/* ============================================
   ECELLA CONSTRUCTION - MAIN STYLESHEET
   ============================================ */

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

/* CSS Variables */
:root {
    /* Primary Colors */
    --primary-color: #007bff;
    --primary-dark: #0056b3;
    --primary-light: #e3f2fd;
    
    /* Secondary Colors */
    --secondary-color: #6c757d;
    --secondary-dark: #495057;
    --secondary-light: #f8f9fa;
    
    /* Status Colors */
    --success-color: #28a745;
    --warning-color: #ffc107;
    --danger-color: #dc3545;
    --info-color: #17a2b8;
    
    /* Neutral Colors */
    --dark-color: #343a40;
    --light-color: #f8f9fa;
    --white-color: #ffffff;
    --gray-color: #6c757d;
    --gray-light: #e9ecef;
    
    /* Typography */
    --font-heading: 'Montserrat', sans-serif;
    --font-body: 'Poppins', sans-serif;
    
    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-xxl: 3rem;
    
    /* Border Radius */
    --radius-sm: 0.25rem;
    --radius-md: 0.5rem;
    --radius-lg: 1rem;
    --radius-xl: 1.5rem;
    
    /* Shadows */
    --shadow-sm: 0 2px 4px rgba(0,0,0,0.1);
    --shadow-md: 0 4px 8px rgba(0,0,0,0.1);
    --shadow-lg: 0 8px 16px rgba(0,0,0,0.1);
    --shadow-xl: 0 12px 24px rgba(0,0,0,0.1);
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
    
    /* Container Widths */
    --container-xs: 100%;
    --container-sm: 540px;
    --container-md: 720px;
    --container-lg: 960px;
    --container-xl: 1140px;
    --container-xxl: 1320px;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    font-size: 16px;
    line-height: 1.6;
    color: var(--dark-color);
    background-color: var(--white-color);
    overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: var(--spacing-md);
}

h1 { font-size: 3.5rem; }
h2 { font-size: 2.5rem; }
h3 { font-size: 2rem; }
h4 { font-size: 1.5rem; }
h5 { font-size: 1.25rem; }
h6 { font-size: 1rem; }

p {
    margin-bottom: var(--spacing-md);
}

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

a:hover {
    color: var(--primary-dark);
    text-decoration: underline;
}

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

ul, ol {
    list-style-position: inside;
    margin-bottom: var(--spacing-md);
}

/* Container */
.container {
    width: 100%;
    padding-right: var(--spacing-md);
    padding-left: var(--spacing-md);
    margin-right: auto;
    margin-left: auto;
}

@media (min-width: 576px) {
    .container {
        max-width: var(--container-sm);
    }
}

@media (min-width: 768px) {
    .container {
        max-width: var(--container-md);
    }
}

@media (min-width: 992px) {
    .container {
        max-width: var(--container-lg);
    }
}

@media (min-width: 1200px) {
    .container {
        max-width: var(--container-xl);
    }
}

@media (min-width: 1400px) {
    .container {
        max-width: var(--container-xxl);
    }
}

/* Top Bar */
.top-bar {
    background: linear-gradient(135deg, var(--dark-color) 0%, #1a1a1a 100%);
    font-size: 0.875rem;
}

.top-bar .contact-info span {
    margin-right: var(--spacing-lg);
}

.top-bar .social-links a {
    color: var(--white-color);
    text-decoration: none;
    transition: color var(--transition-fast);
}

.top-bar .social-links a:hover {
    color: var(--primary-color);
}

/* Navigation */
.navbar {
    padding: var(--spacing-md) 0;
    background-color: var(--white-color);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-normal);
}

.navbar.scrolled {
    padding: var(--spacing-sm) 0;
    box-shadow: var(--shadow-lg);
}

.navbar-brand .brand-logo {
    display: flex;
    flex-direction: column;
    line-height: 1;
}

.navbar-brand span:first-child {
    color: var(--primary-color);
    font-weight: 800;
    font-size: 1.8rem;
}

.navbar-brand span:last-child {
    color: var(--dark-color);
    font-weight: 600;
    font-size: 1.2rem;
}

.navbar-nav .nav-link {
    font-weight: 500;
    padding: var(--spacing-sm) var(--spacing-md);
    color: var(--dark-color);
    transition: color var(--transition-fast);
}

.navbar-nav .nav-link:hover,
.navbar-nav .nav-link.active {
    color: var(--primary-color);
    text-decoration: none;
}

.navbar-nav .nav-link.btn {
    padding: 0.5rem 1.5rem;
    margin-left: var(--spacing-sm);
}

/* Hero Section */
.hero-section {
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    min-height: calc(100vh - 160px);
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
}

.hero-section::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 50%;
    height: 100%;
    background: url('../images/pattern.png') repeat;
    opacity: 0.1;
}

.hero-section h1 {
    font-size: 3.5rem;
    line-height: 1.2;
    margin-bottom: var(--spacing-lg);
}

.hero-section .lead {
    font-size: 1.25rem;
    color: var(--secondary-color);
    margin-bottom: var(--spacing-xl);
}

.hero-stats {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
}

.hero-stats .text-center h3 {
    color: var(--primary-color);
    margin-bottom: var(--spacing-xs);
}

/* Section Styles */
.section-header {
    text-align: center;
    margin-bottom: var(--spacing-xxl);
}

.section-header span {
    color: var(--primary-color);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    font-size: 0.875rem;
}

.section-header h2 {
    position: relative;
    padding-bottom: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.section-header h2::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 3px;
    background: var(--primary-color);
}

.section-header .lead {
    color: var(--secondary-color);
    max-width: 700px;
    margin: 0 auto;
}

/* Cards */
.card {
    border: none;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-normal);
    overflow: hidden;
}

.card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-5px);
}

.card.hover-lift:hover {
    transform: translateY(-10px);
}

.card-img-top {
    height: 200px;
    object-fit: cover;
}

.card-body {
    padding: var(--spacing-lg);
}

.card-title {
    color: var(--dark-color);
    margin-bottom: var(--spacing-md);
}

.card-text {
    color: var(--secondary-color);
}

.card-footer {
    background-color: var(--white-color);
    border-top: 1px solid var(--gray-light);
    padding: var(--spacing-md) var(--spacing-lg);
}

/* Service Cards */
.service-card {
    height: 100%;
}

.service-card .service-icon {
    color: var(--primary-color);
    margin-bottom: var(--spacing-lg);
}

.service-card .service-icon i {
    font-size: 3rem;
}

/* Project Cards */
.project-card .badge {
    font-size: 0.75rem;
    padding: 0.25rem 0.75rem;
}

.project-card .project-meta {
    font-size: 0.875rem;
    color: var(--secondary-color);
}

/* Team Cards */
.team-card {
    text-align: center;
}

.team-card .team-photo-wrapper {
    position: relative;
    overflow: hidden;
}

.team-card .team-photo {
    transition: transform var(--transition-normal);
}

.team-card:hover .team-photo {
    transform: scale(1.1);
}

.team-card .experience-badge {
    position: absolute;
    top: 15px;
    right: 15px;
}

.team-card .team-social {
    opacity: 0;
    transition: opacity var(--transition-normal);
}

.team-card:hover .team-social {
    opacity: 1;
}

/* Buttons */
.btn {
    font-weight: 600;
    padding: 0.75rem 2rem;
    border-radius: var(--radius-md);
    transition: all var(--transition-normal);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-size: 0.875rem;
    border: 2px solid transparent;
}

.btn-lg {
    padding: 1rem 3rem;
    font-size: 1rem;
}

.btn-sm {
    padding: 0.5rem 1.5rem;
    font-size: 0.75rem;
}

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

.btn-primary:hover {
    background-color: var(--primary-dark);
    border-color: var(--primary-dark);
    color: var(--white-color);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

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

.btn-outline-primary:hover {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
    color: var(--white-color);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

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

.btn-success:hover {
    background-color: #218838;
    border-color: #1e7e34;
    transform: translateY(-2px);
}

.btn-warning {
    background-color: var(--warning-color);
    border-color: var(--warning-color);
    color: var(--dark-color);
}

.btn-warning:hover {
    background-color: #e0a800;
    border-color: #d39e00;
    transform: translateY(-2px);
}

/* Stats */
.stat-card {
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.stat-card h3 {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-xs);
}

.stat-card .stat-icon {
    width: 80px;
    height: 80px;
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    margin-bottom: var(--spacing-lg);
}

/* Forms */
.form-control,
.form-select {
    padding: 0.75rem 1rem;
    border: 1px solid var(--gray-light);
    border-radius: var(--radius-md);
    font-size: 1rem;
    transition: all var(--transition-fast);
}

.form-control:focus,
.form-select:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.25rem rgba(0, 123, 255, 0.25);
    outline: none;
}

.form-label {
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
    color: var(--dark-color);
}

.form-text {
    color: var(--secondary-color);
    font-size: 0.875rem;
}

.form-check-input:checked {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
}

/* Progress Bars */
.progress {
    height: 10px;
    border-radius: var(--radius-lg);
    background-color: var(--gray-light);
    overflow: hidden;
}

.progress-bar {
    background-color: var(--primary-color);
    border-radius: var(--radius-lg);
    transition: width var(--transition-slow);
}

/* Timeline */
.timeline {
    position: relative;
    padding-left: 30px;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 15px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: var(--primary-color);
}

.timeline-item {
    position: relative;
    margin-bottom: var(--spacing-xl);
    padding-left: var(--spacing-lg);
}

.timeline-item:last-child {
    margin-bottom: 0;
}

.timeline-item::before {
    content: '';
    position: absolute;
    left: -8px;
    top: 5px;
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background: var(--primary-color);
    border: 3px solid var(--white-color);
    box-shadow: 0 0 0 3px var(--primary-light);
}

.timeline-date {
    font-weight: 600;
    color: var(--primary-color);
    margin-bottom: var(--spacing-xs);
}

/* Accordion */
.accordion-button {
    font-weight: 600;
    padding: var(--spacing-lg);
    background-color: var(--white-color);
    border: 1px solid var(--gray-light);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.accordion-button:not(.collapsed) {
    background-color: var(--primary-light);
    color: var(--primary-color);
    border-color: var(--primary-color);
}

.accordion-button:focus {
    box-shadow: 0 0 0 0.25rem rgba(0, 123, 255, 0.25);
    border-color: var(--primary-color);
}

.accordion-body {
    padding: var(--spacing-lg);
    background-color: var(--white-color);
    border: 1px solid var(--gray-light);
    border-top: none;
    border-radius: 0 0 var(--radius-md) var(--radius-md);
}

/* CTA Sections */
.cta-card {
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
}

.cta-card.bg-primary {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
}

.cta-card.bg-dark {
    background: linear-gradient(135deg, var(--dark-color) 0%, #1a1a1a 100%);
}

/* Footer */
.footer {
    background: linear-gradient(135deg, var(--dark-color) 0%, #1a1a1a 100%);
}

.footer h4, .footer h5 {
    color: var(--white-color);
    margin-bottom: var(--spacing-lg);
}

.footer a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    transition: color var(--transition-fast);
}

.footer a:hover {
    color: var(--white-color);
}

.footer .social-icons a {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.1);
    transition: all var(--transition-fast);
}

.footer .social-icons a:hover {
    background: var(--primary-color);
    transform: translateY(-3px);
}

.footer .newsletter input {
    border: none;
    border-radius: var(--radius-md) 0 0 var(--radius-md);
}

.footer .newsletter button {
    border-radius: 0 var(--radius-md) var(--radius-md) 0;
}

/* Page Header */
.page-header {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    padding: var(--spacing-xxl) 0;
}

.page-header h1 {
    color: var(--white-color);
    margin-bottom: var(--spacing-md);
}

.page-header .lead {
    color: rgba(255, 255, 255, 0.9);
    font-size: 1.25rem;
}

.page-header .breadcrumb {
    background: transparent;
    padding: 0;
}

.page-header .breadcrumb-item a {
    color: rgba(255, 255, 255, 0.9);
}

.page-header .breadcrumb-item.active {
    color: var(--white-color);
}

/* Badges */
.badge {
    padding: 0.5em 1em;
    font-weight: 600;
    border-radius: var(--radius-sm);
}

.badge.bg-primary {
    background-color: var(--primary-color) !important;
}

.badge.bg-success {
    background-color: var(--success-color) !important;
}

.badge.bg-warning {
    background-color: var(--warning-color) !important;
    color: var(--dark-color);
}

.badge.bg-info {
    background-color: var(--info-color) !important;
}

/* Alerts */
.alert {
    border: none;
    border-radius: var(--radius-md);
    padding: var(--spacing-lg);
}

.alert-success {
    background-color: #d4edda;
    color: #155724;
}

.alert-danger {
    background-color: #f8d7da;
    color: #721c24;
}

.alert-info {
    background-color: #d1ecf1;
    color: #0c5460;
}

.alert-warning {
    background-color: #fff3cd;
    color: #856404;
}

/* Utility Classes */
.text-primary { color: var(--primary-color) !important; }
.text-success { color: var(--success-color) !important; }
.text-warning { color: var(--warning-color) !important; }
.text-danger { color: var(--danger-color) !important; }
.text-info { color: var(--info-color) !important; }

.bg-primary { background-color: var(--primary-color) !important; }
.bg-success { background-color: var(--success-color) !important; }
.bg-warning { background-color: var(--warning-color) !important; }
.bg-danger { background-color: var(--danger-color) !important; }
.bg-info { background-color: var(--info-color) !important; }

.bg-light { background-color: var(--light-color) !important; }
.bg-dark { background-color: var(--dark-color) !important; }

.rounded { border-radius: var(--radius-md) !important; }
.rounded-lg { border-radius: var(--radius-lg) !important; }
.rounded-xl { border-radius: var(--radius-xl) !important; }

.shadow-sm { box-shadow: var(--shadow-sm) !important; }
.shadow { box-shadow: var(--shadow-md) !important; }
.shadow-lg { box-shadow: var(--shadow-lg) !important; }

/* Animation Classes */
.fade-in {
    animation: fadeIn 0.5s ease-in;
}

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

.slide-up {
    animation: slideUp 0.5s ease-out;
}

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

/* Responsive Design */
@media (max-width: 768px) {
    h1 { font-size: 2.5rem; }
    h2 { font-size: 2rem; }
    h3 { font-size: 1.75rem; }
    h4 { font-size: 1.5rem; }
    
    .hero-section h1 {
        font-size: 2.5rem;
    }
    
    .hero-section .lead {
        font-size: 1.125rem;
    }
    
    .section-header {
        margin-bottom: var(--spacing-xl);
    }
    
    .navbar-nav .nav-link {
        padding: var(--spacing-sm) 0;
    }
    
    .navbar-nav .nav-link.btn {
        margin-left: 0;
        margin-top: var(--spacing-sm);
        display: inline-block;
    }
    
    .card-img-top {
        height: 150px;
    }
    
    .btn-lg {
        padding: 0.875rem 2rem;
        font-size: 0.875rem;
    }
}

@media (max-width: 576px) {
    .container {
        padding-right: var(--spacing-sm);
        padding-left: var(--spacing-sm);
    }
    
    h1 { font-size: 2rem; }
    h2 { font-size: 1.75rem; }
    h3 { font-size: 1.5rem; }
    
    .hero-section {
        min-height: calc(100vh - 120px);
    }
    
    .hero-section h1 {
        font-size: 2rem;
    }
    
    .hero-section .lead {
        font-size: 1rem;
    }
    
    .stat-card h3 {
        font-size: 2rem;
    }
    
    .page-header {
        padding: var(--spacing-xl) 0;
    }
    
    .page-header h1 {
        font-size: 2rem;
    }
}

/* Print Styles */
@media print {
    .navbar,
    .footer,
    .top-bar,
    .btn,
    .no-print {
        display: none !important;
    }
    
    body {
        font-size: 12pt;
        color: #000;
    }
    
    .container {
        width: 100%;
        max-width: none;
    }
    
    a {
        color: #000;
        text-decoration: none;
    }
    
    .card {
        border: 1px solid #ddd;
        box-shadow: none;
    }
}