/* --- Root Variables & Reset --- */
:root {
    --primary-color: #0056b3;
    --secondary-color: #f4f7f6;
    --dark-color: #1a252f;
    --text-color: #333333;
    --light-text: #666666;
    --white: #ffffff;
    --accent-color: #ffc107;
    --transition: all 0.3s ease;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

html {
    scroll-behavior: smooth;
}

body {
    color: var(--text-color);
    line-height: 1.6;
    background-color: var(--white);
}

.container {
    width: 85%;
    max-width: 1200px;
    margin: 0 auto;
}

/* --- Global Components --- */
.btn {
    display: inline-block;
    padding: 0.8rem 2rem;
    border-radius: 5px;
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition);
    cursor: pointer;
    border: none;
}

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

.btn-primary:hover {
    background-color: #004085;
}

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

.btn-secondary:hover {
    background-color: var(--white);
    color: var(--dark-color);
}

.btn-block {
    width: 100%;
}

.section-title {
    text-align: center;
    margin-bottom: 3rem;
}

.section-title h2 {
    font-size: 2.5rem;
    color: var(--dark-color);
    position: relative;
    padding-bottom: 10px;
}

.section-title h2::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 4px;
    background-color: var(--primary-color);
    border-radius: 2px;
}

.section-title p {
    color: var(--light-text);
    margin-top: 0.5rem;
}

/* --- Header / Navbar --- */
header {
    background-color: var(--white);
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 0;
}

.logo h1 {
    font-size: 1.8rem;
    color: var(--dark-color);
}

.logo h1 span {
    color: var(--primary-color);
}

.nav-links {
    display: flex;
    list-style: none;
    align-items: center;
}

.nav-links li a {
    text-decoration: none;
    color: var(--dark-color);
    font-weight: 500;
    padding: 0.5rem 1rem;
    transition: var(--transition);
}

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

.btn-nav {
    background-color: var(--primary-color);
    color: var(--white) !important;
    border-radius: 4px;
}

.btn-nav:hover {
    background-color: #004085;
}

.menu-toggle {
    display: none;
    font-size: 1.5rem;
    cursor: pointer;
}

/* --- Hero Section --- */
.hero {
    background: linear-gradient(rgba(26, 37, 47, 0.75), rgba(26, 37, 47, 0.85)), 
                url('https://images.unsplash.com/photo-1504307651254-35680f356dfd?auto=format&fit=crop&w=1500&q=80') no-repeat center center/cover;
    height: 80vh;
    display: flex;
    align-items: center;
    color: var(--white);
    text-align: center;
}

.hero-content h2 {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.hero-content p {
    font-size: 1.2rem;
    max-width: 700px;
    margin: 0 auto 2rem auto;
}

.hero-btns .btn {
    margin: 0 0.5rem;
}

/* --- About Section --- */
.about {
    padding: 5rem 0;
}

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

.subheading {
    color: var(--primary-color);
    text-transform: uppercase;
    font-weight: 700;
    letter-spacing: 1px;
}

.about-text h2 {
    font-size: 2.3rem;
    margin: 0.5rem 0 1.5rem 0;
    color: var(--dark-color);
}

.about-features {
    list-style: none;
    margin-top: 1.5rem;
}

.about-features li {
    margin-bottom: 0.8rem;
    font-weight: 500;
}

.about-features i {
    color: #28a745;
    margin-right: 10px;
}

.about-image img {
    width: 100%;
    border-radius: 8px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}

/* --- Services Section --- */
.services {
    background-color: var(--secondary-color);
    padding: 5rem 0;
}

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

.service-card {
    background-color: var(--white);
    padding: 2.5rem 1.5rem;
    border-radius: 8px;
    text-align: center;
    transition: var(--transition);
    box-shadow: 0 3px 10px rgba(0,0,0,0.05);
}

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

.icon-box {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 1.5rem;
}

.service-card h3 {
    margin-bottom: 1rem;
    color: var(--dark-color);
}

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

/* --- Contact Section --- */
.contact {
    padding: 5rem 0;
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 3rem;
    background-color: var(--white);
}

.contact-info {
    background-color: var(--dark-color);
    color: var(--white);
    padding: 3rem;
    border-radius: 8px;
}

.contact-info h3 {
    margin-bottom: 1rem;
}

.info-item {
    display: flex;
    align-items: center;
    margin-top: 1.5rem;
}

.info-item i {
    font-size: 1.2rem;
    color: var(--accent-color);
    margin-right: 15px;
    width: 20px;
}

.contact-form-container {
    background-color: var(--secondary-color);
    padding: 3rem;
    border-radius: 8px;
}

.form-group {
    margin-bottom: 1.2rem;
}

.form-group input, .form-group select, .form-group textarea {
    width: 100%;
    padding: 0.8rem;
    border: 1px solid #ddd;
    border-radius: 4px;
    outline: none;
    font-size: 1rem;
}

.form-group input:focus, .form-group select:focus, .form-group textarea:focus {
    border-color: var(--primary-color);
}

/* --- Footer --- */
footer {
    background-color: var(--dark-color);
    color: #b3b3b3;
    padding: 2rem 0;
    text-align: center;
    border-top: 1px solid #2c3e50;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
}

.social-links a {
    color: #b3b3b3;
    margin-left: 1rem;
    font-size: 1.2rem;
    transition: var(--transition);
}

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

/* --- Responsive Adjustments --- */
@media(max-width: 768px) {
    .navbar {
        padding: 1rem;
    }
    .menu-toggle {
        display: block;
    }
    .nav-links {
        display: none;
        flex-direction: column;
        width: 100%;
        position: absolute;
        top: 60px;
        left: 0;
        background-color: var(--white);
        box-shadow: 0 5px 5px rgba(0,0,0,0.1);
        padding: 1rem 0;
    }
    .nav-links.active {
        display: flex;
    }
    .nav-links li {
        width: 100%;
        text-align: center;
        margin: 0.5rem 0;
    }
    .btn-nav {
        display: inline-block;
        width: 80%;
    }
    .hero-content h2 {
        font-size: 2.2rem;
    }
    .about-grid, .contact-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    .footer-content {
        flex-direction: column;
        gap: 1rem;
    }
}