/* ----------------------------------------------------
   El Basha Technical Services - CSS Stylesheet
   Design System, Responsive Layout & Micro-animations
   ---------------------------------------------------- */

/* --- Design Tokens & Variables --- */
:root {
    /* Fonts */
    --font-heading: 'Cairo', 'Tajawal', 'Segoe UI', Tahoma, Arial, sans-serif;
    --font-body: 'Tajawal', 'Cairo', 'Segoe UI', Tahoma, Arial, sans-serif;
    
    /* Layout Constants */
    --header-height: 80px;
    --border-radius-sm: 8px;
    --border-radius-md: 16px;
    --border-radius-lg: 24px;
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;

    /* Theme-specific tokens (Default: Light Mode) */
    --bg-primary: #ffffff;
    --bg-secondary: #f8fafc;
    --bg-wash: #f1f5f9;
    --card-bg: #ffffff;
    --text-primary: #0f172a;
    --text-secondary: #475569;
    --border-color: #e2e8f0;
    
    --accent: #0d9488; /* Premium Teal */
    --accent-hover: #0f766e;
    --accent-rgb: 13, 148, 136;
    --accent-gradient: linear-gradient(135deg, #0d9488, #2563eb);
    
    --cta-color: #d97706; /* Warm Amber */
    --cta-hover: #b45309;
    
    --success: #16a34a;
    --success-hover: #15803d;
    
    --shadow-sm: 0 4px 6px -1px rgba(15, 23, 42, 0.05), 0 2px 4px -2px rgba(15, 23, 42, 0.05);
    --shadow-md: 0 10px 15px -3px rgba(15, 23, 42, 0.08), 0 4px 6px -4px rgba(15, 23, 42, 0.08);
    --shadow-lg: 0 20px 25px -5px rgba(15, 23, 42, 0.12), 0 8px 10px -6px rgba(15, 23, 42, 0.12);
    
    --glass-bg: rgba(255, 255, 255, 0.85);
    --glass-border: rgba(255, 255, 255, 0.4);
    --glass-shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.06);
}

/* Dark Mode Tokens */
body.dark-mode {
    --bg-primary: #0b0f19;
    --bg-secondary: #111827;
    --bg-wash: #1f2937;
    --card-bg: #1f2937;
    --text-primary: #f9fafb;
    --text-secondary: #9ca3af;
    --border-color: #374151;
    
    --accent: #2dd4bf;
    --accent-hover: #14b8a6;
    --accent-rgb: 45, 212, 191;
    --accent-gradient: linear-gradient(135deg, #2dd4bf, #3b82f6);
    
    --cta-color: #f59e0b;
    --cta-hover: #d97706;
    
    --shadow-sm: 0 4px 6px -1px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 10px 15px -3px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, 0.5);
    
    --glass-bg: rgba(17, 24, 39, 0.85);
    --glass-border: rgba(255, 255, 255, 0.05);
    --glass-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.4);
}

/* --- Base & Reset Rules --- */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

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

body {
    font-family: var(--font-body);
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.7;
    overflow-x: hidden;
    transition: background-color var(--transition-normal), color var(--transition-normal);
}

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

ul {
    list-style: none;
}

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

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 10px;
}
::-webkit-scrollbar-track {
    background: var(--bg-secondary);
}
::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: var(--border-radius-sm);
    border: 2px solid var(--bg-secondary);
}
::-webkit-scrollbar-thumb:hover {
    background: var(--accent);
}

/* --- Common Layout Classes --- */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

.section-padding {
    padding: 100px 0;
}

.wash-bg {
    background-color: var(--bg-secondary);
}

/* Title Styling */
.section-title-wrapper {
    margin-bottom: 60px;
}

.sub-title {
    display: inline-block;
    font-weight: 700;
    font-size: 0.95rem;
    color: var(--accent);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 12px;
    background-color: rgba(var(--accent-rgb), 0.1);
    padding: 6px 16px;
    border-radius: 50px;
}

.section-title-wrapper h2 {
    font-family: var(--font-heading);
    font-weight: 800;
    font-size: 2.25rem;
    color: var(--text-primary);
    line-height: 1.3;
}

.section-lead {
    font-size: 1.15rem;
    color: var(--text-secondary);
    max-width: 700px;
    margin: 16px auto 0;
}

.title-bar {
    width: 80px;
    height: 4px;
    background: var(--accent-gradient);
    margin: 20px auto 0;
    border-radius: 2px;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 1rem;
    padding: 12px 28px;
    border-radius: var(--border-radius-sm);
    border: 2px solid transparent;
    cursor: pointer;
    transition: all var(--transition-normal);
}

.btn-lg {
    padding: 16px 36px;
    font-size: 1.1rem;
    border-radius: var(--border-radius-md);
}

.btn-primary {
    background: var(--accent-gradient);
    color: #ffffff;
    box-shadow: 0 4px 14px rgba(13, 148, 136, 0.3);
}
.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(13, 148, 136, 0.4);
}

.btn-whatsapp {
    background-color: var(--success);
    color: #ffffff;
    border: none;
    box-shadow: 0 4px 14px rgba(22, 163, 74, 0.3);
}
.btn-whatsapp:hover {
    background-color: var(--success-hover);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(22, 163, 74, 0.4);
}

.btn-outline {
    background-color: transparent;
    border-color: rgba(255, 255, 255, 0.3);
    color: #ffffff;
}
.btn-outline:hover {
    background-color: #ffffff;
    color: var(--text-primary);
    border-color: #ffffff;
    transform: translateY(-2px);
}

.w-100 {
    width: 100%;
}

/* Gradient Text */
.gradient-text {
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* Preloader */
#preloader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background-color: var(--bg-primary);
    z-index: 9999;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: opacity var(--transition-normal), visibility var(--transition-normal);
}

#preloader.fade-out {
    opacity: 0;
    visibility: hidden;
}

.spinner {
    width: 50px;
    height: 50px;
    border: 5px solid var(--border-color);
    border-top: 5px solid var(--accent);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

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

.main-header.scroll-down {
    transform: translateY(-100%);
}

.main-header.scroll-up {
    transform: translateY(0);
    box-shadow: var(--shadow-md);
}

.header-container {
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

/* Logo Area */
.logo {
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo-icon {
    font-size: 1.5rem;
    color: #ffffff;
    background: var(--accent-gradient);
    width: 42px;
    height: 42px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--border-radius-sm);
    box-shadow: 0 4px 10px rgba(13, 148, 136, 0.2);
}

.logo-text {
    font-family: var(--font-heading);
    font-weight: 800;
    font-size: 1.4rem;
    color: var(--text-primary);
}

.accent-text {
    font-weight: 400;
    font-size: 1.05rem;
    color: var(--accent);
    display: block;
    line-height: 1;
    margin-top: 2px;
}

/* Navigation Links */
.nav-menu ul {
    display: flex;
    gap: 30px;
}

.nav-menu a {
    font-weight: 600;
    font-size: 1rem;
    color: var(--text-secondary);
    padding: 8px 4px;
    position: relative;
}

.nav-menu a:hover,
.nav-menu a.active {
    color: var(--accent);
}

.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: 0;
    right: 0;
    width: 0;
    height: 2px;
    background: var(--accent-gradient);
    transition: width var(--transition-normal);
}

.nav-menu a:hover::after,
.nav-menu a.active::after {
    width: 100%;
    left: 0;
}

/* Header Actions */
.header-actions {
    display: flex;
    align-items: center;
    gap: 16px;
}

.theme-toggle-btn {
    background: transparent;
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    width: 42px;
    height: 42px;
    border-radius: var(--border-radius-sm);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    transition: all var(--transition-normal);
}

.theme-toggle-btn:hover {
    background-color: var(--bg-secondary);
    color: var(--accent);
    border-color: var(--accent);
}

.mobile-menu-btn {
    display: none;
}

/* --- Hero Section --- */
.hero-section {
    position: relative;
    padding-top: calc(var(--header-height) + 60px);
    padding-bottom: 120px;
    background-color: #0f172a;
    background-image: linear-gradient(to left, rgba(15, 23, 42, 0.35) 0%, rgba(15, 23, 42, 0.78) 45%, rgba(15, 23, 42, 0.92) 100%), url('assets/hero_bg.webp');
    background-size: cover;
    background-position: center right;
    background-repeat: no-repeat;
    color: #ffffff;
    min-height: 90vh;
    display: flex;
    align-items: center;
}

.hero-container {
    position: relative;
    z-index: 2;
    display: flex;
    justify-content: flex-end;
}

.hero-content {
    max-width: 720px;
    text-align: right;
}

.hero-content .badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background-color: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(8px);
    border: 1px solid rgba(255, 255, 255, 0.15);
    padding: 8px 18px;
    border-radius: 50px;
    font-size: 0.95rem;
    font-weight: 600;
    margin-bottom: 24px;
}

.hero-content h1 {
    font-family: var(--font-heading);
    font-weight: 800;
    font-size: 3.5rem;
    line-height: 1.2;
    margin-bottom: 24px;
}

.hero-desc {
    font-size: 1.25rem;
    opacity: 0.9;
    margin-bottom: 40px;
    max-width: 620px;
    line-height: 1.8;
}

.hero-ctas {
    display: flex;
    gap: 20px;
    margin-bottom: 60px;
}

.hero-stats {
    display: flex;
    gap: 48px;
    border-top: 1px solid rgba(255, 255, 255, 0.15);
    padding-top: 32px;
}

.stat-item {
    display: flex;
    flex-direction: column;
}

.stat-number {
    font-family: var(--font-heading);
    font-weight: 800;
    font-size: 2.25rem;
    color: var(--accent);
    line-height: 1;
}

.stat-label {
    font-size: 0.95rem;
    opacity: 0.85;
    margin-top: 8px;
}

/* Wave Divider */
.hero-wave {
    position: absolute;
    bottom: -1px;
    left: 0;
    width: 100%;
    overflow: hidden;
    line-height: 0;
}

.hero-wave svg {
    position: relative;
    display: block;
    width: calc(100% + 1.3px);
    height: 60px;
}

.hero-wave .shape-fill {
    fill: var(--bg-primary);
}

/* --- Features Grid --- */
.features-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
}

.feature-card {
    background-color: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-md);
    padding: 40px 30px;
    transition: all var(--transition-normal);
    box-shadow: var(--shadow-sm);
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 100%;
    height: 4px;
    background: var(--accent-gradient);
    transform: scaleX(0);
    transform-origin: right;
    transition: transform var(--transition-normal);
}

.feature-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
    border-color: transparent;
}

.feature-card:hover::before {
    transform: scaleX(1);
}

.feature-icon {
    font-size: 2.5rem;
    color: var(--accent);
    margin-bottom: 24px;
    background: linear-gradient(135deg, rgba(var(--accent-rgb), 0.1), rgba(37, 99, 235, 0.05));
    width: 70px;
    height: 70px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--border-radius-sm);
}

.feature-card h3 {
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 1.25rem;
    margin-bottom: 12px;
}

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

/* --- Services Grid --- */
.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

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

.service-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
    border-color: rgba(var(--accent-rgb), 0.2);
}

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

picture {
    display: block;
    width: 100%;
    height: 100%;
}

picture img {
    display: block;
}

.service-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

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

.service-badge {
    position: absolute;
    top: 16px;
    right: 16px;
    background: var(--accent-gradient);
    color: #ffffff;
    font-weight: 700;
    font-size: 0.85rem;
    padding: 6px 14px;
    border-radius: 50px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.15);
}

.service-content {
    padding: 30px;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
}

.service-content h3, 
.service-content-only h3 {
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 1.35rem;
    margin-bottom: 12px;
}

.service-content p, 
.service-content-only p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    margin-bottom: 24px;
    flex-grow: 1;
}

.service-link {
    font-weight: 700;
    font-size: 0.95rem;
    color: var(--accent);
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.service-link i {
    transition: transform var(--transition-fast);
}

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

/* Service Card Content Only (Plumbing, Electrical, Flooring) */
.service-content-only {
    padding: 40px 30px;
    display: flex;
    flex-direction: column;
    height: 100%;
    flex-grow: 1;
}

.service-icon-box {
    width: 60px;
    height: 60px;
    border-radius: var(--border-radius-sm);
    background: rgba(var(--accent-rgb), 0.1);
    color: var(--accent);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.75rem;
    margin-bottom: 24px;
}

/* --- Estimator & Booking Section --- */
.estimator-wrapper {
    display: grid;
    grid-template-columns: 1.4fr 1fr;
    gap: 40px;
    align-items: start;
}

.estimator-calculator {
    background-color: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-md);
    padding: 40px;
    box-shadow: var(--shadow-sm);
}

.estimator-calculator h3 {
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 1.5rem;
    margin-bottom: 24px;
    border-bottom: 2px solid var(--bg-wash);
    padding-bottom: 12px;
}

.estimator-grid {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.estimator-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-sm);
    transition: all var(--transition-fast);
}

.estimator-item.selected {
    border-color: var(--accent);
    background-color: rgba(var(--accent-rgb), 0.03);
}

.estimator-info {
    display: flex;
    align-items: center;
    gap: 16px;
}

.item-icon {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background-color: var(--bg-wash);
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    transition: all var(--transition-fast);
}

.estimator-item.selected .item-icon {
    background-color: var(--accent);
    color: #ffffff;
}

.item-text h4 {
    font-weight: 700;
    font-size: 1.05rem;
}

.item-text p {
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-top: 2px;
}

.estimator-controls {
    display: flex;
    align-items: center;
    gap: 12px;
    background-color: var(--bg-wash);
    padding: 4px;
    border-radius: 30px;
    border: 1px solid var(--border-color);
}

.qty-btn {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background-color: var(--card-bg);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.85rem;
    transition: all var(--transition-fast);
}

.qty-btn:hover {
    background-color: var(--accent);
    color: #ffffff;
    border-color: var(--accent);
}

.qty-input {
    width: 40px;
    background: transparent;
    border: none;
    text-align: center;
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 1rem;
    color: var(--text-primary);
}

/* Custom Checkbox CSS */
.estimator-controls-checkbox {
    display: flex;
    align-items: center;
}

.checkbox-container {
    display: flex;
    align-items: center;
    gap: 12px;
    cursor: pointer;
    font-weight: 600;
    position: relative;
    user-select: none;
}

.checkbox-container input {
    position: absolute;
    opacity: 0;
    cursor: pointer;
    height: 0;
    width: 0;
}

.checkmark {
    position: relative;
    height: 24px;
    width: 24px;
    background-color: var(--bg-wash);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    transition: all var(--transition-fast);
}

.checkbox-container:hover input ~ .checkmark {
    border-color: var(--accent);
}

.checkbox-container input:checked ~ .checkmark {
    background-color: var(--accent);
    border-color: var(--accent);
}

.checkmark:after {
    content: "";
    position: absolute;
    display: none;
}

.checkbox-container input:checked ~ .checkmark:after {
    display: block;
}

.checkbox-container .checkmark:after {
    left: 8px;
    top: 4px;
    width: 5px;
    height: 10px;
    border: solid white;
    border-width: 0 2px 2px 0;
    transform: rotate(45deg);
}

/* Summary Card */
.estimator-summary {
    position: sticky;
    top: calc(var(--header-height) + 20px);
}

.summary-card {
    background-color: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-md);
    padding: 35px;
    box-shadow: var(--shadow-md);
}

.summary-card h3 {
    font-family: var(--font-heading);
    font-weight: 800;
    font-size: 1.4rem;
    margin-bottom: 20px;
}

.summary-details {
    margin-bottom: 24px;
    min-height: 60px;
}

.empty-summary-msg {
    color: var(--text-secondary);
    font-size: 0.95rem;
    font-style: italic;
    text-align: center;
    padding: 20px 0;
}

.summary-row {
    display: flex;
    justify-content: space-between;
    font-size: 0.95rem;
    margin-bottom: 12px;
    color: var(--text-secondary);
}

.summary-row .label {
    font-weight: 500;
}

.summary-row .val {
    font-weight: 700;
    color: var(--text-primary);
}

.summary-divider {
    height: 1px;
    background-color: var(--border-color);
    margin: 20px 0;
}

.summary-total {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 8px;
}

.summary-total span:first-child {
    font-weight: 700;
    font-size: 1.05rem;
}

.total-price {
    font-family: var(--font-heading);
    font-weight: 800;
    font-size: 1.75rem;
    color: var(--accent);
}

.disclaimer {
    font-size: 0.8rem;
    color: var(--text-secondary);
    margin-bottom: 24px;
    line-height: 1.4;
}

/* Booking Mini Form */
.booking-form-mini {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.input-group-mini {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.input-group-mini label {
    font-weight: 600;
    font-size: 0.9rem;
}

.input-group-mini input {
    background-color: var(--bg-wash);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    padding: 10px 16px;
    border-radius: var(--border-radius-sm);
    font-family: var(--font-body);
    font-size: 0.95rem;
    outline: none;
    transition: border-color var(--transition-fast);
}

.input-group-mini input:focus {
    border-color: var(--accent);
}

/* --- Gallery Section --- */
.gallery-filters {
    display: flex;
    justify-content: center;
    gap: 16px;
    margin-bottom: 48px;
    flex-wrap: wrap;
}

.filter-btn {
    background-color: var(--card-bg);
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 0.95rem;
    padding: 8px 24px;
    border-radius: 50px;
    cursor: pointer;
    transition: all var(--transition-normal);
}

.filter-btn:hover,
.filter-btn.active {
    background: var(--accent-gradient);
    color: #ffffff;
    border-color: transparent;
    box-shadow: 0 4px 10px rgba(13, 148, 136, 0.2);
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.gallery-item {
    border-radius: var(--border-radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    height: 280px;
    transition: all var(--transition-normal);
}

.gallery-img-box {
    position: relative;
    width: 100%;
    height: 100%;
    cursor: pointer;
}

.gallery-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.gallery-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to top, rgba(15, 23, 42, 0.95), rgba(15, 23, 42, 0.4));
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    padding: 24px;
    opacity: 0;
    transition: opacity var(--transition-normal);
}

.gallery-overlay h4 {
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 1.1rem;
    color: #ffffff;
    margin-bottom: 6px;
    transform: translateY(10px);
    transition: transform var(--transition-normal);
}

.gallery-overlay p {
    font-size: 0.85rem;
    color: var(--accent);
    transform: translateY(10px);
    transition: transform var(--transition-normal) 0.05s;
}

.gallery-item:hover {
    transform: scale(1.02);
    box-shadow: var(--shadow-lg);
}

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

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

.gallery-item:hover .gallery-overlay h4,
.gallery-item:hover .gallery-overlay p {
    transform: translateY(0);
}

/* --- Testimonials Section --- */
.testimonials-slider-container {
    max-width: 900px;
    margin: 0 auto;
    overflow: hidden;
    position: relative;
    padding: 20px;
}

.testimonials-track {
    display: flex;
    transition: transform var(--transition-slow);
}

.testimonial-slide {
    min-width: 100%;
    padding: 0 10px;
}

.testimonial-content {
    background-color: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-lg);
    padding: 48px;
    box-shadow: var(--shadow-md);
    position: relative;
}

.testimonial-content::after {
    content: "\f10d";
    font-family: "Font Awesome 6 Free";
    font-weight: 900;
    position: absolute;
    top: 40px;
    left: 48px;
    font-size: 4rem;
    color: rgba(var(--accent-rgb), 0.05);
    line-height: 1;
}

.stars {
    color: #f59e0b;
    font-size: 1.1rem;
    margin-bottom: 24px;
}

.testimonial-content p {
    font-size: 1.15rem;
    line-height: 1.8;
    color: var(--text-primary);
    font-style: italic;
    margin-bottom: 30px;
}

.client-info {
    display: flex;
    align-items: center;
    gap: 16px;
}

.client-avatar {
    width: 52px;
    height: 52px;
    border-radius: 50%;
    background-color: rgba(var(--accent-rgb), 0.1);
    color: var(--accent);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.4rem;
    border: 2px solid var(--border-color);
}

.client-details h4 {
    font-weight: 700;
    font-size: 1.05rem;
}

.client-details p {
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-bottom: 0;
    font-style: normal;
}

.slider-dots {
    display: flex;
    justify-content: center;
    gap: 10px;
    margin-top: 32px;
}

.dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background-color: var(--border-color);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.dot.active {
    background-color: var(--accent);
    width: 28px;
    border-radius: 10px;
}

/* --- Contact & Map Section --- */
.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 48px;
}

.contact-info-column {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.contact-info-card {
    background-color: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-md);
    padding: 30px;
    display: flex;
    gap: 20px;
    box-shadow: var(--shadow-sm);
}

.contact-info-card .icon {
    width: 56px;
    height: 56px;
    border-radius: var(--border-radius-sm);
    background: rgba(var(--accent-rgb), 0.1);
    color: var(--accent);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    flex-shrink: 0;
}

.contact-info-card h3 {
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 1.15rem;
    margin-bottom: 6px;
}

.contact-link {
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 1.1rem;
    direction: ltr;
    display: inline-block;
}

.contact-link:hover {
    color: var(--accent);
}

.hint {
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-top: 4px;
}

/* Contact Form */
.message-card {
    background-color: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-md);
    padding: 40px;
    box-shadow: var(--shadow-md);
    margin-bottom: 24px;
}

.message-card h3 {
    font-family: var(--font-heading);
    font-weight: 800;
    font-size: 1.35rem;
    margin-bottom: 24px;
}

.quick-contact-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.input-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.input-group label {
    font-weight: 600;
    font-size: 0.95rem;
}

.input-group input,
.input-group select,
.input-group textarea {
    background-color: var(--bg-wash);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    padding: 12px 18px;
    border-radius: var(--border-radius-sm);
    font-family: var(--font-body);
    font-size: 0.95rem;
    outline: none;
    transition: all var(--transition-fast);
}

.input-group input:focus,
.input-group select:focus,
.input-group textarea:focus {
    border-color: var(--accent);
    background-color: var(--card-bg);
}

.input-group select {
    appearance: none;
    -webkit-appearance: none;
    background-image: url("data:image/svg+xml;charset=UTF-8,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23475569' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: left 18px center;
    background-size: 16px;
    padding-left: 48px;
}

/* Styled Map Placeholder */
.map-placeholder {
    height: 250px;
    border-radius: var(--border-radius-md);
    background-color: #cbd5e1;
    background-image: linear-gradient(rgba(15, 23, 42, 0.6), rgba(15, 23, 42, 0.7)), url('assets/hero_bg.webp');
    background-size: cover;
    background-position: center;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
    border: 1px solid var(--border-color);
}

/* Real-looking styling for Map Placeholder */
.map-placeholder::before {
    content: '';
    position: absolute;
    width: 200%;
    height: 200%;
    background-image: radial-gradient(#64748b 1px, transparent 1px);
    background-size: 20px 20px;
    opacity: 0.15;
}

.map-overlay {
    text-align: center;
    color: #ffffff;
    z-index: 2;
    padding: 24px;
}

.map-overlay i {
    font-size: 2.75rem;
    color: var(--accent);
    margin-bottom: 16px;
    animation: bounce 2s infinite;
}

.map-overlay h4 {
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 1.15rem;
    margin-bottom: 8px;
}

.map-overlay p {
    font-size: 0.9rem;
    opacity: 0.8;
}

@keyframes bounce {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-8px); }
}

/* --- Footer --- */
.main-footer {
    background-color: #0b0f19;
    color: #94a3b8;
    padding-top: 80px;
    border-top: 1px solid #1e293b;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr;
    gap: 60px;
    padding-bottom: 60px;
}

.footer-about h3,
.footer-links h3,
.footer-services h3 {
    font-family: var(--font-heading);
    font-weight: 800;
    font-size: 1.25rem;
    color: #ffffff;
    margin-bottom: 24px;
    position: relative;
    padding-bottom: 12px;
}

.footer-about h3::after,
.footer-links h3::after,
.footer-services h3::after {
    content: '';
    position: absolute;
    bottom: 0;
    right: 0;
    width: 40px;
    height: 3px;
    background: var(--accent);
    border-radius: 2px;
}

.footer-about p {
    font-size: 0.95rem;
    line-height: 1.8;
    margin-bottom: 24px;
}

.social-links {
    display: flex;
    gap: 12px;
}

.social-links a {
    width: 40px;
    height: 40px;
    background-color: #1e293b;
    color: #ffffff;
    border-radius: var(--border-radius-sm);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-fast);
}

.social-links a:hover {
    background: var(--accent-gradient);
    transform: translateY(-3px);
}

.footer-links ul,
.footer-services ul {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.footer-links a,
.footer-services a {
    font-size: 0.95rem;
    transition: all var(--transition-fast);
}

.footer-links a:hover,
.footer-services a:hover {
    color: #ffffff;
    padding-right: 6px;
}

.footer-bottom {
    background-color: #070a10;
    padding: 24px 0;
    text-align: center;
    font-size: 0.9rem;
    border-top: 1px solid #111827;
}

/* --- Floating Sticky Actions --- */
.floating-actions {
    position: fixed;
    bottom: max(24px, env(safe-area-inset-bottom, 24px));
    inset-inline-end: max(16px, env(safe-area-inset-right, 16px));
    z-index: 999;
    pointer-events: none;
}

.floating-actions-stack {
    display: flex;
    flex-direction: row;
    align-items: center;
    gap: 12px;
    pointer-events: auto;
}

.floating-btn {
    pointer-events: auto;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #ffffff;
    font-size: 1.6rem;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
    position: relative;
    cursor: pointer;
    transition: all var(--transition-normal);
}

.call-float {
    background-color: var(--cta-color);
    animation: pulse-orange 2s infinite;
}

.call-float:hover {
    background-color: var(--cta-hover);
    transform: scale(1.1);
}

.whatsapp-float {
    background-color: var(--success);
    animation: pulse-green 2s infinite;
}

.whatsapp-float:hover {
    background-color: var(--success-hover);
    transform: scale(1.1);
}

/* Tooltip text */
.tooltip-text {
    position: absolute;
    background-color: #0f172a;
    color: #ffffff;
    padding: 6px 14px;
    border-radius: 30px;
    font-size: 0.85rem;
    font-weight: 700;
    white-space: nowrap;
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--transition-fast), visibility var(--transition-fast);
}

.call-float .tooltip-text {
    inset-inline-end: 74px;
    top: 50%;
    transform: translateY(-50%);
}

.whatsapp-float .tooltip-text {
    inset-inline-end: 74px;
    top: 50%;
    transform: translateY(-50%);
}

.floating-btn:hover .tooltip-text {
    opacity: 1;
    visibility: visible;
}

/* WhatsApp Widget Box */
.whatsapp-widget-wrapper {
    position: relative;
    pointer-events: auto;
}

.whatsapp-chat-box {
    position: absolute;
    bottom: calc(100% + 14px);
    inset-inline-end: 0;
    width: 320px;
    max-width: calc(100vw - 32px);
    background-color: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-md);
    box-shadow: var(--shadow-lg);
    display: none;
    flex-direction: column;
    overflow: hidden;
    animation: fadeUp 0.3s ease;
    z-index: 1000;
}

.whatsapp-chat-box.show {
    display: flex;
}

.chat-header {
    background: var(--accent-gradient);
    color: #ffffff;
    padding: 16px 20px;
    display: flex;
    align-items: center;
    gap: 12px;
    position: relative;
}

.chat-logo {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background-color: rgba(255, 255, 255, 0.2);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
}

.chat-title h4 {
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 0.95rem;
    line-height: 1.2;
}

.chat-title span {
    font-size: 0.75rem;
    opacity: 0.9;
}

.chat-close {
    position: absolute;
    top: 16px;
    left: 16px;
    background: transparent;
    border: none;
    color: #ffffff;
    font-size: 1.2rem;
    cursor: pointer;
}

.chat-body {
    padding: 20px;
    background-color: var(--bg-secondary);
    min-height: 100px;
}

.chat-bubble {
    background-color: var(--card-bg);
    padding: 12px 16px;
    border-radius: 12px;
    border-top-right-radius: 0;
    font-size: 0.9rem;
    line-height: 1.5;
    box-shadow: var(--shadow-sm);
}

.chat-footer {
    padding: 16px 20px;
    background-color: var(--card-bg);
}

.chat-send-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    background-color: var(--success);
    color: #ffffff;
    padding: 10px;
    border-radius: var(--border-radius-sm);
    font-weight: 700;
    font-size: 0.95rem;
}
.chat-send-btn:hover {
    background-color: var(--success-hover);
}

@keyframes fadeUp {
    from {
        opacity: 0;
        transform: translateY(15px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Pulse Animations */
@keyframes pulse-orange {
    0% { box-shadow: 0 0 0 0 rgba(217, 119, 6, 0.4); }
    70% { box-shadow: 0 0 0 15px rgba(217, 119, 6, 0); }
    100% { box-shadow: 0 0 0 0 rgba(217, 119, 6, 0); }
}

@keyframes pulse-green {
    0% { box-shadow: 0 0 0 0 rgba(22, 163, 74, 0.4); }
    70% { box-shadow: 0 0 0 15px rgba(22, 163, 74, 0); }
    100% { box-shadow: 0 0 0 0 rgba(22, 163, 74, 0); }
}

/* --- Media Queries / Responsiveness --- */

/* Extra Large Screens */
@media (min-width: 1400px) {
    .container {
        max-width: 1320px;
    }
}

/* Notebooks / Large Tablets (1200px) */
@media (max-width: 1200px) {
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 24px;
    }
    
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 24px;
    }

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

/* Small Tablets / Landscape Phones (991px) */
@media (max-width: 991px) {
    html {
        font-size: 15px;
    }

    .section-padding {
        padding: 80px 0;
    }

    .nav-menu {
        position: fixed;
        top: var(--header-height);
        right: -100%;
        width: 280px;
        height: calc(100vh - var(--header-height));
        background-color: var(--card-bg);
        border-left: 1px solid var(--border-color);
        padding: 40px;
        box-shadow: var(--shadow-lg);
        transition: right var(--transition-normal);
        overflow-y: auto;
    }

    .nav-menu.show {
        right: 0;
    }

    .nav-menu ul {
        flex-direction: column;
        gap: 24px;
    }

    .nav-menu a {
        display: block;
        font-size: 1.15rem;
    }

    .mobile-menu-btn {
        display: flex;
        flex-direction: column;
        justify-content: space-between;
        width: 24px;
        height: 18px;
        background: transparent;
        border: none;
        cursor: pointer;
        z-index: 1001;
    }

    .mobile-menu-btn span {
        width: 100%;
        height: 2px;
        background-color: var(--text-primary);
        transition: all var(--transition-fast);
    }

    .mobile-menu-btn.active span:first-child {
        transform: rotate(-45deg) translate(-5px, 6px);
    }

    .mobile-menu-btn.active span:nth-child(2) {
        opacity: 0;
    }

    .mobile-menu-btn.active span:last-child {
        transform: rotate(45deg) translate(-5px, -6px);
    }

    .hero-content h1 {
        font-size: 2.75rem;
    }

    .estimator-wrapper {
        grid-template-columns: 1fr;
    }
    
    .contact-wrapper {
        grid-template-columns: 1fr;
        gap: 32px;
    }

    .footer-grid {
        grid-template-columns: 1.2fr 1fr;
        gap: 40px;
    }
}

/* Portrait Phones (768px) */
@media (max-width: 768px) {
    .nav-cta {
        display: none; /* Hide telephone CTA on header for small screens, call button is floating anyway */
    }

    .hero-section {
        flex-direction: column;
        align-items: stretch;
        min-height: auto;
        padding-top: calc(var(--header-height) + 16px);
        padding-bottom: 0;
        background-image: none;
        background-color: #0f172a;
    }

    .hero-section::after {
        content: '';
        order: 2;
        display: block;
        width: calc(100% - 32px);
        height: 165px;
        margin: 0 auto 12px;
        border-radius: 14px;
        background-image: url('assets/hero_bg.webp');
        background-size: cover;
        background-position: center 35%;
    }

    .hero-container {
        order: 1;
        justify-content: flex-end;
        width: 100%;
        padding-bottom: 12px;
    }

    .hero-wave {
        order: 3;
        position: relative;
    }

    .hero-content {
        max-width: 100%;
    }

    .hero-content h1 {
        font-size: 2.25rem;
    }

    .hero-desc {
        font-size: 1.1rem;
        margin-bottom: 24px;
    }

    .hero-ctas {
        flex-direction: column;
        gap: 12px;
        margin-bottom: 24px;
    }

    .hero-stats {
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        gap: 8px;
        border-top: 1px solid rgba(255, 255, 255, 0.12);
        padding-top: 18px;
        margin-top: 0;
    }

    .stat-item {
        align-items: center;
        text-align: center;
    }

    .stat-number {
        font-size: 1.45rem;
    }

    .stat-label {
        font-size: 0.72rem;
        line-height: 1.35;
    }

    .floating-actions-stack {
        flex-direction: column;
        align-items: center;
        gap: 10px;
    }

    .floating-btn {
        width: 54px;
        height: 54px;
        font-size: 1.4rem;
    }

    .floating-btn .tooltip-text {
        display: none;
    }

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

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

    .gallery-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 16px;
    }

    .gallery-item {
        height: 220px;
    }

    .testimonial-content {
        padding: 30px;
    }

    .testimonial-content::after {
        display: none; /* Remove quote icon on mobile to save space */
    }

    .testimonial-content p {
        font-size: 1.05rem;
    }

    .footer-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }
}

/* Tiny Screens (480px) */
@media (max-width: 480px) {
    .container {
        padding: 0 16px;
    }

    .hero-section::after {
        height: 145px;
        width: calc(100% - 24px);
    }

    .hero-content h1 {
        font-size: 1.85rem;
    }

    .hero-desc {
        font-size: 1rem;
        margin-bottom: 28px;
    }

    .hero-ctas {
        margin-bottom: 36px;
    }

    .hero-stats {
        gap: 16px 24px;
        padding-top: 24px;
    }

    .stat-number {
        font-size: 1.75rem;
    }

    .section-title-wrapper h2 {
        font-size: 1.85rem;
    }

    .gallery-grid {
        grid-template-columns: 1fr;
    }
    
    .gallery-item {
        height: 240px;
    }

    .estimator-calculator {
        padding: 24px 16px;
    }

    .estimator-item {
        flex-direction: column;
        align-items: flex-start;
        gap: 16px;
    }

    .estimator-controls {
        align-self: flex-end;
    }
    
    .estimator-controls-checkbox {
        align-self: flex-start;
    }

    .summary-card {
        padding: 24px 16px;
    }

    .message-card {
        padding: 24px 16px;
    }

    .whatsapp-chat-box {
        position: fixed;
        bottom: calc(84px + env(safe-area-inset-bottom, 0px));
        inset-inline-end: 16px;
        inset-inline-start: 16px;
        width: auto;
        max-width: none;
    }
}