:root {
    --primary-color: #2563eb; /* Vibrant Blue */
    --secondary-color: #1e293b; /* Slate Dark */
    --accent-color: #0f172a; /* Darker Slate */
    --text-dark: #1f2937;
    --text-light: #6b7280;
    --bg-light: #f3f4f6;
    --white: #ffffff;
    --transition: all 0.3s ease;
    --shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: var(--text-dark);
    background-color: var(--white);
    overflow-x: hidden;
}

a {
    text-decoration: none;
    color: inherit;
}

ul {
    list-style: none;
}

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

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
    transition: var(--transition);
}

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

.logo {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--secondary-color);
}

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

.nav-links {
    display: flex;
    gap: 2rem;
}

.nav-links a {
    font-weight: 500;
    color: var(--secondary-color);
    transition: var(--transition);
    position: relative;
}

.nav-links a:hover, .nav-links a.active {
    color: var(--primary-color);
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-color);
    transition: var(--transition);
}

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

.hamburger {
    display: none;
    cursor: pointer;
}

.hamburger .bar {
    display: block;
    width: 25px;
    height: 3px;
    background: var(--secondary-color);
    margin: 5px auto;
    transition: var(--transition);
}

.hamburger.toggle .bar:nth-child(1) {
    transform: rotate(-45deg) translate(-5px, 6px);
}

.hamburger.toggle .bar:nth-child(2) {
    opacity: 0;
}

.hamburger.toggle .bar:nth-child(3) {
    transform: rotate(45deg) translate(-5px, -6px);
}


/* Hero Section */
.hero {
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    position: relative;
    background-color: #1e293b; /* Fallback */
    overflow: hidden;
}

/* Dynamic background effect */
.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    opacity: 0.4; /* Dim the image */
    transition: transform 10s ease;
    z-index: 0;
}

.hero:hover .hero-bg {
    transform: scale(1.05);
}

.hero-content {
    position: relative;
    z-index: 1;
    animation: fadeInUp 1s ease;
}

.hero-title {
    font-size: 3.5rem;
    margin-bottom: 1rem;
    color: var(--secondary-color);
}

.txt-type {
    color: var(--primary-color);
    border-right: 0.1em solid var(--primary-color);
}

.lead {
    font-size: 1.2rem;
    color: var(--text-dark);
    margin-bottom: 2rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 0.8rem 2rem;
    border-radius: 50px;
    font-weight: 600;
    transition: var(--transition);
    cursor: pointer;
    border: none;
}

.btn-primary {
    background: var(--primary-color);
    color: var(--white);
    box-shadow: 0 4px 15px rgba(37, 99, 235, 0.3);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(37, 99, 235, 0.4);
    background: #1d4ed8;
}

/* Sections */
.section {
    padding: 5rem 0;
}

.section-title {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
    color: var(--secondary-color);
    position: relative;
}

.section-title::after {
    content: '';
    display: block;
    width: 50px;
    height: 3px;
    background: var(--primary-color);
    margin: 1rem auto 0;
}

.bg-light {
    background: var(--bg-light);
}

/* Services Grid */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.service-card {
    background: var(--white);
    padding: 2rem;
    border-radius: 10px;
    box-shadow: var(--shadow);
    transition: var(--transition);
    text-align: center;
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
}

.service-card i {
    color: var(--primary-color);
    margin-bottom: 1rem;
}

/* Page Headers */
.page-header {
    background: var(--secondary-color);
    color: var(--white);
    padding: 120px 0 60px;
    text-align: center;
}

.page-header h1 {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.page-header p {
    font-size: 1.2rem;
    opacity: 0.9;
}

/* Filter Buttons */
.filter-container {
    text-align: center;
    margin-bottom: 3rem;
}

.filter-btn {
    background: transparent;
    border: 2px solid var(--primary-color);
    color: var(--primary-color);
    padding: 0.5rem 1.5rem;
    border-radius: 30px;
    margin: 0 0.5rem;
    cursor: pointer;
    font-weight: 600;
    transition: var(--transition);
}

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

/* Portfolio Grid */
.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.portfolio-item {
    position: relative;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: var(--shadow);
    cursor: pointer;
    height: 250px; /* Placeholder height */
    background-color: #eee;
}

.portfolio-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

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

.portfolio-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(37, 99, 235, 0.9);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    color: var(--white);
    opacity: 0;
    transition: var(--transition);
}

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

/* Service Modal */
.modal {
    display: none;
    position: fixed;
    z-index: 2000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    overflow: auto;
    background-color: rgba(0,0,0,0.6);
    backdrop-filter: blur(5px);
    animation: fadeIn 0.3s;
}

.modal-content {
    background-color: #fefefe;
    margin: 15% auto;
    padding: 2.5rem;
    border-radius: 10px;
    width: 90%;
    max-width: 600px;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    position: relative;
    animation: fadeInUp 0.4s;
}

.close-modal {
    color: #aaa;
    float: right;
    font-size: 28px;
    font-weight: bold;
    cursor: pointer;
    transition: color 0.3s;
}

.close-modal:hover,
.close-modal:focus {
    color: var(--primary-color);
    text-decoration: none;
}

.btn-text {
    background: none;
    border: none;
    color: var(--primary-color);
    font-weight: 600;
    cursor: pointer;
    margin-top: 1rem;
    font-size: 0.95rem;
    text-decoration: underline;
}

/* Lightbox */
.lightbox {
    display: none;
    position: fixed;
    z-index: 2000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    overflow: auto;
    background-color: rgba(0,0,0,0.9);
    animation: fadeIn 0.3s;
}

.lightbox-content {
    margin: auto;
    display: block;
    max-width: 80%;
    max-height: 80vh;
    margin-top: 5%;
    border-radius: 5px;
}

.close-lightbox {
    position: absolute;
    top: 20px;
    right: 35px;
    color: #f1f1f1;
    font-size: 40px;
    font-weight: bold;
    cursor: pointer;
}

#lightbox-caption {
    margin: auto;
    display: block;
    width: 80%;
    max-width: 700px;
    text-align: center;
    color: #ccc;
    padding: 10px 0;
    height: 150px;
}

/* About Section */
.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

@media(max-width: 768px) {
    .about-content {
        grid-template-columns: 1fr;
    }
}

.counters {
    display: flex;
    justify-content: space-around;
    background: var(--secondary-color);
    color: var(--white);
    padding: 3rem 0;
    text-align: center;
}

.counter-item {
    flex: 1;
}

.counter {
    font-size: 3rem;
    font-weight: 700;
    color: var(--primary-color);
}

/* Team */
.team-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.team-card {
    background: var(--white);
    border-radius: 10px;
    box-shadow: var(--shadow);
    text-align: center;
    padding: 2rem;
    transition: var(--transition);
}

.team-card img {
    width: 150px;
    height: 150px;
    border-radius: 50%;
    margin: 0 auto 1.5rem;
    object-fit: cover;
    background-color: #eee;
}

/* Blog */
.blog-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.blog-card {
    background: var(--white);
    border-radius: 10px;
    box-shadow: var(--shadow);
    overflow: hidden;
    transition: var(--transition);
}

.blog-img {
    height: 200px;
    background-color: #eee;
    width: 100%;
}

.blog-content {
    padding: 1.5rem;
}

.blog-meta {
    font-size: 0.85rem;
    color: var(--text-light);
    margin-bottom: 0.5rem;
}

.read-more-content {
    display: none;
    margin-top: 1rem;
}

.read-more-btn {
    background: none;
    border: none;
    color: var(--primary-color);
    font-weight: 600;
    cursor: pointer;
    padding: 0;
    margin-top: 1rem;
}

/* Contact */
.contact-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
}

@media(max-width: 768px) {
    .contact-container {
        grid-template-columns: 1fr;
    }
}

.contact-info-item {
    display: flex;
    align-items: flex-start;
    margin-bottom: 2rem;
}

.contact-info-item i {
    font-size: 1.5rem;
    color: var(--primary-color);
    margin-right: 1rem;
    margin-top: 5px;
}

.contact-form .input-group {
    margin-bottom: 1.5rem;
    position: relative;
}

.contact-form input, .contact-form textarea {
    width: 100%;
    padding: 1rem;
    border: 1px solid #ddd;
    border-radius: 5px;
    font-family: inherit;
    transition: var(--transition);
}

.contact-form input:focus, .contact-form textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.input-group .error {
    color: #ef4444;
    font-size: 0.8rem;
    margin-top: 5px;
    display: block;
}

.input-group.error input {
    border-color: #ef4444;
}

.input-group.success input {
    border-color: #10b981;
}

.success-message {
    display: none;
    padding: 1rem;
    background: #d1fae5;
    color: #065f46;
    border-radius: 5px;
    margin-top: 1rem;
    text-align: center;
}

/* Footer */
footer {
    background: var(--secondary-color);
    color: var(--white);
    padding: 4rem 0 0;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    padding-bottom: 2rem;
}

.footer-col h3 {
    margin-bottom: 1.5rem;
    font-size: 1.2rem;
}

.footer-col ul li {
    margin-bottom: 0.8rem;
}

.footer-col ul li a {
    color: var(--text-light);
    transition: var(--transition);
}

.footer-col ul li a:hover {
    color: var(--primary-color);
}

.social-icons a {
    color: var(--white);
    margin-right: 1rem;
    font-size: 1.2rem;
    transition: var(--transition);
}

.social-icons a:hover {
    color: var(--primary-color);
}

.footer-bottom {
    background: var(--accent-color);
    text-align: center;
    padding: 1.5rem 0;
    margin-top: 2rem;
    font-size: 0.9rem;
    color: var(--text-light);
}

/* Scroll Top */
.scroll-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    background: var(--primary-color);
    color: var(--white);
    width: 50px;
    height: 50px;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    text-decoration: none;
    opacity: 0;
    pointer-events: none;
    transition: var(--transition);
    z-index: 999;
    box-shadow: 0 4px 10px rgba(0,0,0,0.3);
}

.scroll-top.active {
    opacity: 1;
    pointer-events: auto;
}

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

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

.fade-in-scroll {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.fade-in-scroll.visible {
    opacity: 1;
    transform: translateY(0);
}

.fade-in {
    animation: fadeIn 0.5s ease-in;
}

/* Responsive */
@media (max-width: 768px) {
    .nav-links {
        position: fixed;
        right: -100%;
        top: 80px;
        height: calc(100vh - 80px);
        background: var(--white);
        flex-direction: column;
        width: 100%;
        text-align: center;
        padding-top: 2rem;
        transition: var(--transition);
    }
    
    .nav-links.active {
        right: 0;
    }

    .hamburger {
        display: block;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
}