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

body {
    font-family: 'Open Sans', sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #fff;
    scroll-behavior: smooth;
}

h1, h2, h3, h4, h5, h6 {
    font-family: 'Montserrat', sans-serif;
    margin-bottom: 1rem;
    color: #222;
}

a {
    text-decoration: none;
    color: inherit;
    transition: color 0.3s ease;
}

ul {
    list-style: none;
}

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

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.section {
    padding: 80px 0;
}

.section-title {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 1rem;
    color: #3D9BE9;
}

.section-subtitle {
    text-align: center;
    font-size: 1.2rem;
    color: #666;
    margin-bottom: 3rem;
}

.bg-light {
    background-color: #f9f9f9;
}

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

.mt-4 { margin-top: 1.5rem; }
.mt-5 { margin-top: 3rem; }

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background-color: #fff;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
    z-index: 1000;
    padding: 1rem 0;
    transition: padding 0.3s ease;
}

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

.logo img {
    max-height: 50px;
    width: auto;
}

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

.nav-links li a {
    font-weight: 600;
    font-size: 1rem;
    color: #555;
}

.nav-links li a:hover {
    color: #3D9BE9;
}

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

.hamburger span {
    display: block;
    width: 25px;
    height: 3px;
    background-color: #333;
    margin: 5px 0;
    transition: all 0.3s ease;
}

/* Hero Section */
.hero {
    height: 100vh;
    background-image: url('../images/hero_bg.jpg');
    background-size: cover;
    background-position: center;
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
    text-align: center;
    color: #fff;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.2); /* Lighter overlay */
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 800px;
    padding: 20px;
    padding-top: 250px;
}

.hero-tagline {
    font-family: 'Open Sans', sans-serif;
    font-weight: 300;
    font-size: 2rem;
    margin-bottom: 2rem;
    color: #fff;
    text-shadow: 1px 1px 3px rgba(0,0,0,0.5);
}

.btn {
    display: inline-block;
    padding: 12px 30px;
    background-color: #3D9BE9;
    color: #fff;
    border-radius: 5px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: background-color 0.3s ease;
}

.btn:hover {
    background-color: #2a88d6;
}

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

.about-image img {
    border-radius: 10px;
    box-shadow: 0 10px 20px rgba(0,0,0,0.1);
}

.about-text h2 {
    font-size: 2.5rem;
    color: #3D9BE9;
}

.about-text h3 {
    font-size: 1.5rem;
    color: #666;
    margin-bottom: 1.5rem;
    font-weight: 400;
}

.about-text p {
    margin-bottom: 1rem;
    color: #555;
}

/* Experience Section */
.lead-text {
    font-size: 1.1rem;
    text-align: center;
    max-width: 900px;
    margin: 0 auto 3rem;
}

.skills-grid {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 1rem;
    margin-top: 2rem;
}

.skill-item {
    background-color: #fff;
    padding: 10px 20px;
    border-radius: 30px;
    box-shadow: 0 2px 5px rgba(0,0,0,0.05);
    font-weight: 600;
    color: #3D9BE9;
    border: 1px solid #eee;
    transition: transform 0.2s ease;
}

.skill-item:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0,0,0,0.1);
}

.clients-list {
    text-align: center;
}

.client-tags {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 15px;
    margin-top: 1.5rem;
}

.client-tags span {
    color: #555;
    font-style: italic;
    background: #e9ecef;
    padding: 5px 15px;
    border-radius: 5px;
    font-size: 0.9rem;
}

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

.service-card {
    background: #fff;
    padding: 2rem;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.05);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    border-top: 4px solid #3D9BE9;
}

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

.service-card h3 {
    font-size: 1.4rem;
    margin-bottom: 1rem;
}

/* Projects Section */
.project-category-title {
    text-align: center;
    margin-bottom: 2rem;
    color: #444;
    position: relative;
    display: inline-block;
    left: 50%;
    transform: translateX(-50%);
}

.project-category-title::after {
    content: '';
    display: block;
    width: 50px;
    height: 3px;
    background: #3D9BE9;
    margin: 10px auto 0;
}

.projects-grid-wrapper {
    max-width: 1120px; /* 3 columns * 350px + 2 * 1rem gap */
    margin: 0 auto;
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
}

.project-card {
    background: #fff;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0,0,0,0.05);
    transition: transform 0.3s ease;
}

.project-card:hover {
    transform: translateY(-5px);
}

.project-card img {
    width: 100%;
    height: 250px;
    object-fit: cover;
}

.project-info {
    padding: 1.5rem;
}

.project-info h4 {
    color: #3D9BE9;
    margin-bottom: 0.5rem;
    font-size: 1.2rem;
}

.project-info p {
    font-size: 0.95rem;
    margin-bottom: 1rem;
    color: #666;
}

.project-info a {
    color: #333;
    font-weight: 600;
    font-size: 0.9rem;
    text-decoration: underline;
}

.project-info a:hover {
    color: #3D9BE9;
}

/* Footer */
footer {
    background-color: #222;
    color: #fff;
    text-align: center;
    padding: 2rem 0;
}

footer p {
    font-size: 0.9rem;
    color: #aaa;
}

/* Responsive Design */
@media (max-width: 992px) {
    .hero h1 { font-size: 2.5rem; }
    .about-grid { grid-template-columns: 1fr; }
    .about-image { order: -1; margin-bottom: 2rem; }
    .about-image img { max-width: 100%; margin: 0 auto; }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background-color: #fff;
        flex-direction: column;
        padding: 20px;
        box-shadow: 0 5px 10px rgba(0,0,0,0.1);
        gap: 1rem;
        text-align: center;
    }

    .nav-links.active {
        display: flex;
    }

    .hamburger {
        display: block;
    }

    .hero h1 { font-size: 2rem; }
    .hero p { font-size: 1.2rem; }
    
    .section-title { font-size: 2rem; }
}