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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', sans-serif;
    color: #333;
    line-height: 1.6;
    background-color: #fafafa;
}

.container {
    width: 90%;
    max-width: 1100px;
    margin: 0 auto;
    padding: 80px 0;
}

/* --- Header & Nav --- */
header {
    background-color: #ffffff;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 0;
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: #1a1a1a;
    letter-spacing: -0.5px;
}

.logo span {
    color: #2563eb; /* Tech Blue accent */
}

nav ul {
    display: flex;
    list-style: none;
}

nav ul li {
    margin-left: 30px;
}

nav ul li a {
    text-decoration: none;
    color: #4b5563;
    font-weight: 500;
    transition: color 0.3s ease;
}

nav ul li a:hover {
    color: #2563eb;
}

/* --- Hero Section --- */
.hero {
    background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
    color: #ffffff;
    text-align: center;
    padding-top: 160px;
    padding-bottom: 120px;
}

.hero-content h1 {
    font-size: 3rem;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 20px;
    letter-spacing: -1px;
}

.hero-content p {
    font-size: 1.25rem;
    color: #cbd5e1;
    max-width: 600px;
    margin: 0 auto 40px auto;
}

.btn {
    display: inline-block;
    background-color: #2563eb;
    color: #ffffff;
    padding: 12px 32px;
    border-radius: 6px;
    text-decoration: none;
    font-weight: 600;
    transition: background 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.btn:hover {
    background-color: #1d4ed8;
}

/* --- About Section --- */
.about {
    text-align: center;
    background-color: #ffffff;
}

.about h2 {
    font-size: 2.25rem;
    margin-bottom: 20px;
    position: relative;
}

.about p {
    max-width: 750px;
    margin: 0 auto;
    font-size: 1.125rem;
    color: #4b5563;
}

/* --- Services Section --- */
.services {
    background-color: #f1f5f9;
}

.services h2 {
    font-size: 2.25rem;
    text-align: center;
    margin-bottom: 50px;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.service-card {
    background: #ffffff;
    padding: 40px 30px;
    border-radius: 8px;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.service-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
}

.service-card .icon {
    font-size: 2.5rem;
    margin-bottom: 20px;
}

.service-card h3 {
    font-size: 1.35rem;
    margin-bottom: 15px;
    color: #1e293b;
}

.service-card p {
    color: #64748b;
    font-size: 0.975rem;
}

/* --- Contact Section --- */
.contact {
    background-color: #ffffff;
    text-align: center;
}

.contact h2 {
    font-size: 2.25rem;
    margin-bottom: 15px;
}

.contact p {
    color: #4b5563;
    margin-bottom: 40px;
}

.contact-details {
    display: flex;
    justify-content: center;
    gap: 50px;
    flex-wrap: wrap;
}

.contact-item {
    font-size: 1.125rem;
    color: #1e293b;
}

.contact-item a {
    color: #2563eb;
    text-decoration: none;
    font-weight: 600;
}

/* --- Footer --- */
footer {
    background-color: #0f172a;
    color: #94a3b8;
    text-align: center;
    padding: 30px 0;
    font-size: 0.875rem;
    border-top: 1px solid #334155;
}

/* --- Responsive Adjustments --- */
@media (max-width: 768px) {
    .nav-container {
        flex-direction: column;
        gap: 15px;
    }
    
    nav ul li {
        margin: 0 15px;
    }

    .hero-content h1 {
        font-size: 2.25rem;
    }

    .container {
        padding: 50px 0;
    }

    .contact-details {
        flex-direction: column;
        gap: 20px;
    }
}