@import url('https://fonts.googleapis.com/css2?family=Roboto:wght@400;700&family=Roboto+Slab:wght@400;700&display=swap');

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

:root {
    --primary-color: #1e3a8a;
    --primary-dark: #1e40af;
    --primary-light: #3b82f6;
    --accent-color: #fbbf24;
    --accent-light: #fcd34d;
    --bg-light: #f8fafc;
    --text-dark: #1f2937;
    --text-light: #6b7280;
    --white: #ffffff;
    --border-color: #e5e7eb;
}

body {
    font-family: 'Roboto', sans-serif;
    font-size: 16px;
    line-height: 1.6;
    color: var(--text-dark);
    background-color: var(--white);
}

h1, h2, h3, h4, h5, h6 {
    font-family: 'Roboto Slab', serif;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 1rem;
    line-height: 1.3;
}

h1 {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
}

h2 {
    font-size: 2rem;
    margin-top: 2rem;
    margin-bottom: 1rem;
}

h3 {
    font-size: 1.75rem;
    margin-top: 1.75rem;
    margin-bottom: 0.875rem;
}

h4 {
    font-size: 1.5rem;
    margin-top: 1.5rem;
    margin-bottom: 0.75rem;
}

p {
    margin-bottom: 1rem;
    font-size: 16px;
    line-height: 1.6;
}

a {
    color: var(--primary-color);
    text-decoration: none;
    transition: color 0.3s ease;
}

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

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

.header {
    background-color: var(--primary-color);
    color: var(--white);
    padding: 1rem 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}

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

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

.logo img {
    height: 50px;
    width: auto;
}

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

.nav li {
    position: relative;
}

.nav a {
    color: var(--white);
    font-weight: 500;
    padding: 0.5rem 0;
    display: block;
    transition: color 0.3s ease;
    font-size: 15px;
}

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

.mobile-menu-toggle {
    display: none;
    background: none;
    border: none;
    color: var(--white);
    font-size: 1.5rem;
    cursor: pointer;
    padding: 0.5rem;
}

.banner {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--accent-color) 100%);
    color: var(--white);
    padding: 100px 0;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.banner::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(255,255,255,0.1);
    z-index: 1;
}

.banner-content {
    position: relative;
    z-index: 2;
}

.banner h1 {
    color: var(--white);
    font-size: 3rem;
    margin-bottom: 1.5rem;
}

.banner p {
    font-size: 1.25rem;
    margin-bottom: 2rem;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.main-content {
    padding: 3.5rem 0;
    background-color: var(--bg-light);
}

.content-section {
    background-color: var(--white);
    padding: 2rem;
    margin-bottom: 2rem;
    border-radius: 10px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.08);
    border-left: 4px solid var(--accent-color);
}

.content-section h2 {
    color: var(--primary-color);
    border-bottom: 2px solid var(--accent-color);
    padding-bottom: 0.75rem;
    margin-bottom: 1.5rem;
}

.content-section h3 {
    color: var(--accent-color);
    margin-top: 2rem;
}

.content-section ul, .content-section ol {
    margin-left: 2rem;
    margin-bottom: 1rem;
}

.content-section li {
    margin-bottom: 0.75rem;
    line-height: 1.6;
}

.content-section img {
    max-width: 100%;
    height: auto;
    border-radius: 10px;
    margin: 1.5rem 0;
    display: block;
    box-shadow: 0 3px 10px rgba(0,0,0,0.1);
}

.footer {
    background-color: var(--primary-dark);
    color: var(--white);
    padding: 3.5rem 0 1.25rem;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-column h4 {
    color: var(--accent-color);
    margin-bottom: 1.25rem;
    font-size: 1.25rem;
}

.footer-column ul {
    list-style: none;
}

.footer-column li {
    margin-bottom: 0.75rem;
}

.footer-column a {
    color: var(--white);
    transition: color 0.3s ease;
}

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

.social-links {
    display: flex;
    gap: 1.25rem;
    margin-top: 1.25rem;
}

.social-links a {
    display: inline-block;
    width: 40px;
    height: 40px;
    background-color: #1e40af;
    border-radius: 50%;
    text-align: center;
    line-height: 40px;
    transition: background-color 0.3s ease, transform 0.2s ease;
}

.social-links a:hover {
    background-color: var(--accent-color);
    transform: translateY(-2px);
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid #1e40af;
    color: var(--text-light);
}

.btn {
    display: inline-block;
    padding: 12px 30px;
    background-color: var(--accent-color);
    color: var(--text-dark);
    font-weight: 600;
    border-radius: 6px;
    transition: background-color 0.3s ease, transform 0.2s ease;
    border: none;
    cursor: pointer;
    text-align: center;
    min-width: 120px;
    min-height: 45px;
    font-size: 15px;
}

.btn:hover {
    background-color: var(--accent-light);
    transform: translateY(-2px);
    box-shadow: 0 3px 10px rgba(251,191,36,0.3);
}

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

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

.breadcrumb {
    padding: 1rem 0;
    background-color: var(--white);
    border-bottom: 1px solid var(--border-color);
}

.breadcrumb a {
    color: var(--text-light);
}

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

.breadcrumb span {
    color: var(--text-light);
    margin: 0 0.75rem;
}

.error-page {
    text-align: center;
    padding: 5rem 2rem;
}

.error-page h1 {
    font-size: 7rem;
    color: var(--primary-color);
    margin-bottom: 1.5rem;
}

.error-page h2 {
    margin-bottom: 1.5rem;
}

.error-page p {
    margin-bottom: 2rem;
    font-size: 1.25rem;
}

@media (max-width: 991px) {
    .nav {
        position: fixed;
        top: 70px;
        left: -100%;
        width: 100%;
        background-color: var(--primary-color);
        flex-direction: column;
        padding: 2rem;
        transition: left 0.3s ease;
        box-shadow: 2px 2px 8px rgba(0,0,0,0.1);
    }

    .nav.active {
        left: 0;
    }

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

    .banner h1 {
        font-size: 2.25rem;
    }

    .banner p {
        font-size: 1.1rem;
    }

    .footer-content {
        grid-template-columns: repeat(2, 1fr);
    }

    h1 {
        font-size: 2.25rem;
    }

    h2 {
        font-size: 1.875rem;
    }
}

@media (max-width: 767px) {
    .container {
        padding: 0 18px;
    }

    .banner {
        padding: 70px 0;
    }

    .banner h1 {
        font-size: 2rem;
    }

    .content-section {
        padding: 1.75rem;
    }

    .footer-content {
        grid-template-columns: 1fr;
    }

    h1 {
        font-size: 2rem;
    }

    h2 {
        font-size: 1.75rem;
    }

    h3 {
        font-size: 1.625rem;
    }
}

@media (max-width: 575px) {
    .banner h1 {
        font-size: 1.875rem;
    }

    .banner p {
        font-size: 1rem;
    }

    .content-section {
        padding: 1.5rem;
    }

    h1 {
        font-size: 1.875rem;
    }

    h2 {
        font-size: 1.625rem;
    }
}