:root {
    --primary-color: #0a3d62;
    --secondary-color: #3c6364;
    --accent-color: #d1d8e0;
    --text-color: #2f3542;
    --light-bg: #f1f2f6;
    --white: #ffffff;
    --dark-bg: #2f3542;
    --transition: all 0.3s ease;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background-color: var(--white);
}

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

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

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 5%;
    height: 80px;
}

.logo {
    font-size: 1.5rem;
    font-weight: bold;
    color: var(--primary-color);
    display: flex;
    align-items: center;
    gap: 10px;
}

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

.nav-links {
    display: flex;
    list-style: none;
    gap: 30px;
}

.nav-links a {
    text-decoration: none;
    color: var(--text-color);
    font-weight: 500;
    transition: var(--transition);
}

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

.contact-info-top {
    font-weight: 600;
    color: var(--primary-color);
}

/* Hero Section */
.hero {
    height: 80vh;
    background: linear-gradient(rgba(10, 61, 98, 0.8), rgba(10, 61, 98, 0.8)), 
                url('images/hero-bg.jpg') center/cover no-repeat;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: var(--white);
    padding: 0 20px;
}

.hero-content h1 {
    font-size: 3.5rem;
    margin-bottom: 1rem;
}

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

.hero-btns {
    display: flex;
    justify-content: center;
    gap: 20px;
}

.btn-primary, .btn-secondary {
    padding: 12px 30px;
    text-decoration: none;
    border-radius: 5px;
    font-weight: 600;
    transition: var(--transition);
    display: inline-block;
}

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

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

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

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

/* Sections General */
section {
    padding: 80px 0;
}

.section-title {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 50px;
    color: var(--primary-color);
    position: relative;
}

.section-title::after {
    content: '';
    width: 80px;
    height: 4px;
    background: var(--secondary-color);
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
}

/* Services Section */
.services {
    background-color: var(--light-bg);
}

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

.service-card {
    background: var(--white);
    padding: 40px 30px;
    text-align: center;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.05);
    transition: var(--transition);
}

.service-card:hover {
    transform: translateY(-10px);
}

.service-card i {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: 20px;
}

.service-card h3 {
    margin-bottom: 15px;
}

/* Certification Section */
.cert-list {
    display: flex;
    justify-content: space-around;
    flex-wrap: wrap;
    gap: 30px;
}

.cert-item {
    display: flex;
    align-items: center;
    gap: 20px;
    background: var(--white);
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    width: 300px;
}

.cert-item img {
    width: 60px;
    height: 60px;
    border-radius: 5px;
}

/* Contact Section */
.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
}

.contact-info .info-item {
    display: flex;
    align-items: center;
    gap: 20px;
    margin-bottom: 25px;
}

.contact-info i {
    font-size: 1.5rem;
    color: var(--primary-color);
}

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

.contact-form input, .contact-form textarea {
    padding: 15px;
    border: 1px solid #ddd;
    border-radius: 5px;
    font-size: 1rem;
}

.contact-form button {
    cursor: pointer;
    border: none;
}

/* Footer */
footer {
    background-color: var(--dark-bg);
    color: var(--white);
    padding: 60px 0 20px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}

.footer-logo p {
    margin-top: 15px;
    font-size: 0.9rem;
    color: #bdc3c7;
}

.footer-links ul {
    list-style: none;
    margin-top: 15px;
}

.footer-links li {
    margin-bottom: 10px;
}

.footer-links a {
    color: #bdc3c7;
    text-decoration: none;
    transition: var(--transition);
}

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

.social-icons {
    display: flex;
    gap: 15px;
    margin-top: 15px;
}

.social-icons a {
    color: var(--white);
    font-size: 1.5rem;
    transition: var(--transition);
}

.social-icons a:hover {
    color: var(--accent-color);
}

.footer-bottom {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid #444;
    font-size: 0.8rem;
    color: #bdc3c7;
}

/* Responsive */
@media (max-width: 768px) {
    .nav-links {
        display: none;
    }
    .hero-content h1 {
        font-size: 2.5rem;
    }
    .contact-wrapper {
        grid-template-columns: 1fr;
    }
}