/* ---=== General Styles & Variables ===--- */
:root {
    --primary-color: #0A4D68;
    --secondary-color: #088395;
    --accent-color: #F39C12;
    --text-color: #333;
    --light-text-color: #fff;
    --bg-color: #f9f9f9;
    --card-bg: #fff;
    --border-color: #ddd;
    --shadow: 0 4px 8px rgba(0,0,0,0.1);
    --font-heading: 'Poppins', sans-serif;
    --font-body: 'Lato', sans-serif;
    --transition-speed: 0.3s ease;
}

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

body {
    font-family: var(--font-body);
    line-height: 1.6;
    color: var(--text-color);
    background-color: var(--bg-color);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

h1, h2, h3, h4 {
    font-family: var(--font-heading);
    color: var(--primary-color);
    line-height: 1.2;
    margin-bottom: 1rem;
}

h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; border-bottom: 2px solid var(--secondary-color); padding-bottom: 0.5rem; margin-top: 2rem;}
h3 { font-size: 1.5rem; color: var(--secondary-color); }
p { margin-bottom: 1rem; }
a { color: var(--secondary-color); text-decoration: none; transition: color var(--transition-speed); }
a:hover { color: var(--accent-color); }
ul, ol { margin-left: 1.5rem; margin-bottom: 1rem; }

/* ---=== Header & Navigation ===--- */
header {
    background-color: var(--primary-color);
    color: var(--light-text-color);
    padding: 1rem 0;
    box-shadow: 0 2px 5px rgba(0,0,0,0.2);
    position: sticky;
    top: 0;
    z-index: 1000;
}

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

header .logo a {
    font-family: var(--font-heading);
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--light-text-color);
}

header nav ul {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
}

header nav ul li {
    margin-left: 2rem;
}

header nav ul li a {
    color: var(--light-text-color);
    font-weight: 600;
    font-family: var(--font-heading);
    padding: 0.5rem 0;
    position: relative;
}

header nav ul li a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--accent-color);
    transition: width var(--transition-speed);
}

header nav ul li a:hover::after,
header nav ul li a.active::after {
    width: 100%;
}

/* ---=== Main Layout ===--- */
.main-layout {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
    padding-top: 2rem;
    padding-bottom: 2rem;
}

@media (min-width: 992px) {
    .main-layout {
        grid-template-columns: 3fr 1fr;
    }
}

/* ---=== Intro & Articles Grid ===--- */
.intro {
    background: var(--card-bg);
    padding: 2rem;
    border-radius: 8px;
    box-shadow: var(--shadow);
    margin-bottom: 2rem;
}

.intro h1 {
    margin-top: 0;
}

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

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

.card {
    background-color: var(--card-bg);
    border-radius: 8px;
    box-shadow: var(--shadow);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    padding: 1.5rem;
    transition: transform var(--transition-speed), box-shadow var(--transition-speed);
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 16px rgba(0,0,0,0.15);
}

.card h3 {
    margin-top: 0;
}

.card p {
    flex-grow: 1;
}

.btn, .btn-promo {
    display: inline-block;
    background-color: var(--secondary-color);
    color: var(--light-text-color);
    padding: 0.75rem 1.5rem;
    border-radius: 5px;
    text-align: center;
    font-weight: 600;
    transition: background-color var(--transition-speed);
    margin-top: 1rem;
    border: none;
    cursor: pointer;
}

.btn:hover, .btn-promo:hover {
    background-color: var(--accent-color);
    color: var(--light-text-color);
}

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


/* ---=== Sidebar ===--- */
.sidebar .widget {
    background-color: var(--card-bg);
    padding: 1.5rem;
    border-radius: 8px;
    box-shadow: var(--shadow);
    margin-bottom: 2rem;
}

.sidebar .widget h3 {
    margin-top: 0;
    border-bottom: 2px solid var(--border-color);
    padding-bottom: 0.5rem;
}

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

.sidebar .widget ul li {
    padding: 0.5rem 0;
    border-bottom: 1px solid #eee;
}

.sidebar .widget ul li:last-child {
    border-bottom: none;
}

.sidebar .widget ul li a::before {
    content: '»';
    margin-right: 0.5rem;
    color: var(--accent-color);
}


/* ---=== Article Page ===--- */
.article-full {
    background: var(--card-bg);
    padding: 2rem;
    border-radius: 8px;
    box-shadow: var(--shadow);
}

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

.article-header h1 {
    margin: 0 0 0.5rem 0;
}

.article-meta {
    font-size: 0.9rem;
    color: #777;
}

.article-meta span {
    margin-right: 1rem;
}

.cta-section {
    background-color: #eef7f8;
    border-left: 5px solid var(--secondary-color);
    padding: 1.5rem;
    margin: 2rem 0;
    border-radius: 5px;
}
.cta-section p { margin-bottom: 1rem; }

/* ---=== Offers, About, Contact Pages ===--- */
.page-content {
    background: var(--card-bg);
    padding: 2rem;
    border-radius: 8px;
    box-shadow: var(--shadow);
}

.page-content h1 {
    margin-top: 0;
}

.contact-form label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 700;
}
.contact-form input,
.contact-form textarea {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid var(--border-color);
    border-radius: 5px;
    margin-bottom: 1rem;
    font-family: var(--font-body);
}

.contact-form button {
    width: 100%;
}


/* ---=== Footer ===--- */
footer {
    background-color: #222;
    color: #ccc;
    text-align: center;
    padding: 2rem 0;
    margin-top: 2rem;
}

footer .footer-links a {
    color: #ccc;
    margin: 0 0.5rem;
}

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

footer p {
    margin-top: 1rem;
    margin-bottom: 0;
    font-size: 0.9rem;
}

/* ---=== Mobile Responsiveness ===--- */
@media (max-width: 768px) {
    header .container {
        flex-direction: column;
        text-align: center;
    }
    header nav ul {
        margin-top: 1rem;
    }
    header nav ul li {
        margin: 0 0.75rem;
    }
    h1 { font-size: 2rem; }
    h2 { font-size: 1.75rem; }
}