:root {
    --color-primary: #825415;
    /* brand primary */
    --color-primary-hover: #A0561A;
    /* hover for primary buttons/links */
    --color-background: #F2F2F2;
    /* page background */
    --color-light: #FFFFFF;
    /* light surface */
    --color-text: #1A1A1A;
    /* primary text */
    --color-muted: #000000;
    /* secondary text */
    --color-heading: #111111;
    /* headings */
    --color-accent: #FFD580;
    /* accent highlight */
    --max-width: 1200px;
    /* container max width */
    --transition-speed: 0.3s;
    /* for interactive elements */
}

/* Base Reset */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    transition: background-color var(--transition-speed),
        color var(--transition-speed),
        transform var(--transition-speed),
        box-shadow var(--transition-speed);
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    background-color: var(--color-background);
    color: var(--color-text);
    overflow-x: hidden;
}

/* --------------------------------------
       Utility & Global Classes
    -------------------------------------- */
.container {
    width: 90%;
    max-width: var(--max-width);
    margin: 0 auto;
}

h1,
h2,
h3,
h4 {
    margin-bottom: 0.5rem;
    color: var(--color-heading);
}

p {
    margin-bottom: 1rem;
    color: var(--color-muted);
}

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

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

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

button {
    cursor: pointer;
    border: none;
    outline: none;
    transition: background-color var(--transition-speed),
        transform var(--transition-speed),
        box-shadow var(--transition-speed);
    font-family: inherit;
}

/* --------------------------------------
       Header / Navbar
    -------------------------------------- */
header {
    background-color: var(--color-light);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
    position: sticky;
    top: 0;
    z-index: 100;
}

.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 0;
}

.logo {
    font-size: 1.5rem;
    font-weight: bold;
    color: var(--color-primary);
}

nav ul {
    list-style: none;
    display: flex;
    gap: 1.5rem;
    align-items: center;
}

nav li a {
    font-weight: 500;
    color: var(--color-text);
}

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

.mobile-toggle {
    display: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--color-text);
}

@media (max-width: 768px) {
    .mobile-toggle {
        display: block;
    }

    nav ul {
        display: none;
        position: absolute;
        top: 100%;
        right: 0;
        bottom: 0;
        width: 220px;
        background-color: var(--color-light);
        flex-direction: column;
        transform: translateX(100%);
        visibility: hidden;
        z-index: 200;
        overflow-y: auto;
        -webkit-overflow-scrolling: touch;
    }

    nav ul.open {
        display: flex;
        transform: translateX(0);
        visibility: visible;
    }

    nav li {
        padding: 1rem;
        border-bottom: 1px solid #e0e0e0;
    }

    nav {
        width: 100%;
    }
}

/* --------------------------------------
       Hero Blog Section
    -------------------------------------- */
.hero-blog {
    background-color: var(--color-primary);
    background-image: url('https://via.placeholder.com/1200x400?text=Voice+AI+Blog+Hero');
    background-size: cover;
    background-position: center;
    color: var(--color-light);
    padding: 6rem 0;
    text-align: center;
}

.hero-blog h1 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.hero-blog p {
    font-size: 1.125rem;
    max-width: 700px;
    margin: 0 auto;
    opacity: 0.9;
}

/* --------------------------------------
       Blog Content Layout
    -------------------------------------- */
main {
    padding: 4rem 0;
}

.blog-grid {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 2rem;
}

@media (max-width: 992px) {
    .blog-grid {
        grid-template-columns: 1fr;
    }
}

/* --------------------------------------
       Article Cards
    -------------------------------------- */
.blog-post {
    background-color: var(--color-light);
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
    margin-bottom: 2rem;
    display: flex;
    flex-direction: column;
}

.post-image {
    width: 100%;
    height: 200px;
    background-size: cover;
    background-position: center;
}

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

.post-content h2 {
    font-size: 1.5rem;
    margin-bottom: 0.75rem;
}

.post-content .meta {
    font-size: 0.875rem;
    color: var(--color-muted);
    margin-bottom: 1rem;
}

.post-content p {
    flex: 1;
    font-size: 1rem;
    margin-bottom: 1rem;
    color: var(--color-text);
}

.post-content a.read-more {
    align-self: flex-start;
    background-color: var(--color-primary);
    color: var(--color-light);
    padding: 0.5rem 1rem;
    border-radius: 4px;
    font-size: 0.9rem;
    transition: background-color var(--transition-speed), transform var(--transition-speed);
}

.post-content a.read-more:hover {
    background-color: var(--color-primary-hover);
    transform: scale(1.05);
}

/* --------------------------------------
       Sidebar Widgets
    -------------------------------------- */
aside {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.widget {
    background-color: var(--color-light);
    border-radius: 8px;
    padding: 1.5rem;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
}

.widget h3 {
    font-size: 1.25rem;
    margin-bottom: 1rem;
}

.widget ul {
    list-style: none;
}

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

.widget ul li a {
    font-size: 0.95rem;
    color: var(--color-text);
}

.widget ul li a:hover {
    color: var(--color-primary);
}

/* --------------------------------------
       Pagination
    -------------------------------------- */
.pagination {
    display: flex;
    list-style: none;
    gap: 0.5rem;
    margin: 2rem 0;
    justify-content: center;
}

.pagination li a {
    display: block;
    padding: 0.5rem 0.75rem;
    background-color: var(--color-light);
    border-radius: 4px;
    font-size: 0.9rem;
    color: var(--color-text);
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.1);
    transition: background-color var(--transition-speed), color var(--transition-speed);
}

.pagination li a:hover {
    background-color: var(--color-primary);
    color: var(--color-light);
}

.pagination li a.active {
    background-color: var(--color-primary-hover);
    color: var(--color-light);
}

/* --------------------------------------
       Footer
    -------------------------------------- */
footer {
    background-color: var(--color-primary);
    color: var(--color-light);
    padding: 3rem 0 1rem;
    margin-top: 4rem;
}

.footer-container {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    gap: 2rem;
}

.footer-about,
.footer-links,
.footer-contact {
    flex: 1 1 200px;
}

.footer-about img.footer-logo {
    display: block;
    margin-top: 1rem;
    max-width: 120px;
    height: auto;
}

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

.footer-links ul li {
    margin-bottom: 0.5rem;
}

.footer-links ul li a {
    color: var(--color-light);
    font-size: 0.9rem;
    transition: color var(--transition-speed);
}

.footer-links ul li a:hover {
    color: var(--color-light);
    opacity: 0.8;
}

.footer-contact h3 {
    margin-bottom: 0.5rem;
}

.footer-contact p {
    margin-bottom: 0.5rem;
}

.social-icons a {
    margin-right: 0.5rem;
    font-size: 1.2rem;
    color: var(--color-light);
    transition: color var(--transition-speed);
}

.social-icons a:hover {
    opacity: 0.8;
}

.download-buttons img {
    max-width: 120px;
    margin-right: 0.5rem;
    margin-top: 0.5rem;
}