/* --- Google Font Import --- */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;600;700&display=swap');

/* --- CSS Variables (ClearType Theme) --- */
:root {
    --primary-color: #007BFF;
    --primary-hover-color: #0056b3;
    --text-color-dark: #212529;
    --text-color-light: #6c757d;
    --background-color: #ffffff;
    --card-background-color: #f8f9fa;
    --border-color: #dee2e6;
    --header-footer-bg: #e9ecef;
    --font-family: 'Inter', sans-serif;
    --container-width: 1100px;
    --border-radius: 8px;
    --box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
    --transition-speed: 0.3s ease;
}

/* --- General & Reset Styles --- */
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: var(--font-family);
    line-height: 1.7;
    color: var(--text-color-dark);
    background-color: var(--background-color);
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

.container {
    width: 90%;
    max-width: var(--container-width);
    margin: 0 auto;
}

h1, h2, h3, h4 {
    margin-bottom: 0.75rem;
    line-height: 1.3;
    font-weight: 700;
    color: var(--text-color-dark);
}

h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.5rem; }
p { margin-bottom: 1rem; color: var(--text-color-light); }

a {
    color: var(--primary-color);
    text-decoration: none;
    transition: color var(--transition-speed);
}

a:hover {
    color: var(--primary-hover-color);
    text-decoration: underline;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

ul, ol {
    margin-bottom: 1rem;
    padding-left: 20px;
}

li {
    margin-bottom: 0.5rem;
}

/* --- Header & Navigation --- */
.site-header {
    background-color: var(--header-footer-bg);
    padding: 1.5rem 0;
    border-bottom: 1px solid var(--border-color);
}

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

.site-title {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--text-color-dark);
    margin: 0;
}

.site-title a {
    color: inherit;
    text-decoration: none;
}

.main-nav ul {
    list-style: none;
    display: flex;
    flex-wrap: wrap;
    gap: 1.5rem;
    padding: 0;
    margin: 0;
}

.main-nav a {
    font-weight: 600;
    font-size: 1rem;
    text-decoration: none;
    padding-bottom: 5px;
    border-bottom: 2px solid transparent;
    transition: border-color var(--transition-speed), color var(--transition-speed);
}

.main-nav a:hover,
.main-nav a.active {
    color: var(--primary-color);
    border-bottom-color: var(--primary-color);
}

/* --- Main Content & Layout --- */
.main-content {
    flex: 1;
    padding: 2.5rem 0;
}

.layout-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2.5rem;
}

@media (min-width: 992px) {
    .layout-grid {
        grid-template-columns: 2.5fr 1fr;
    }
}

/* --- Homepage Intro & Articles --- */
.intro-section {
    margin-bottom: 3rem;
    text-align: center;
}

.intro-section h1 {
    margin-bottom: 1rem;
}

.intro-section p {
    font-size: 1.1rem;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.articles-grid {
    display: grid;
    gap: 1.5rem;
    grid-template-columns: 1fr;
}

@media (min-width: 768px) {
    .articles-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

.article-card {
    background-color: var(--card-background-color);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    box-shadow: var(--box-shadow);
    transition: transform var(--transition-speed), box-shadow var(--transition-speed);
}

.article-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 15px rgba(0, 0, 0, 0.08);
}

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

.card-content h3 {
    font-size: 1.25rem;
    margin-bottom: 0.5rem;
}

.card-content h3 a {
    color: var(--text-color-dark);
    text-decoration: none;
}

.card-content p {
    flex-grow: 1;
    margin-bottom: 1.5rem;
}

.read-more-btn {
    display: inline-block;
    background-color: var(--primary-color);
    color: white;
    padding: 0.6rem 1.2rem;
    border-radius: 5px;
    text-decoration: none;
    font-weight: 600;
    text-align: center;
    transition: background-color var(--transition-speed);
    align-self: flex-start;
}

.read-more-btn:hover {
    background-color: var(--primary-hover-color);
    color: white;
    text-decoration: none;
}

/* --- Sidebar --- */
.sidebar-widget {
    background-color: var(--card-background-color);
    padding: 1.5rem;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    margin-bottom: 2rem;
}

.sidebar-widget h4 {
    font-size: 1.2rem;
    padding-bottom: 0.75rem;
    border-bottom: 1px solid var(--border-color);
    margin-bottom: 1rem;
}

.sidebar-widget ul {
    list-style: none;
    padding: 0;
}

.sidebar-widget ul li {
    margin-bottom: 0.75rem;
}

.sidebar-widget ul a {
    font-weight: 600;
    text-decoration: none;
}

.sidebar-widget p {
    font-size: 0.95rem;
    margin-bottom: 0;
}

/* --- Article Page --- */
.article-full-content {
    background-color: var(--background-color);
    padding: 2rem;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
}

.article-header {
    margin-bottom: 2rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--border-color);
}

.article-header h1 {
    margin-bottom: 0.5rem;
}

.article-meta {
    font-size: 0.9rem;
    color: var(--text-color-light);
}

.article-content h2, .article-content h3 {
    margin-top: 2rem;
}

.article-content strong {
    color: var(--text-color-dark);
    font-weight: 600;
}

.cta-section {
    margin-top: 2.5rem;
    padding: 1.5rem;
    background-color: var(--card-background-color);
    border: 1px solid var(--border-color);
    border-left: 5px solid var(--primary-color);
    border-radius: var(--border-radius);
    text-align: center;
}

.cta-section h3 {
    margin-top: 0;
}

/* --- Sub-pages (About, Contact, Offers) --- */
.page-content {
    background: var(--card-background-color);
    padding: 2rem;
    border-radius: var(--border-radius);
    border: 1px solid var(--border-color);
}

.page-content h1 {
    border-bottom: 2px solid var(--primary-color);
    display: inline-block;
    padding-bottom: 0.5rem;
    margin-bottom: 1.5rem;
}

.contact-form {
    margin-top: 2rem;
}
.contact-form .form-group {
    margin-bottom: 1.5rem;
}
.contact-form label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
}
.contact-form input, .contact-form textarea {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid var(--border-color);
    border-radius: 5px;
    font-family: inherit;
    font-size: 1rem;
}
.contact-form input:focus, .contact-form textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(0, 123, 255, 0.25);
}
.contact-form button {
    cursor: pointer;
    border: none;
    display: inline-block;
    background-color: var(--primary-color);
    color: white;
    padding: 0.8rem 1.5rem;
    border-radius: 5px;
    text-decoration: none;
    font-weight: 600;
    font-size: 1rem;
    transition: background-color var(--transition-speed);
}
.contact-form button:hover {
    background-color: var(--primary-hover-color);
}


/* --- Footer --- */
.site-footer {
    background-color: var(--header-footer-bg);
    color: var(--text-color-light);
    padding: 2rem 0;
    margin-top: auto;
    border-top: 1px solid var(--border-color);
    font-size: 0.9rem;
}

.footer-content {
    text-align: center;
}

.footer-content .quick-links {
    margin-top: 1rem;
    list-style: none;
    padding: 0;
    display: flex;
    justify-content: center;
    gap: 1.5rem;
    flex-wrap: wrap;
}

.footer-content .quick-links a {
    color: var(--text-color-light);
    text-decoration: none;
}

.footer-content .quick-links a:hover {
    color: var(--primary-color);
    text-decoration: underline;
}

/* --- Mobile Navigation --- */
@media (max-width: 768px) {
    .header-content {
        flex-direction: column;
        gap: 1rem;
    }
    .main-nav ul {
        justify-content: center;
        width: 100%;
    }
}