/* --- Global Styles & Variables --- */
:root {
    --primary-color: #29ABE2;   /* Vibrant Blue */
    --secondary-color: #90EE90; /* Light Green */
    --accent-color: #663399;    /* Deep Purple */
    --accent-alt-color: #008080; /* Teal */
    --neutral-bg: #F8F8FF;      /* Off-white */
    --neutral-text: #333333;
    --white-color: #FFFFFF;
    --font-family: 'Poppins', sans-serif;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    line-height: 1.6;
    background-color: var(--neutral-bg);
    color: var(--neutral-text);
}

.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 20px;
}

h1, h2, h3 {
    line-height: 1.2;
    margin-bottom: 1rem;
}

h2 {
    font-size: 2.5rem;
    text-align: center;
    margin-bottom: 3rem;
    color: var(--accent-color);
}

section {
    padding: 60px 0;
}

/* --- Buttons --- */
.btn {
    display: inline-block;
    padding: 12px 24px;
    border-radius: 5px;
    text-decoration: none;
    font-weight: 600;
    transition: background-color 0.3s ease;
}

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

.btn-primary:hover {
    background-color: #1f8ac1;
}

/* --- Header & Navigation --- */
.main-header {
    background-color: var(--white-color);
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.main-header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 20px;
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--accent-color);
    text-decoration: none;
}

.main-nav .nav-links {
    display: flex;
    list-style: none;
}

.main-nav a {
    color: var(--neutral-text);
    text-decoration: none;
    padding: 5px 15px;
    transition: color 0.3s ease;
    font-weight: 600;
}

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

.menu-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--neutral-text);
}


/* --- Hero Section --- */
.hero {
    background: linear-gradient(rgba(41, 171, 226, 0.1), rgba(102, 51, 153, 0.1)), var(--neutral-bg);
    min-height: 80vh;
    display: flex;
    align-items: center;
    text-align: center;
}

.hero h1 {
    font-size: 3rem;
    color: var(--accent-color);
}

.hero p {
    font-size: 1.2rem;
    max-width: 700px;
    margin: 1rem auto 2rem;
}

/* --- Services Section --- */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.service-card {
    background: var(--white-color);
    padding: 30px;
    border-radius: 8px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.05);
    text-align: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 8px 25px rgba(0,0,0,0.1);
}

.service-card i {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.service-card h3 {
    font-size: 1.3rem;
    color: var(--accent-alt-color);
}

/* --- About & Process & Testimonials --- */
.about-section, .testimonials-section {
    background-color: var(--white-color);
}
.about-section p, .testimonials-section .testimonial {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
    font-size: 1.1rem;
}

.process-steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    text-align: center;
}

.step span {
    display: block;
    width: 50px;
    height: 50px;
    line-height: 50px;
    border-radius: 50%;
    background-color: var(--primary-color);
    color: var(--white-color);
    font-size: 1.5rem;
    font-weight: 700;
    margin: 0 auto 1rem;
}

.testimonial {
    margin-bottom: 2rem;
}
.testimonial blockquote {
    font-style: italic;
    font-size: 1.2rem;
    margin-bottom: 1rem;
}
.testimonial cite {
    font-weight: 600;
    color: var(--primary-color);
}

/* --- Industries & Case Studies Section --- */
.industries-section, .case-studies-section {
    background: var(--white-color);
}
.industries-grid, .case-study-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}
.industry-card, .case-study-card {
    background: var(--neutral-bg);
    padding: 30px;
    border-radius: 8px;
    border-left: 5px solid var(--secondary-color);
}
.industry-card i {
    font-size: 2.5rem;
    color: var(--accent-alt-color);
    margin-bottom: 1rem;
}
.case-study-card h3 {
    color: var(--accent-color);
}
.learn-more {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 600;
}

/* --- Contact Section --- */
.contact-section p {
    text-align: center;
    max-width: 600px;
    margin: 0 auto 2rem;
}
.contact-section p a {
    color: var(--primary-color);
    font-weight: 600;
}

#contact-form {
    max-width: 700px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 15px;
}
.form-group {
    display: flex;
    gap: 15px;
}
#contact-form input, #contact-form select, #contact-form textarea {
    width: 100%;
    padding: 15px;
    border: 1px solid #ddd;
    border-radius: 5px;
    font-family: var(--font-family);
    font-size: 1rem;
}
#contact-form textarea {
    resize: vertical;
}
#contact-form button {
    align-self: center;
}

/* --- Footer --- */
.main-footer {
    background-color: var(--neutral-text);
    color: var(--neutral-bg);
    padding: 20px 0;
}
.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.footer-links a {
    color: var(--neutral-bg);
    text-decoration: none;
    margin-left: 15px;
}
.footer-links a:hover {
    color: var(--primary-color);
}

/* --- Responsive Design (Mobile First) --- */

@media (max-width: 768px) {
    h2 { font-size: 2rem; }
    .hero h1 { font-size: 2.5rem; }

    .menu-toggle { display: block; }
    .main-nav {
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background-color: var(--white-color);
        flex-direction: column;
        align-items: center;
        max-height: 0;
        overflow: hidden;
        transition: max-height 0.5s ease-out;
    }
    .main-nav.active {
        max-height: 300px; /* Adjust as needed */
        padding: 1rem 0;
        box-shadow: 0 2px 5px rgba(0,0,0,0.1);
    }
    .main-nav .nav-links {
        flex-direction: column;
        width: 100%;
        text-align: center;
    }
    .main-nav .nav-links li {
        width: 100%;
        padding: 10px 0;
    }
    .form-group {
        flex-direction: column;
    }
    .footer-content {
        flex-direction: column;
        gap: 10px;
    }
}