* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

:root {
    --primary-color: #0066cc;
    --secondary-color: #f8f9fa;
    --accent-color: #ffcc00;
    --dark-color: #003366;
    --text-color: #333;
    --light-color: #fff;
}

body {
    background-color: var(--secondary-color);
    color: var(--text-color);
    line-height: 1.6;
}

.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 15px;
}

/* Header Styles */
header {
    background: linear-gradient(to right, var(--dark-color), var(--primary-color));
    color: var(--light-color);
    padding: 20px 0;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
}

.logo {
    display: flex;
    align-items: center;
}

.logo-text {
    font-size: 1.8rem;
    font-weight: bold;
    margin-left: 15px;
    line-height: 1.2;
}

.logo-symbol {
    display: flex;
    justify-content: center;
    align-items: center;
}

.header-info {
    text-align: right;
}

.journal-title {
    font-size: 1.3rem;
    margin-bottom: 5px;
    font-weight: 600;
}

.journal-issue {
    font-size: 1.4rem;
    color: var(--accent-color);
}

/* Navigation */
nav {
    background-color: var(--light-color);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    position: sticky;
    top: 0;
    z-index: 100;
}

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

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

.nav-links li {
    margin-left: 25px;
}

.nav-links a {
    text-decoration: none;
    color: var(--dark-color);
    font-weight: 600;
    padding: 15px 0;
    display: block;
    transition: color 0.3s;
    position: relative;
}

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

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 3px;
    background-color: var(--primary-color);
    transition: width 0.3s;
}

.nav-links a:hover::after {
    width: 100%;
}

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--dark-color);
    cursor: pointer;
}

/* Main Content */
.hero {
    /*background: url('https://images.unsplash.com/photo-1559757148-5c350d0d3c56?ixlib=rb-1.2.1&auto=format&fit=crop&w=1350&q=80') center/cover no-repeat;*/
    height: 400px;
    display: flex;
    align-items: center;
    position: relative;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 51, 102, 0.7);
}

.hero-content {
    position: relative;
    color: var(--light-color);
    max-width: 700px;
    z-index: 1;
}

.hero-title {
    font-size: 2.8rem;
    margin-bottom: 15px;
    line-height: 1.2;
}

.hero-subtitle {
    font-size: 1.3rem;
    margin-bottom: 25px;
    opacity: 0.9;
}

.btn2 {
    display: inline-block;
    background-color: var(--accent-color);
    color: var(--dark-color);
    padding: 12px 30px;
    border-radius: 5px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s;
    border: none;
    cursor: pointer;
}

.btn2:hover {
    background-color: #ffdb4d;
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

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

.section-title {
    text-align: center;
    color: var(--dark-color);
    font-size: 2.2rem;
    margin-bottom: 50px;
    position: relative;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -15px;
    left: 50%;
    transform: translateX(-50%);
    width: 100px;
    height: 4px;
    background-color: var(--accent-color);
}

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

.feature-card {
    background-color: var(--light-color);
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    transition: transform 0.3s;
}

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

.feature-img {
    height: 200px;
    overflow: hidden;
}

.feature-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s;
}

.feature-card:hover .feature-img img {
    transform: scale(1.05);
}

.feature-content {
    padding: 25px;
}

.feature-title {
    color: var(--dark-color);
    margin-bottom: 15px;
    font-size: 1.4rem;
}

/* Journal Info */
.journal-info {
    background-color: var(--light-color);
    padding: 40px;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    margin-top: 30px;
}

.current-issue {
    text-align: center;
    background-color: var(--dark-color);
    color: var(--light-color);
    padding: 25px;
    border-radius: 10px;
    margin-bottom: 40px;
}

.issue-number {
    font-size: 2.5rem;
    color: var(--accent-color);
    font-weight: bold;
    margin: 10px 0;
}

/* Footer */
footer {
    background-color: var(--dark-color);
    color: var(--light-color);
    padding: 60px 0 30px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}

.footer-title {
    color: var(--accent-color);
    margin-bottom: 20px;
    font-size: 1.3rem;
}

.footer-logo {
    font-size: 2rem;
    font-weight: bold;
    color: var(--light-color);
    margin-bottom: 15px;
    display: flex;
    align-items: center;
}

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

.social-icons {
    display: flex;
    margin-top: 20px;
}

.social-icons a {
    display: flex;
    justify-content: center;
    align-items: center;
    width: 40px;
    height: 40px;
    background-color: rgba(255, 255, 255, 0.1);
    color: var(--light-color);
    border-radius: 50%;
    margin-right: 10px;
    transition: all 0.3s;
    text-decoration: none;
}

.social-icons a:hover {
    background-color: var(--accent-color);
    color: var(--dark-color);
    transform: translateY(-5px);
}

.copyright {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    font-size: 0.9rem;
    opacity: 0.8;
}


/* Responsive Styles */
@media (max-width: 992px) {
    .hero-title {
        font-size: 2.2rem;
    }

    .section {
        padding: 60px 0;
    }
}

@media (max-width: 768px) {
    .header-content {
        flex-direction: column;
        text-align: center;
    }

    .header-info {
        text-align: center;
        margin-top: 15px;
    }

    .mobile-menu-btn {
        display: block;
    }

    .nav-links {
        position: fixed;
        top: 70px;
        left: -100%;
        flex-direction: column;
        background-color: var(--light-color);
        width: 100%;
        text-align: center;
        transition: 0.3s;
        box-shadow: 0 10px 27px rgba(0, 0, 0, 0.05);
        padding: 20px 0;
    }

    .nav-links.active {
        left: 0;
    }

    .nav-links li {
        margin: 10px 0;
    }

    .hero {
        height: 300px;
    }

    .hero-title {
        font-size: 1.8rem;
    }

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

@media (max-width: 480px) {
    .journal-title {
        font-size: 1.2rem;
    }

    .section-title {
        font-size: 1.8rem;
    }

    .feature-card {
        margin-bottom: 20px;
    }
}