/* Base styles */
:root {
    --primary-text: #111;
    --background-top: #ffffff;
    --background-footer: #2c3e50;
    --navbar-background: #ffffff;
    --navbar-shadow: rgba(0, 0, 0, 0.05);
}

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

body {
    font-family: 'Inter', sans-serif;
    color: var(--primary-text);
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

main {
    flex: 1;
    display: flex;
    flex-direction: column;
}

.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem 0;
}

/* Navbar */
.navbar {
    background-color: var(--navbar-background);
    box-shadow: 0 2px 10px var(--navbar-shadow);
    position: sticky;
    top: 0;
    z-index: 1000;
    padding: 1rem 0;
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.5rem 0;
    max-width: 1200px;
}

.navbar-brand {
    display: flex;
    align-items: center;
}

.navbar .logo {
    font-size: 2rem;
    margin: 0;
    padding-left: 0.5rem;
}

.logo-link {
    text-decoration: none;
    color: var(--primary-text);
}

.logo-link:hover {
    color: var(--primary-text);
}

.navbar-menu {
    display: flex;
    align-items: center;
}

.nav-link {
    color: var(--primary-text);
    text-decoration: none;
    font-weight: 500;
    padding: 0.5rem 1rem;
    transition: color 0.3s ease;
}

.nav-link:hover {
    color: #2c3e50;
}

/* Hero section (white top) */
.hero {
    background-color: var(--background-top);
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 4rem 0;
    min-height: 60vh;
}

.logo {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.coming-soon {
    font-size: 1.2rem;
    font-weight: 500;
    margin-bottom: 2rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.tagline {
    font-size: 1.2rem;
    font-weight: 400;
    margin-bottom: 0.5rem;
}

/* Footer section (navy blue) */
footer {
    background-color: var(--background-footer);
    padding: 3rem 0;
    color: white;
}

footer .container {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.mission {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
    font-size: 1.1rem;
    line-height: 1.7;
}

/* Social links */
.social-links {
    display: flex;
    justify-content: center;
    gap: 2rem;
    margin: 1rem 0;
}

.social-links a {
    color: white;
    font-size: 1.5rem;
    transition: opacity 0.3s ease;
}

.social-links a:hover {
    opacity: 0.7;
}

/* Mailchimp signup form */
.signup {
    max-width: 500px;
    margin: 0 auto;
    width: 100%;
}

#mc_embed_signup form {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

#mc_embed_signup label {
    font-weight: 500;
    margin-bottom: 0.5rem;
    text-align: center;
}

.input-group {
    display: flex;
    gap: 0.5rem;
}

#mc_embed_signup input.email {
    flex: 1;
    padding: 0.75rem;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-family: 'Inter', sans-serif;
    font-size: 1rem;
    transition: border-color 0.3s ease;
}

#mc_embed_signup input.email:focus {
    border-color: #2c3e50;
    outline: none;
}

#mc_embed_signup .button {
    background-color: var(--primary-text);
    color: white;
    border: none;
    border-radius: 4px;
    padding: 0.75rem 1.5rem;
    cursor: pointer;
    font-family: 'Inter', sans-serif;
    font-weight: 500;
    font-size: 1rem;
    transition: background-color 0.3s ease;
}

#mc_embed_signup .button:hover {
    background-color: #333;
}

/* Signup section in main content */
.signup-section {
    background-color: #f8f9fa;
    padding: 3rem 0;
    border-top: 1px solid #eee;
    border-bottom: 1px solid #eee;
}

.main-signup {
    max-width: 600px;
    margin: 0 auto;
    padding: 2rem;
    background-color: white;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.main-signup .signup-heading {
    font-size: 1.2rem;
    margin-bottom: 1rem;
    display: block;
    text-align: center;
    font-weight: 600;
}

.visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

.main-signup .input-group {
    margin-top: 1rem;
}

.main-signup input.email {
    padding: 1rem;
    font-size: 1.1rem;
    border: 1px solid #ddd;
    transition: border-color 0.3s ease;
}

.main-signup input.email:focus {
    border-color: #2c3e50;
    outline: none;
}

.main-signup .button {
    padding: 1rem 1.5rem;
    font-size: 1.1rem;
    background-color: #2c3e50;
    transition: background-color 0.3s ease, transform 0.2s ease;
}

.main-signup .button:hover {
    background-color: #1a2530;
    transform: translateY(-2px);
}

/* Page header */
.page-header {
    background-color: var(--background-top);
    padding: 3rem 0;
    text-align: center;
    border-bottom: 1px solid #eee;
}

.page-header h1 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.section-description {
    font-size: 1.2rem;
    max-width: 800px;
    margin: 0 auto;
    color: #555;
}

.learn-header {
    background-color: #f8f9fa;
}

/* Content section */
.content-section {
    padding: 3rem 0;
}

/* Card grid */
.card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.card {
    background-color: white;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    overflow: hidden;
    height: 100%;
    display: flex;
    flex-direction: column;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
}

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

.card-title {
    font-size: 1.4rem;
    margin-bottom: 1rem;
}

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

.card-title a:hover {
    color: #2c3e50;
}

.card-summary {
    color: #555;
    margin-bottom: 1.5rem;
    flex: 1;
}

.read-more {
    display: inline-block;
    color: #2c3e50;
    font-weight: 500;
    text-decoration: none;
    transition: color 0.3s ease;
    margin-top: auto;
}

.read-more:hover {
    color: #1a2530;
}

/* Pagination */
.pagination {
    display: flex;
    justify-content: center;
    gap: 0.5rem;
    margin: 2rem 0;
}

.pagination li {
    list-style: none;
}

.pagination a {
    display: inline-block;
    padding: 0.5rem 1rem;
    background-color: white;
    border: 1px solid #ddd;
    border-radius: 4px;
    color: var(--primary-text);
    text-decoration: none;
    transition: background-color 0.3s ease, color 0.3s ease;
}

.pagination a:hover {
    background-color: #f8f9fa;
}

.pagination .active a {
    background-color: #2c3e50;
    color: white;
    border-color: #2c3e50;
}

.pagination .disabled a {
    color: #aaa;
    cursor: not-allowed;
}

/* Single content page */
.single-content {
    padding: 3rem 0;
}

.content-header {
    margin-bottom: 2rem;
}

.content-header h1 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.content-summary {
    font-size: 1.2rem;
    color: #555;
    margin-bottom: 2rem;
}

.content-body {
    line-height: 1.8;
    font-size: 1.1rem;
}

.content-body h2 {
    margin-top: 2rem;
    margin-bottom: 1rem;
    font-size: 1.8rem;
}

.content-body h3 {
    margin-top: 1.5rem;
    margin-bottom: 0.8rem;
    font-size: 1.5rem;
}

.content-body p {
    margin-bottom: 1.5rem;
}

.content-body ul, .content-body ol {
    margin-bottom: 1.5rem;
    padding-left: 2rem;
}

.content-body li {
    margin-bottom: 0.5rem;
}

.content-body table {
    width: 100%;
    border-collapse: collapse;
    margin-bottom: 1.5rem;
}

.content-body th, .content-body td {
    padding: 0.75rem;
    border: 1px solid #ddd;
}

.content-body th {
    background-color: #f8f9fa;
    font-weight: 600;
}

.content-body blockquote {
    border-left: 4px solid #2c3e50;
    padding-left: 1rem;
    margin-left: 0;
    color: #555;
    font-style: italic;
    margin-bottom: 1.5rem;
}

.back-link {
    display: inline-block;
    margin-bottom: 1rem;
    color: #2c3e50;
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
}

.back-link:hover {
    color: #1a2530;
}

/* Responsive adjustments */
@media (max-width: 768px) {
    .navbar .logo {
        font-size: 1.8rem;
    }

    .logo {
        font-size: 2.5rem;
    }

    .coming-soon {
        font-size: 1.2rem;
    }

    .tagline {
        font-size: 1.4rem;
    }

    .input-group {
        flex-direction: column;
    }

    #mc_embed_signup .button {
        width: 100%;
    }

    .main-signup {
        padding: 1.5rem;
        max-width: 90%;
    }

    .main-signup .signup-heading {
        font-size: 1.1rem;
    }

    .card-grid {
        grid-template-columns: 1fr;
    }

    .page-header h1 {
        font-size: 2rem;
    }

    .section-description {
        font-size: 1.1rem;
    }

    .content-header h1 {
        font-size: 2rem;
    }

    .content-summary {
        font-size: 1.1rem;
    }
}