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

:root {
    --primary-color: #0B192C;      /* Steel Blue Dark */
    --accent-color: #1E3A8A;       /* Tech Blue */
    --highlight: #008DDA;          /* CAD Blue Highlight */
    --text-dark: #1E293B;
    --text-light: #64748B;
    --bg-light: #F8FAFC;
    --white: #FFFFFF;
    --border-color: #E2E8F0;
    --max-width: 1100px;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Arial, sans-serif;
    line-height: 1.6;
    color: var(--text-dark);
    background-color: var(--bg-light);
}

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

/* Header & Nav */
.site-header {
    background-color: var(--white);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    position: sticky;
    top: 0;
    z-index: 100;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 5%;
}

.logo a {
    font-size: 1.6rem;
    color: var(--primary-color);
    letter-spacing: 1px;
}

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

.main-nav ul {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.main-nav a {
    font-weight: 600;
    color: var(--text-dark);
    transition: color 0.3s ease;
}

.main-nav a:hover {
    color: var(--highlight);
}

/* Hero Section */
.hero-section {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--accent-color) 100%);
    color: var(--white);
    padding: 5rem 1.5rem;
    text-align: center;
}

.hero-section h1 {
    font-size: 2.5rem;
    max-width: 850px;
    margin: 0 auto 1.2rem;
    line-height: 1.2;
}

.hero-section p {
    font-size: 1.2rem;
    max-width: 750px;
    margin: 0 auto 2rem;
    color: #94A3B8;
}

.btn-primary {
    display: inline-block;
    background-color: var(--highlight);
    color: var(--white);
    padding: 0.85rem 2rem;
    border-radius: 6px;
    font-weight: 700;
    transition: background-color 0.3s ease;
}

.btn-primary:hover {
    background-color: #006BB3;
}

/* Sections & Grid */
section {
    padding: 4rem 1.5rem;
    max-width: var(--max-width);
    margin: 0 auto;
}

h2 {
    font-size: 2rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
    text-align: center;
}

.about-section {
    text-align: center;
    max-width: 800px;
}

.about-section p {
    font-size: 1.1rem;
    color: var(--text-light);
}

/* Services Grid */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin-top: 2rem;
}

.service-card {
    background: var(--white);
    padding: 2rem;
    border-radius: 8px;
    border: 1px solid var(--border-color);
    box-shadow: 0 4px 6px rgba(0,0,0,0.02);
    transition: transform 0.3s ease;
}

.service-card:hover {
    transform: translateY(-4px);
}

.service-card h3 {
    color: var(--primary-color);
    margin-bottom: 0.75rem;
}

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

/* Workflow */
.workflow-section ul {
    list-style: none;
    margin-top: 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.workflow-section li {
    background: var(--white);
    padding: 1.25rem;
    border-left: 4px solid var(--highlight);
    border-radius: 4px;
}

/* Contact Form */
.contact-section {
    background: var(--white);
    border-radius: 12px;
    border: 1px solid var(--border-color);
    padding: 3rem 2rem;
    margin-top: 2rem;
    margin-bottom: 4rem;
}

.contact-section p {
    text-align: center;
    color: var(--text-light);
    margin-bottom: 2rem;
}

.lead-form {
    max-width: 600px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
}

.form-group label {
    font-weight: 600;
    font-size: 0.9rem;
}

.form-group input,
.form-group select,
.form-group textarea {
    padding: 0.8rem;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    font-size: 1rem;
    font-family: inherit;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--highlight);
}

.btn-submit {
    background-color: var(--highlight);
    color: var(--white);
    border: none;
    padding: 1rem;
    font-size: 1rem;
    font-weight: 700;
    border-radius: 6px;
    cursor: pointer;
    transition: background-color 0.3s ease;
}

.btn-submit:hover {
    background-color: #006BB3;
}

.site-footer {
    background-color: var(--primary-color);
    color: #94A3B8;
    text-align: center;
    padding: 2rem 1rem;
    font-size: 0.9rem;
}

@media (max-width: 768px) {
    .site-header {
        flex-direction: column;
        gap: 1rem;
    }
    .hero-section h1 {
        font-size: 1.8rem;
    }
}