:root {
    --primary-color: #0056b3;
    --secondary-color: #0a192f;
    --accent-color: #00d4ff;
    --text-color: #333;
    --light-bg: #f8f9fa;
    --dark-bg: #112240;
    --white: #ffffff;
    --font-main: 'Inter', sans-serif;
}

body {
    font-family: var(--font-main);
    color: var(--text-color);
    line-height: 1.6;
    margin: 0;
    padding: 0;
    overflow-x: hidden;
}

/* Navigation */
.navbar {
    background-color: var(--white);
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    padding: 1rem 0;
}

.navbar-brand {
    font-weight: 700;
    font-size: 1.5rem;
    color: var(--secondary-color) !important;
}

.nav-link {
    color: var(--secondary-color) !important;
    font-weight: 500;
    margin-left: 1rem;
    transition: color 0.3s;
}

.nav-link:hover {
    color: var(--primary-color) !important;
}

.btn-primary {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
    padding: 0.6rem 1.5rem;
    font-weight: 600;
    transition: all 0.3s ease;
}

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

/* Hero Section */
.hero-section {
    background: linear-gradient(rgba(10, 25, 47, 0.9), rgba(10, 25, 47, 0.9)), url('../image/hero-bg.jpg');
    background-size: cover;
    background-position: center;
    color: var(--white);
    padding: 100px 0;
    min-height: 600px;
    display: flex;
    align-items: center;
}

.hero-content h1 {
    font-size: 3.5rem;
    font-weight: 800;
    margin-bottom: 1.5rem;
    line-height: 1.2;
}

.hero-content p {
    font-size: 1.25rem;
    margin-bottom: 2rem;
    color: #cbd5e1;
}

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

.section-title {
    text-align: center;
    margin-bottom: 3rem;
}

.section-title h2 {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--secondary-color);
    margin-bottom: 1rem;
}

.section-title p {
    color: #666;
    max-width: 600px;
    margin: 0 auto;
}

/* Services */
.service-card {
    background: var(--white);
    padding: 2rem;
    border-radius: 8px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.05);
    transition: transform 0.3s ease;
    height: 100%;
    border: 1px solid #eee;
}

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

.service-icon {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 1.5rem;
}

.service-card h3 {
    margin-bottom: 1rem;
    font-weight: 700;
}

/* About Section */
.about-img {
    border-radius: 8px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
}

/* Footer */
footer {
    background-color: var(--secondary-color);
    color: #a8b2d1;
    padding: 60px 0 20px;
}

footer h5 {
    color: var(--white);
    margin-bottom: 1.5rem;
    font-weight: 700;
}

footer ul {
    list-style: none;
    padding: 0;
}

footer ul li {
    margin-bottom: 0.8rem;
}

footer a {
    color: #a8b2d1;
    text-decoration: none;
    transition: color 0.3s;
}

footer a:hover {
    color: var(--accent-color);
}

.footer-bottom {
    margin-top: 40px;
    padding-top: 20px;
    border-top: 1px solid rgba(255,255,255,0.1);
    text-align: center;
}

/* Blog Styles */
.blog-card {
    border: none;
    box-shadow: 0 5px 15px rgba(0,0,0,0.05);
    transition: transform 0.3s;
    height: 100%;
    display: flex;
    flex-direction: column;
}

.blog-card:hover {
    transform: translateY(-5px);
}

.blog-card img {
    height: 200px;
    object-fit: cover;
    border-radius: 8px 8px 0 0;
}

.blog-content {
    padding: 1.5rem;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
}

.blog-title {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--secondary-color);
}

.blog-meta {
    font-size: 0.9rem;
    color: #888;
    margin-bottom: 1rem;
}

.blog-excerpt {
    color: #555;
    margin-bottom: 1.5rem;
    flex-grow: 1;
}

.read-more {
    color: var(--primary-color);
    font-weight: 600;
    text-decoration: none;
    margin-top: auto;
}

/* Article Page */
.article-header {
    background-color: var(--light-bg);
    padding: 60px 0;
    margin-bottom: 40px;
    text-align: center;
}

.article-content {
    max-width: 800px;
    margin: 0 auto;
    font-size: 1.1rem;
    line-height: 1.8;
}

.article-content img {
    max-width: 100%;
    height: auto;
    border-radius: 8px;
    margin: 2rem 0;
}

.article-content h2 {
    color: var(--secondary-color);
    margin-top: 2rem;
    margin-bottom: 1rem;
}

/* Contact Page */
.contact-info-item {
    display: flex;
    align-items: flex-start;
    margin-bottom: 2rem;
}

.contact-icon {
    background-color: rgba(0, 86, 179, 0.1);
    color: var(--primary-color);
    width: 50px;
    height: 50px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    margin-right: 1rem;
}