/*
Theme Name: Progress
Theme URI: https://example.com/progress
Author: Your Name
Author URI: https://example.com
Description: A professional, minimalist WordPress theme inspired by editorial design. Features typography-first approach, card-based layouts, and color-coded categories.
Version: 1.0.0
Requires at least: 5.0
Tested up to: 6.4
Requires PHP: 7.4
License: GNU General Public License v2 or later
License URI: http://www.gnu.org/licenses/gpl-2.0.html
Text Domain: progress
Tags: blog, one-column, two-columns, custom-logo, custom-menu, featured-images, threaded-comments, translation-ready
*/

/* ==========================================================================
   CSS Variables
   ========================================================================== */

:root {
    /* Colors */
    --color-background: #fff7f4;
    --color-text: #121212;
    --color-text-light: #555555;
    --color-accent: #e20a39;
    --color-border: #121212;
    --color-white: #ffffff;

    /* Category Colors */
    --color-cat-gold: #d4a012;
    --color-cat-sage: #5a7c65;
    --color-cat-red: #e20a39;
    --color-cat-navy: #1a365d;
    --color-cat-purple: #6b46c1;
    --color-cat-teal: #0d9488;

    /* Typography */
    --font-serif: 'Source Serif Pro', Georgia, 'Times New Roman', serif;
    --font-mono: 'IBM Plex Mono', 'Courier New', monospace;
    --font-size-base: 18px;
    --font-size-small: 14px;
    --font-size-xs: 12px;
    --font-size-h1: 3rem;
    --font-size-h2: 2.25rem;
    --font-size-h3: 1.75rem;
    --font-size-h4: 1.25rem;
    --line-height-base: 1.7;
    --line-height-heading: 1.2;

    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;

    /* Layout */
    --max-width: 1200px;
    --content-width: 700px;
    --border-width: 1px;
    --border-radius: 0;
}

/* ==========================================================================
   Reset & Base Styles
   ========================================================================== */

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

html {
    font-size: var(--font-size-base);
    scroll-behavior: smooth;
}

body {
    margin: 0;
    padding: 0;
    font-family: var(--font-serif);
    font-size: 1rem;
    line-height: var(--line-height-base);
    color: var(--color-text);
    background-color: var(--color-background);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

a {
    color: var(--color-accent);
    text-decoration: none;
    transition: color 0.2s ease;
}

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

/* ==========================================================================
   Typography
   ========================================================================== */

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-serif);
    font-weight: 700;
    line-height: var(--line-height-heading);
    margin-top: 0;
    margin-bottom: var(--spacing-sm);
}

h1 { font-size: var(--font-size-h1); }
h2 { font-size: var(--font-size-h2); }
h3 { font-size: var(--font-size-h3); }
h4 { font-size: var(--font-size-h4); }

p {
    margin-top: 0;
    margin-bottom: var(--spacing-md);
}

.mono {
    font-family: var(--font-mono);
}

/* ==========================================================================
   Layout
   ========================================================================== */

.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

.content-width {
    max-width: var(--content-width);
}

/* ==========================================================================
   Header
   ========================================================================== */

.site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background-color: var(--color-background);
    border-bottom: var(--border-width) solid var(--color-border);
}

.header-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-md) 0;
}

.site-branding {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.site-title {
    font-family: var(--font-mono);
    font-size: var(--font-size-h4);
    font-weight: 700;
    margin: 0;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.site-title a {
    color: var(--color-text);
}

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

.custom-logo {
    max-height: 40px;
    width: auto;
}

/* Navigation */
.main-navigation {
    display: flex;
    align-items: center;
}

.nav-menu {
    display: flex;
    list-style: none;
    margin: 0;
    padding: 0;
    gap: var(--spacing-lg);
}

.nav-menu li {
    margin: 0;
}

.nav-menu a {
    font-family: var(--font-mono);
    font-size: var(--font-size-small);
    color: var(--color-text);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    padding: var(--spacing-xs) 0;
    border-bottom: 2px solid transparent;
    transition: border-color 0.2s ease;
}

.nav-menu a:hover,
.nav-menu .current-menu-item a {
    border-bottom-color: var(--color-accent);
}

/* Mobile Menu Toggle */
.menu-toggle {
    display: none;
    background: none;
    border: var(--border-width) solid var(--color-border);
    padding: var(--spacing-xs) var(--spacing-sm);
    font-family: var(--font-mono);
    font-size: var(--font-size-small);
    text-transform: uppercase;
    cursor: pointer;
}

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

    .nav-menu {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        flex-direction: column;
        background-color: var(--color-background);
        border-bottom: var(--border-width) solid var(--color-border);
        padding: var(--spacing-md);
        gap: var(--spacing-sm);
    }

    .nav-menu.toggled {
        display: flex;
    }

    .main-navigation {
        position: relative;
    }
}

/* Header Right (Nav + Search) */
.header-right {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
}

/* ==========================================================================
   Header Search
   ========================================================================== */

.header-search {
    position: relative;
}

.header-search-form {
    display: flex;
    align-items: center;
    border: var(--border-width) solid var(--color-border);
    background-color: var(--color-white);
}

.header-search-form .search-field {
    width: 180px;
    padding: var(--spacing-xs) var(--spacing-sm);
    border: none;
    font-family: var(--font-mono);
    font-size: var(--font-size-small);
    background: transparent;
    color: var(--color-text);
}

.header-search-form .search-field:focus {
    outline: none;
    width: 240px;
}

.header-search-form .search-field::placeholder {
    color: var(--color-text-light);
    font-size: var(--font-size-xs);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.header-search-form .search-submit {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-xs);
    background: none;
    border: none;
    border-left: var(--border-width) solid var(--color-border);
    color: var(--color-text);
    cursor: pointer;
    transition: color 0.2s ease, background-color 0.2s ease;
}

.header-search-form .search-submit:hover {
    background-color: var(--color-text);
    color: var(--color-white);
}

@media (max-width: 768px) {
    .header-search-form .search-field {
        width: 120px;
    }

    .header-search-form .search-field:focus {
        width: 160px;
    }

    .search-close {
        top: var(--spacing-sm);
        right: var(--spacing-sm);
    }
}

/* ==========================================================================
   Post Cards
   ========================================================================== */

.posts-grid {
    display: grid;
    gap: var(--spacing-lg);
}

.posts-grid--two-col {
    grid-template-columns: repeat(2, 1fr);
}

@media (max-width: 768px) {
    .posts-grid--two-col {
        grid-template-columns: 1fr;
    }
}

.post-card {
    border: var(--border-width) solid var(--color-border);
    background-color: var(--color-white);
    padding: var(--spacing-lg);
    display: flex;
    flex-direction: column;
}

.post-card--featured {
    grid-column: 1 / -1;
}

.post-card--featured .post-card__title {
    font-size: var(--font-size-h2);
}

.post-card__category {
    font-family: var(--font-mono);
    font-size: var(--font-size-xs);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: var(--spacing-sm);
    display: inline-block;
    padding: var(--spacing-xs) var(--spacing-sm);
    border: var(--border-width) solid currentColor;
}

/* Category Colors */
.cat-color-1 { color: var(--color-cat-gold); }
.cat-color-2 { color: var(--color-cat-sage); }
.cat-color-3 { color: var(--color-cat-red); }
.cat-color-4 { color: var(--color-cat-navy); }
.cat-color-5 { color: var(--color-cat-purple); }
.cat-color-6 { color: var(--color-cat-teal); }

.post-card__title {
    font-size: var(--font-size-h3);
    margin-bottom: var(--spacing-sm);
}

.post-card__title a {
    color: var(--color-text);
}

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

.post-card__excerpt {
    color: var(--color-text-light);
    margin-bottom: var(--spacing-md);
    flex-grow: 1;
}

.post-card__meta {
    font-family: var(--font-mono);
    font-size: var(--font-size-xs);
    color: var(--color-text-light);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    display: flex;
    gap: var(--spacing-md);
    padding-top: var(--spacing-md);
    border-top: var(--border-width) solid var(--color-border);
}

.post-card__thumbnail {
    margin: calc(var(--spacing-lg) * -1);
    margin-bottom: var(--spacing-lg);
}

.post-card__thumbnail img {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.post-card--featured .post-card__thumbnail img {
    height: 400px;
}

@media (max-width: 768px) {
    .post-card__thumbnail img {
        height: 150px;
    }

    .post-card--featured .post-card__thumbnail img {
        height: 200px;
    }
}

/* ==========================================================================
   Single Post
   ========================================================================== */

.single-post {
    padding: var(--spacing-2xl) 0;
}

.post-header {
    max-width: var(--content-width);
    margin: 0 auto var(--spacing-xl);
    text-align: center;
}

.post-header__category {
    font-family: var(--font-mono);
    font-size: var(--font-size-xs);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: var(--spacing-md);
    display: inline-block;
    padding: var(--spacing-xs) var(--spacing-sm);
    border: var(--border-width) solid currentColor;
}

.post-header__title {
    font-size: var(--font-size-h1);
    margin-bottom: var(--spacing-md);
}

.post-header__meta {
    font-family: var(--font-mono);
    font-size: var(--font-size-small);
    color: var(--color-text-light);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

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

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

.post-featured-image {
    max-width: 900px;
    margin: 0 auto var(--spacing-xl);
}

.post-featured-image img {
    width: 100%;
    height: auto;
}

.post-content {
    max-width: var(--content-width);
    margin: 0 auto;
}

.post-content p,
.post-content ul,
.post-content ol {
    margin-bottom: var(--spacing-md);
}

.post-content h2 {
    margin-top: var(--spacing-xl);
}

.post-content h3,
.post-content h4 {
    margin-top: var(--spacing-lg);
}

.post-content blockquote {
    margin: var(--spacing-lg) 0;
    padding-left: var(--spacing-lg);
    border-left: 3px solid var(--color-accent);
    font-style: italic;
}

.post-content pre {
    background-color: var(--color-text);
    color: var(--color-white);
    padding: var(--spacing-md);
    overflow-x: auto;
    font-family: var(--font-mono);
    font-size: var(--font-size-small);
    margin-bottom: var(--spacing-md);
}

.post-content code {
    font-family: var(--font-mono);
    font-size: 0.9em;
    background-color: rgba(0, 0, 0, 0.05);
    padding: 0.2em 0.4em;
}

.post-content pre code {
    background: none;
    padding: 0;
}

/* Author Bio */
.author-bio {
    max-width: var(--content-width);
    margin: var(--spacing-2xl) auto;
    padding: var(--spacing-lg);
    border: var(--border-width) solid var(--color-border);
    background-color: var(--color-white);
    display: flex;
    gap: var(--spacing-lg);
    align-items: flex-start;
}

.author-bio__avatar {
    flex-shrink: 0;
}

.author-bio__avatar img {
    border-radius: 50%;
    width: 80px;
    height: 80px;
}

.author-bio__name {
    font-family: var(--font-mono);
    font-size: var(--font-size-small);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: var(--spacing-xs);
}

.author-bio__description {
    color: var(--color-text-light);
    margin: 0;
}

@media (max-width: 768px) {
    .author-bio {
        flex-direction: column;
        text-align: center;
        align-items: center;
    }
}

/* Related Posts */
.related-posts {
    max-width: var(--max-width);
    margin: var(--spacing-2xl) auto;
    padding: var(--spacing-xl) 0;
    border-top: var(--border-width) solid var(--color-border);
}

.related-posts__title {
    font-family: var(--font-mono);
    font-size: var(--font-size-small);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: var(--spacing-lg);
}

/* ==========================================================================
   Page Styles
   ========================================================================== */

.page-content {
    padding: var(--spacing-2xl) 0;
}

.page-header {
    max-width: var(--content-width);
    margin: 0 auto var(--spacing-xl);
}

.page-header__title {
    font-size: var(--font-size-h1);
}

.page-body {
    max-width: var(--content-width);
    margin: 0 auto;
}

/* ==========================================================================
   Archive Styles
   ========================================================================== */

.archive-header {
    padding: var(--spacing-xl) 0;
    margin-bottom: var(--spacing-lg);
    border-bottom: var(--border-width) solid var(--color-border);
}

.archive-header__label {
    font-family: var(--font-mono);
    font-size: var(--font-size-xs);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-text-light);
    margin-bottom: var(--spacing-xs);
}

.archive-header__title {
    font-size: var(--font-size-h2);
    margin: 0;
}

.archive-header__description {
    color: var(--color-text-light);
    margin-top: var(--spacing-sm);
    max-width: var(--content-width);
}

/* ==========================================================================
   Comments
   ========================================================================== */

.comments-area {
    max-width: var(--content-width);
    margin: var(--spacing-2xl) auto;
    padding-top: var(--spacing-xl);
    border-top: var(--border-width) solid var(--color-border);
}

.comments-title {
    font-family: var(--font-mono);
    font-size: var(--font-size-small);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: var(--spacing-lg);
}

.comment-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.comment {
    padding: var(--spacing-lg) 0;
    border-bottom: var(--border-width) solid var(--color-border);
}

.comment-author {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-sm);
}

.comment-author img {
    border-radius: 50%;
    width: 40px;
    height: 40px;
}

.comment-author .fn {
    font-family: var(--font-mono);
    font-size: var(--font-size-small);
    font-weight: 700;
}

.comment-metadata {
    font-family: var(--font-mono);
    font-size: var(--font-size-xs);
    color: var(--color-text-light);
    margin-bottom: var(--spacing-sm);
}

.comment-content {
    color: var(--color-text-light);
}

.comment-reply-link {
    font-family: var(--font-mono);
    font-size: var(--font-size-xs);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* Comment Form */
.comment-respond {
    margin-top: var(--spacing-xl);
}

.comment-reply-title {
    font-family: var(--font-mono);
    font-size: var(--font-size-small);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: var(--spacing-md);
}

.comment-form label {
    display: block;
    font-family: var(--font-mono);
    font-size: var(--font-size-xs);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: var(--spacing-xs);
}

.comment-form input[type="text"],
.comment-form input[type="email"],
.comment-form input[type="url"],
.comment-form textarea {
    width: 100%;
    padding: var(--spacing-sm);
    border: var(--border-width) solid var(--color-border);
    background-color: var(--color-white);
    font-family: var(--font-serif);
    font-size: 1rem;
    margin-bottom: var(--spacing-md);
}

.comment-form textarea {
    min-height: 150px;
    resize: vertical;
}

.comment-form input:focus,
.comment-form textarea:focus {
    outline: none;
    border-color: var(--color-accent);
}

.comment-form .submit {
    font-family: var(--font-mono);
    font-size: var(--font-size-small);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    padding: var(--spacing-sm) var(--spacing-lg);
    background-color: var(--color-text);
    color: var(--color-white);
    border: none;
    cursor: pointer;
    transition: background-color 0.2s ease;
}

.comment-form .submit:hover {
    background-color: var(--color-accent);
}

/* ==========================================================================
   Footer
   ========================================================================== */

.site-footer {
    border-top: var(--border-width) solid var(--color-border);
    padding: var(--spacing-xl) 0;
    margin-top: var(--spacing-2xl);
}

.footer-widgets {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-lg);
    padding-bottom: var(--spacing-xl);
    border-bottom: var(--border-width) solid var(--color-border);
    margin-bottom: var(--spacing-lg);
}

@media (max-width: 768px) {
    .footer-widgets {
        grid-template-columns: 1fr;
    }
}

.footer-widget {
    padding: var(--spacing-lg);
    border: var(--border-width) solid var(--color-border);
}

.footer-widget__title {
    font-family: var(--font-mono);
    font-size: var(--font-size-xs);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: var(--spacing-md);
}

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

.footer-widget li {
    margin-bottom: var(--spacing-xs);
}

.footer-widget a {
    color: var(--color-text);
    font-size: var(--font-size-small);
}

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

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-family: var(--font-mono);
    font-size: var(--font-size-xs);
    color: var(--color-text-light);
}

@media (max-width: 768px) {
    .footer-bottom {
        flex-direction: column;
        gap: var(--spacing-sm);
        text-align: center;
    }
}

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

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

/* ==========================================================================
   Sidebar
   ========================================================================== */

.sidebar {
    padding: var(--spacing-lg);
    border: var(--border-width) solid var(--color-border);
    background-color: var(--color-white);
}

.widget {
    margin-bottom: var(--spacing-lg);
    padding-bottom: var(--spacing-lg);
    border-bottom: var(--border-width) solid var(--color-border);
}

.widget:last-child {
    margin-bottom: 0;
    padding-bottom: 0;
    border-bottom: none;
}

.widget-title {
    font-family: var(--font-mono);
    font-size: var(--font-size-xs);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: var(--spacing-md);
}

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

.widget li {
    margin-bottom: var(--spacing-xs);
    font-size: var(--font-size-small);
}

/* ==========================================================================
   Search
   ========================================================================== */

.search-form {
    display: flex;
    gap: var(--spacing-sm);
}

.search-form .search-field {
    flex-grow: 1;
    padding: var(--spacing-sm);
    border: var(--border-width) solid var(--color-border);
    font-family: var(--font-serif);
    font-size: 1rem;
}

.search-form .search-submit {
    font-family: var(--font-mono);
    font-size: var(--font-size-small);
    text-transform: uppercase;
    padding: var(--spacing-sm) var(--spacing-md);
    background-color: var(--color-text);
    color: var(--color-white);
    border: none;
    cursor: pointer;
}

.search-form .search-submit:hover {
    background-color: var(--color-accent);
}

/* ==========================================================================
   404 Page
   ========================================================================== */

.error-404 {
    text-align: center;
    padding: var(--spacing-2xl) 0;
}

.error-404__title {
    font-size: 8rem;
    line-height: 1;
    margin-bottom: var(--spacing-sm);
}

.error-404__subtitle {
    font-size: var(--font-size-h3);
    margin-bottom: var(--spacing-lg);
}

.error-404__text {
    color: var(--color-text-light);
    max-width: var(--content-width);
    margin: 0 auto var(--spacing-lg);
}

/* ==========================================================================
   Pagination
   ========================================================================== */

.pagination {
    display: flex;
    justify-content: center;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-2xl);
    padding-top: var(--spacing-lg);
    border-top: var(--border-width) solid var(--color-border);
}

.pagination a,
.pagination span {
    font-family: var(--font-mono);
    font-size: var(--font-size-small);
    padding: var(--spacing-sm) var(--spacing-md);
    border: var(--border-width) solid var(--color-border);
    color: var(--color-text);
}

.pagination a:hover {
    background-color: var(--color-text);
    color: var(--color-white);
}

.pagination .current {
    background-color: var(--color-text);
    color: var(--color-white);
}

/* ==========================================================================
   Utilities
   ========================================================================== */

.screen-reader-text {
    border: 0;
    clip: rect(1px, 1px, 1px, 1px);
    clip-path: inset(50%);
    height: 1px;
    margin: -1px;
    overflow: hidden;
    padding: 0;
    position: absolute;
    width: 1px;
    word-wrap: normal !important;
}

.alignleft {
    float: left;
    margin-right: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

.alignright {
    float: right;
    margin-left: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

.aligncenter {
    display: block;
    margin-left: auto;
    margin-right: auto;
    margin-bottom: var(--spacing-md);
}

.wp-caption {
    max-width: 100%;
}

.wp-caption-text {
    font-family: var(--font-mono);
    font-size: var(--font-size-xs);
    color: var(--color-text-light);
    margin-top: var(--spacing-xs);
}

/* ==========================================================================
   Main Content Area
   ========================================================================== */

.site-main {
    padding: var(--spacing-xl) 0;
    min-height: 60vh;
}

.home .site-main {
    padding-top: var(--spacing-lg);
}