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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    line-height: 1.6;
    color: #333;
    background: #fff;
}

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

/* Header & Navigation */
header {
    background: #1a365d;
    color: white;
    padding: 1rem 0;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo h1 {
    font-size: 1.8rem;
    font-weight: 700;
    letter-spacing: 2px;
    color: #fff;
}

.logo .tagline {
    font-size: 0.9rem;
    color: #90cdf4;
    margin-top: -5px;
}

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

.nav-menu a {
    color: white;
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s;
}

.nav-menu a:hover {
    color: #90cdf4;
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, #2c5282 0%, #1a365d 100%);
    color: white;
    padding: 6rem 0;
    text-align: center;
}

.hero h2 {
    font-size: 2.8rem;
    margin-bottom: 1rem;
    font-weight: 700;
}

.hero-subtitle {
    font-size: 1.3rem;
    margin-bottom: 2rem;
    color: #e2e8f0;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.cta-button {
    display: inline-block;
    background: #3182ce;
    color: white;
    padding: 1rem 2.5rem;
    text-decoration: none;
    border-radius: 5px;
    font-weight: 600;
    font-size: 1.1rem;
    transition: background 0.3s;
}

.cta-button:hover {
    background: #2c5282;
}

/* Services Section */
.services {
    padding: 5rem 0;
    background: #f7fafc;
}

.services h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
    color: #1a365d;
}

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

.service-card {
    background: white;
    padding: 2.5rem;
    border-radius: 10px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
    transition: transform 0.3s, box-shadow 0.3s;
}

.service-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0,0,0,0.15);
}

.service-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.service-card h3 {
    font-size: 1.6rem;
    margin-bottom: 1.5rem;
    color: #2c5282;
}

.service-card ul {
    list-style: none;
}

.service-card li {
    padding: 0.5rem 0;
    padding-left: 1.5rem;
    position: relative;
}

.service-card li:before {
    content: "✓";
    position: absolute;
    left: 0;
    color: #3182ce;
    font-weight: bold;
}

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

.about h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
    color: #1a365d;
}

.credentials {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 3rem;
}

.background h3,
.certifications h3 {
    font-size: 1.8rem;
    margin-bottom: 1.5rem;
    color: #2c5282;
}

.background ul {
    list-style: none;
}

.background li {
    padding: 1rem 0;
    border-bottom: 1px solid #e2e8f0;
}

.background li:last-child {
    border-bottom: none;
}

.cert-badges {
    display: grid;
    gap: 1.5rem;
}

.cert-badge {
    background: #f7fafc;
    padding: 1.5rem;
    border-radius: 8px;
    border-left: 4px solid #3182ce;
}

.cert-badge strong {
    display: block;
    font-size: 1.3rem;
    color: #2c5282;
    margin-bottom: 0.5rem;
}

.cert-badge p {
    color: #4a5568;
    font-size: 0.95rem;
}

/* Contact Section */
.contact {
    padding: 5rem 0;
    background: #f7fafc;
}

.contact h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 1rem;
    color: #1a365d;
}

.contact-intro {
    text-align: center;
    font-size: 1.2rem;
    color: #4a5568;
    margin-bottom: 3rem;
}

.contact-form {
    max-width: 600px;
    margin: 0 auto;
    background: white;
    padding: 2.5rem;
    border-radius: 10px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    color: #2c5282;
    font-weight: 600;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 0.75rem;
    border: 2px solid #e2e8f0;
    border-radius: 5px;
    font-size: 1rem;
    font-family: inherit;
    transition: border-color 0.3s;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #3182ce;
}

.submit-button {
    width: 100%;
    background: #3182ce;
    color: white;
    padding: 1rem;
    border: none;
    border-radius: 5px;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.3s;
}

.submit-button:hover {
    background: #2c5282;
}

/* Footer */
footer {
    background: #1a365d;
    color: white;
    padding: 2rem 0;
    text-align: center;
}

.footer-note {
    margin-top: 0.5rem;
    color: #90cdf4;
    font-size: 0.9rem;
}

/* Form Messages */
.form-message {
    padding: 1rem;
    margin-bottom: 1.5rem;
    border-radius: 5px;
    font-weight: 500;
}

.form-message.success {
    background: #c6f6d5;
    color: #22543d;
    border: 2px solid #48bb78;
}

.form-message.error {
    background: #fed7d7;
    color: #742a2a;
    border: 2px solid #f56565;
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-menu {
        gap: 1rem;
        font-size: 0.9rem;
    }

    .hero h2 {
        font-size: 2rem;
    }

    .hero-subtitle {
        font-size: 1.1rem;
    }

    .service-grid,
    .credentials {
        grid-template-columns: 1fr;
    }
}