
    margin-bottom: 1.5rem;
}

.coverage-info p {
    color: var(--text-light-muted);
    margin-bottom: 2rem;
}

.coverage-list {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
}

.area-badge {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.08);
    padding: 1rem 1.5rem;
    border-radius: 12px;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    transition: var(--transition);
    text-decoration: none;
    cursor: pointer;
}

.area-badge:hover {
    background: rgba(249, 115, 22, 0.1);
    border-color: var(--accent-orange);
    transform: translateX(5px);
}

.area-badge h4 {
    font-size: 0.95rem;
    color: var(--text-light);
}

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

.area-badge svg {
    color: var(--accent-orange);
}

/* Frequently Asked Questions (FAQ) */
.faq {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    background-color: var(--text-light);
    border-radius: 12px;
    border: 1px solid rgba(15, 23, 42, 0.05);
    box-shadow: var(--shadow);
    margin-bottom: 1rem;
    overflow: hidden;
    transition: var(--transition);
}

.faq-header {
    padding: 1.5rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 1.05rem;
}

.faq-icon {
    width: 24px;
    height: 24px;
    background-color: rgba(15, 23, 42, 0.04);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.faq-item.active .faq-icon {
    transform: rotate(180deg);
    background-color: var(--accent-orange);
    color: var(--text-light);
}

.faq-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease-out;
    background-color: hsl(var(--primary-hue), 20%, 99%);
}

.faq-body {
    padding: 0 2rem 1.5rem 2rem;
    font-size: 0.95rem;
    color: var(--text-muted);
    border-top: 1px solid rgba(15, 23, 42, 0.02);
}

/* Lead Generation Form */
.contact-section {
    position: relative;
    overflow: hidden;
}

.contact-container {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.contact-info h2 {
    font-size: 2.75rem;
    line-height: 1.2;
    margin-bottom: 1.5rem;
}

.contact-info p {
    color: var(--text-muted);
    margin-bottom: 3rem;
}

.info-cards {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.info-card {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    background-color: var(--text-light);
    border-radius: 16px;
    padding: 1.5rem;
    border: 1px solid rgba(15, 23, 42, 0.04);
    box-shadow: var(--shadow);
}

.info-icon {
    width: 50px;
    height: 50px;
    background-color: rgba(249, 115, 22, 0.1);
    color: var(--accent-orange);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.info-text h4 {
    font-size: 1rem;
    font-weight: 700;
}

.info-text p {
    margin-bottom: 0;
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-muted);
}

.form-wrapper {
    background-color: var(--text-light);
    border-radius: 24px;
    padding: 3.5rem;
    border: 1px solid rgba(15, 23, 42, 0.04);
    box-shadow: 0 30px 60px rgba(0, 0, 0, 0.05);
}

.form-wrapper h3 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
}

.form-wrapper p {
    font-size: 0.9rem;
    color: var(--text-muted);
    margin-bottom: 2rem;
}

.form-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.25rem;
    margin-bottom: 1.5rem;
}

.form-group-full {
    grid-column: span 2;
}

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

.form-group label {
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 0.85rem;
    color: var(--text-dark);
}

.form-input {
    width: 100%;
    padding: 0.85rem 1rem;
    background-color: var(--bg-light);
    border: 1px solid rgba(15, 23, 42, 0.08);
    border-radius: 8px;
    font-family: var(--font-body);
    font-size: 0.95rem;
    color: var(--text-dark);
    outline: none;
    transition: var(--transition);
}

.form-input:focus {
    border-color: var(--accent-orange);
    background-color: var(--text-light);
    box-shadow: 0 0 0 3px rgba(249, 115, 22, 0.1);
}

textarea.form-input {
    resize: none;
    min-height: 120px;
}

.form-success {
    display: none;
    text-align: center;
    padding: 2rem 0;
    animation: fadeIn 0.5s ease-out;
}

.form-success-icon {
    width: 80px;
    height: 80px;
    background-color: rgba(34, 197, 94, 0.1);
    color: rgb(34, 197, 94);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem auto;
}

.form-success h3 {
    font-size: 1.75rem;
    color: var(--primary);
    margin-bottom: 0.5rem;
}

/* Footer Section */
.footer {
    background-color: var(--primary);
    color: var(--text-light-muted);
    padding: 6rem 2rem 2rem 2rem;
    border-top: 4px solid var(--accent-orange);
}

.footer h3, 
.footer h4 {
    color: var(--text-light);
}

.footer-grid {
    max-width: 1200px;
    margin: 0 auto 4rem auto;
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1.5fr;
    gap: 4rem;
}

.footer-brand h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

.footer-brand h3 span {
    color: var(--accent-orange);
}

.footer-brand p {
    font-size: 0.9rem;
    margin-bottom: 2rem;
    max-width: 320px;
}

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

.social-link {
    width: 38px;
    height: 38px;
    background-color: var(--primary-light);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-light);
    transition: var(--transition);
}

.social-link:hover {
    background-color: var(--accent-orange);
    transform: translateY(-3px);
}

.footer-col h4 {
    font-size: 1.1rem;
    margin-bottom: 1.5rem;
    position: relative;
    padding-bottom: 0.5rem;
}

.footer-col h4::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 30px;
    height: 2px;
    background-color: var(--accent-orange);
}

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

.footer-links a {
    font-size: 0.9rem;
    font-weight: 500;
}

.footer-links a:hover {
    color: var(--accent-orange);
    transform: translateX(5px);
}

.footer-seo p {
    font-size: 0.85rem;
    margin-bottom: 1rem;
    line-height: 1.6;
}

.footer-seo a {
    color: var(--text-light-muted);
    text-decoration: underline;
    transition: var(--transition);
}

.footer-seo a:hover {
    color: var(--accent-orange);
    text-decoration: none;
}

.footer-bottom {
    max-width: 1200px;
    margin: 0 auto;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    padding-top: 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.85rem;
    flex-wrap: wrap;
    gap: 1rem;
}

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInRight {
    from {
        opacity: 0;
        transform: translateX(40px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

/* Cost Guideline & Geotechnical Grid for Desktop */
.estimator-grid {
    grid-template-columns: 1fr 1fr;
}

/* Responsive Breakpoints & Premium Layout Enhancements */
@media (max-width: 1150px) {
    .nav-container {
        padding: 1rem 1.5rem;
    }
    .nav-menu {
        gap: 1rem;
    }
    .nav-link {
        font-size: 0.9rem;
    }
    .nav-cta {
        gap: 0.75rem;
    }
    /* Compress Phone CTA to Sleek Circular Icon on Tablets & Laptops */
    .btn-phone span {
        display: none;
    }
    .btn-phone {
        width: 42px;
        height: 42px;
        padding: 0;
        border-radius: 50%;
        display: inline-flex;
        align-items: center;
        justify-content: center;
    }
    .btn-phone svg {
        margin: 0;
    }
    .nav-cta .btn-primary {
        padding: 0.65rem 1.25rem;
        font-size: 0.9rem;
    }
    
    .hero-container {
        grid-template-columns: 1fr;
        gap: 3rem;
        text-align: center;
    }
    .hero-content {
        display: flex;
        flex-direction: column;
        align-items: center;
    }
    .hero-desc {
        margin-left: auto;
        margin-right: auto;
    }
    .hero-stats {
        justify-content: center;
    }
    .hero-actions {
        justify-content: center;
    }
    .estimator-grid {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
    .process-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .coverage-box {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
    .contact-container {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 3rem;
    }
}

@media (max-width: 1024px) {
    /* Maintain Persistent Sticky Header on Mobile */
    .header {
        position: fixed;
        background: rgba(15, 23, 42, 0.96);
        border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    }
    .header.scrolled {
        background: rgb(15, 23, 42);
    }
    .nav-container {
        padding: 0.75rem 1.25rem;
        display: flex;
        justify-content: space-between;
        align-items: center;
    }
    .logo h1 {
        font-size: 1.25rem;
        color: var(--text-light) !important;
    }
    
    /* Dynamic Mobile Menu Hamburger Toggle Styling */
    .mobile-menu-toggle {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        width: 42px;
        height: 42px;
        background: rgba(255, 255, 255, 0.05);
        border: 1px solid rgba(255, 255, 255, 0.15);
        border-radius: 50%;
        color: var(--text-light);
        cursor: pointer;
        transition: var(--transition);
        z-index: 1001;
        order: 3;
    }
    .mobile-menu-toggle:hover,
    .mobile-menu-toggle.active {
        color: var(--accent-orange);
        border-color: var(--accent-orange);
        background: rgba(249, 115, 22, 0.1);
    }
    
    /* Elegant Fullscreen Glassmorphic Menu Drawer */
    .nav-menu {
        position: fixed;
        top: 66px;
        left: 0;
        width: 100%;
        height: calc(100vh - 66px);
        background: rgba(15, 23, 42, 0.98);
        backdrop-filter: blur(20px);
        -webkit-backdrop-filter: blur(20px);
        flex-direction: column;
        justify-content: center;
        align-items: center;
        gap: 2.25rem;
        padding: 3rem 2rem;
        border-top: 1px solid rgba(255, 255, 255, 0.08);
        z-index: 999;
        
        /* Smooth Slide-down Transition */
        opacity: 0;
        visibility: hidden;
        transform: translateY(-20px);
        transition: all 0.35s cubic-bezier(0.16, 1, 0.3, 1);
        display: flex;
    }
    .nav-menu.active {
        opacity: 1;
        visibility: visible;
        transform: translateY(0);
    }
    .nav-menu .nav-link {
        font-size: 1.35rem;
        font-weight: 600;
        color: rgba(255, 255, 255, 0.8) !important;
        padding: 0.5rem 0;
        text-align: center;
        width: 100%;
    }
    .nav-menu .nav-link::after {
        background-color: var(--accent-orange);
        height: 3px;
    }
    .nav-menu .nav-link:hover,
    .nav-menu .nav-link.active {
        color: var(--accent-orange) !important;
    }
    
    /* Layout positioning */
    .nav-cta {
        order: 2;
        gap: 0.75rem;
    }
    .nav-cta .btn-phone {
        background: var(--accent-orange) !important;
        color: var(--text-light) !important;
        border: none;
    }
    
    .service-pane {
        grid-template-columns: 1fr;
    }
    .service-media {
        display: none;
    }
    .service-info {
        padding: 2.5rem;
    }
    
    /* Scale down hero titles to prevent visual overlapping */
    .hero-title {
        font-size: 2.25rem;
    }
    .section-header h2 {
        font-size: 2rem;
    }
    .section {
        padding: 5rem 1.5rem;
    }
}

@media (max-width: 480px) {
    .logo h1 span {
        display: inline;
    }
    /* Hide primary header button on phones to eliminate visual crowding */
    .nav-cta .btn-primary {
        display: none;
    }
    .nav-cta {
        gap: 0;
    }
    
    /* Stack hero call-to-actions vertically with full viewport width */
    .hero-title {
        font-size: 1.85rem;
        line-height: 1.25;
    }
    .hero-desc {
        font-size: 1rem;
    }
    .hero-actions {
        flex-direction: column;
        width: 100%;
        gap: 0.75rem;
    }
    .hero-actions .btn {
        width: 100%;
        padding: 0.85rem 1.5rem;
    }
    
    /* Stack hero stats vertically to prevent truncation */
    .hero-stats {
        flex-direction: column;
        gap: 1.5rem;
        align-items: center;
        padding-top: 1.5rem;
    }
    .stat-item {
        text-align: center;
    }
    .stat-item h4 {
        font-size: 1.75rem;
    }
    
    .process-grid {
        grid-template-columns: 1fr;
    }
    .form-grid {
        grid-template-columns: 1fr;
    }
    .form-group-full {
        grid-column: span 1;
    }
    .form-wrapper {
        padding: 2rem 1.5rem;
    }
    .selector-grid {
        grid-template-columns: 1fr;
    }
    .coverage-list {
        grid-template-columns: 1fr;
    }
    .footer-grid {
        grid-template-columns: 1fr;
    }
    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }
}

/* ==========================================================================
   Sub-Page Specific CSS (Multi-Page SEO Deep-Linking Enhancements)
   ========================================================================== */

/* Breadcrumbs Styling */
.breadcrumbs-container {
    max-width: 1200px;
    margin: 6.5rem auto 1.5rem auto;
    padding: 0 2rem;
}

.breadcrumbs {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-muted);
}

.breadcrumbs a {
    color: var(--text-muted);
    transition: var(--transition);
}

.breadcrumbs a:hover {
    color: var(--accent-orange);
}

.breadcrumbs span {
    color: var(--primary);
    font-weight: 600;
}

/* Service Detail Layouts */
.service-details-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem 7rem 2rem;
    display: grid;
    grid-template-columns: 1.3fr 0.7fr;
    gap: 4rem;
}

.service-main-content {
    display: flex;
    flex-direction: column;
    gap: 3rem;
}

.service-sidebar {
    display: flex;
    flex-direction: column;
    gap: 2.5rem;
    position: sticky;
    top: 6.5rem;
    height: fit-content;
}

/* Pricing Table Styling */
.pricing-card {
    background-color: var(--text-light);
    border-radius: 20px;
    border: 1px solid rgba(15, 23, 42, 0.04);
    box-shadow: var(--shadow);
    padding: 2.5rem;
}

.pricing-card h3 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
    border-bottom: 2px solid rgba(15, 23, 42, 0.04);
    padding-bottom: 0.75rem;
}

.pricing-table-wrapper {
    overflow-x: auto;
    margin-top: 1.5rem;
}

.pricing-table {
    width: 100%;
    border-collapse: collapse;
    text-align: left;
}

.pricing-table th, 
.pricing-table td {
    padding: 1rem;
    border-bottom: 1px solid rgba(15, 23, 42, 0.04);
    font-size: 0.95rem;
}

.pricing-table th {
    font-family: var(--font-heading);
    font-weight: 700;
    color: var(--primary);
    background-color: rgba(15, 23, 42, 0.02);
}

.pricing-table td strong {
    color: var(--accent-orange);
}

.pricing-disclaimer {
    margin-top: 1.25rem;
    font-size: 0.85rem;
    color: var(--text-muted);
    font-style: italic;
    line-height: 1.4;
}

/* Content Sections */
.detail-block {
    background-color: var(--text-light);
    border-radius: 24px;
    border: 1px solid rgba(15, 23, 42, 0.04);
    box-shadow: var(--shadow);
    padding: 3rem;
}

.detail-block h2 {
    font-size: 1.85rem;
    margin-bottom: 1.5rem;
    letter-spacing: -0.5px;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.detail-block h2 svg {
    color: var(--accent-orange);
}

.detail-block p {
    color: var(--text-muted);
    font-size: 1.05rem;
    line-height: 1.7;
    margin-bottom: 1.5rem;
}

.detail-grid-two {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    margin: 2rem 0;
}

.detail-card {
    background-color: rgba(15, 23, 42, 0.02);
    border: 1px solid rgba(15, 23, 42, 0.03);
    border-radius: 16px;
    padding: 2rem;
    transition: var(--transition);
}

.detail-card:hover {
    background-color: rgba(249, 115, 22, 0.02);
    border-color: rgba(249, 115, 22, 0.1);
    transform: translateY(-4px);
}

.detail-card h4 {
    font-size: 1.15rem;
    margin-bottom: 0.75rem;
    color: var(--primary);
}

.detail-card p {
    font-size: 0.95rem;
    margin-bottom: 0;
    line-height: 1.6;
}

/* FAQ Accordions for Subpages */
.subpage-faqs {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin-top: 1.5rem;
}

/* Sidebar Call to Action */
.sidebar-cta {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
    color: var(--text-light);
    border-radius: 20px;
    padding: 2.5rem;
    box-shadow: var(--shadow);
    border: 1px solid rgba(255, 255, 255, 0.05);
    text-align: center;
}

.sidebar-cta h3 {
    color: var(--text-light);
    font-size: 1.6rem;
    margin-bottom: 1rem;
    line-height: 1.3;
}

.sidebar-cta p {
    color: var(--text-light-muted);
    font-size: 0.95rem;
    margin-bottom: 2rem;
    line-height: 1.5;
}

.sidebar-cta .btn {
    width: 100%;
}

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

.sidebar-cta .btn-outline-white:hover {
    background-color: var(--text-light);
    color: var(--primary);
    transform: translateY(-2px);
}

/* Sub-page Specific Media Queries */
@media (max-width: 1024px) {
    .service-details-container {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
    .service-sidebar {
        position: static;
    }
}

@media (max-width: 768px) {
    .breadcrumbs-container {
        margin-top: 5.5rem;
        padding: 0 1.5rem;
    }
    .service-details-container {
        padding: 0 1.5rem 5rem 1.5rem;
    }
    .detail-block {
        padding: 2rem;
    }
    .detail-grid-two {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
}

/* Additional Responsive Adjustments for Portfolio & Wizard Step Controls */
@media (max-width: 1024px) {
    .portfolio-modal-content {
        max-width: 750px;
        padding: 2rem;
    }
    .portfolio-modal-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    .portfolio-modal-media img {
        height: 250px;
    }
    .wizard-progress-container {
        margin-bottom: 2.5rem;
    }
}

@media (max-width: 768px) {
    .portfolio-card {
        height: 250px;
    }
    .portfolio-hover-overlay {
        opacity: 1;
        visibility: visible;
        background: linear-gradient(to top, rgba(15, 23, 42, 0.95) 0%, rgba(15, 23, 42, 0.5) 100%);
        padding: 1.5rem;
    }
    .portfolio-hover-content {
        transform: translateY(0);
    }
    .portfolio-modal-content {
        padding: 1.5rem;
        width: 95%;
        border-radius: 16px;
    }
    .portfolio-modal-media img {
        height: 180px;
    }
    .portfolio-modal-close {
        top: 1rem;
        right: 1rem;
    }
    .estimator {
        padding: 1.5rem !important;
    }
    .node-circle {
        width: 32px !important;
        height: 32px !important;
        font-size: 0.85rem !important;
    }
    .progress-step-node span {
        font-size: 0.7rem !important;
    }
}

/* Responsive Wizard Grid selectors */
.wizard-grid-main {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 2rem;
    margin-bottom: 2rem;
}

.wizard-grid-floors {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 0.75rem;
}

.wizard-grid-materials {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.wizard-grid-finishes {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.wizard-grid-receipt {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 2rem;
}

.modal-details-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
}

.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 2rem;
}

@media (max-width: 991px) {
    .wizard-grid-main {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    .wizard-grid-materials {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    .wizard-grid-receipt {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
}

@media (max-width: 768px) {
    .wizard-grid-floors {
        grid-template-columns: repeat(2, 1fr);
        gap: 0.5rem;
    }
    .wizard-grid-finishes {
        grid-template-columns: 1fr;
        gap: 0.75rem;
    }
    .modal-details-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
}

@media (max-width: 480px) {
    .portfolio-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    .wizard-grid-floors {
        grid-template-columns: 1fr;
        gap: 0.5rem;
    }
    .estimator {
        padding: 1rem !important;
        border-radius: 16px !important;
    }
    .wizard-progress-container {
        padding: 0;
    }
    .progress-step-node span {
        display: none;
    }
}