/*
Theme Name: ELI5 Health
Theme URI: https://eli5health.com
Author: ELI5 Health Team
Author URI: https://eli5health.com
Description: A clean, professional health blog theme designed for readability and authority. Features warm muted tones, elegant typography pairing Playfair Display with Montserrat, and generous whitespace.
Version: 1.0.0
Requires at least: 6.0
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: eli5health
Tags: blog, health, wellness, one-column, custom-colors, custom-logo, custom-menu, featured-images, full-width-template, theme-options
*/

/* ========================================
   CSS VARIABLES & DESIGN TOKENS
   ======================================== */
:root {
    /* Primary Colors - Warm, Muted Palette */
    --color-primary: #B19E97;          /* Dusty mauve - main accent */
    --color-primary-dark: #8F7D77;     /* Darker mauve for hover states */
    --color-primary-light: #D4C5C0;    /* Light mauve for backgrounds */

    /* Neutral Colors */
    --color-text: #3B3B3B;             /* Dark charcoal - body text */
    --color-text-light: #6B6B6B;       /* Medium gray - secondary text */
    --color-text-muted: #9B9B9B;       /* Light gray - captions, meta */
    --color-background: #FFFFFF;        /* White */
    --color-background-alt: #FAFAFA;   /* Off-white for sections */
    --color-border: #E8E8E8;           /* Light border */
    --color-border-dark: #D0D0D0;      /* Darker border */

    /* Typography */
    --font-serif: 'Playfair Display', Georgia, 'Times New Roman', serif;
    --font-sans: 'Montserrat', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;

    /* Font Sizes - Fluid Typography */
    --text-xs: clamp(0.75rem, 0.7rem + 0.25vw, 0.875rem);
    --text-sm: clamp(0.875rem, 0.8rem + 0.35vw, 1rem);
    --text-base: clamp(1rem, 0.95rem + 0.25vw, 1.125rem);
    --text-lg: clamp(1.125rem, 1rem + 0.5vw, 1.25rem);
    --text-xl: clamp(1.25rem, 1.1rem + 0.75vw, 1.5rem);
    --text-2xl: clamp(1.5rem, 1.25rem + 1.25vw, 2rem);
    --text-3xl: clamp(1.875rem, 1.5rem + 1.875vw, 2.5rem);
    --text-4xl: clamp(2.25rem, 1.75rem + 2.5vw, 3.25rem);

    /* Spacing */
    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-2xl: 3rem;
    --space-3xl: 4rem;
    --space-4xl: 6rem;

    /* Layout */
    --max-width-content: 720px;
    --max-width-wide: 1200px;
    --max-width-full: 1400px;

    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 250ms ease;
    --transition-slow: 400ms ease;

    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.07);
    --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1);
}

/* ========================================
   BASE RESET & TYPOGRAPHY
   ======================================== */
*, *::before, *::after {
    box-sizing: border-box;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    margin: 0;
    padding: 0;
    font-family: var(--font-sans);
    font-size: var(--text-base);
    font-weight: 400;
    line-height: 1.7;
    color: var(--color-text);
    background-color: var(--color-background);
}

/* Headings */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-serif);
    font-weight: 700;
    line-height: 1.25;
    margin-top: 0;
    margin-bottom: var(--space-md);
    color: var(--color-text);
}

h1 { font-size: var(--text-4xl); }
h2 { font-size: var(--text-3xl); margin-top: var(--space-3xl); }
h3 { font-size: var(--text-2xl); margin-top: var(--space-2xl); }
h4 { font-size: var(--text-xl); }
h5 { font-size: var(--text-lg); }
h6 { font-size: var(--text-base); }

/* Body Text */
p {
    margin-top: 0;
    margin-bottom: var(--space-lg);
}

/* Links */
a {
    color: var(--color-primary-dark);
    text-decoration: underline;
    text-decoration-color: var(--color-primary-light);
    text-underline-offset: 3px;
    transition: color var(--transition-fast), text-decoration-color var(--transition-fast);
}

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

/* Lists */
ul, ol {
    margin: 0 0 var(--space-lg);
    padding-left: var(--space-xl);
}

li {
    margin-bottom: var(--space-sm);
}

/* Strong & Emphasis */
strong, b {
    font-weight: 600;
}

em, i {
    font-style: italic;
}

/* Blockquotes */
blockquote {
    margin: var(--space-2xl) 0;
    padding: var(--space-lg) var(--space-xl);
    border-left: 4px solid var(--color-primary);
    background-color: var(--color-background-alt);
    font-family: var(--font-serif);
    font-size: var(--text-lg);
    font-style: italic;
    color: var(--color-text-light);
}

blockquote p:last-child {
    margin-bottom: 0;
}

/* Code */
code {
    font-family: 'SF Mono', Monaco, 'Courier New', monospace;
    font-size: 0.9em;
    background-color: var(--color-background-alt);
    padding: 0.2em 0.4em;
    border-radius: 3px;
}

pre {
    background-color: var(--color-text);
    color: var(--color-background);
    padding: var(--space-lg);
    border-radius: 6px;
    overflow-x: auto;
    margin: var(--space-xl) 0;
}

pre code {
    background: none;
    padding: 0;
    color: inherit;
}

/* Horizontal Rule */
hr {
    border: none;
    border-top: 1px solid var(--color-border);
    margin: var(--space-3xl) 0;
}

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

/* ========================================
   LAYOUT COMPONENTS
   ======================================== */

/* Container */
.container {
    width: 100%;
    max-width: var(--max-width-wide);
    margin: 0 auto;
    padding: 0 var(--space-lg);
}

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

.container--full {
    max-width: var(--max-width-full);
}

/* ========================================
   SITE HEADER
   ======================================== */
.site-header {
    background-color: var(--color-background);
    border-bottom: 1px solid var(--color-border);
    position: sticky;
    top: 0;
    z-index: 100;
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-lg) var(--space-lg);
    max-width: var(--max-width-full);
    margin: 0 auto;
}

/* Logo */
.site-logo {
    display: flex;
    align-items: center;
    text-decoration: none;
}

.site-logo__text {
    font-family: var(--font-serif);
    font-size: var(--text-2xl);
    font-weight: 700;
    color: var(--color-text);
    letter-spacing: -0.02em;
}

.site-logo__text span {
    color: var(--color-primary);
}

.site-logo__tagline {
    display: none;
    font-family: var(--font-sans);
    font-size: var(--text-xs);
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-left: var(--space-md);
    padding-left: var(--space-md);
    border-left: 1px solid var(--color-border);
}

@media (min-width: 768px) {
    .site-logo__tagline {
        display: block;
    }
}

/* Main Navigation */
.main-nav {
    display: none;
}

@media (min-width: 992px) {
    .main-nav {
        display: flex;
    }
}

.main-nav__list {
    display: flex;
    list-style: none;
    margin: 0;
    padding: 0;
    gap: var(--space-xl);
}

.main-nav__link {
    font-family: var(--font-sans);
    font-size: var(--text-sm);
    font-weight: 500;
    color: var(--color-text);
    text-decoration: none;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    padding: var(--space-sm) 0;
    position: relative;
    transition: color var(--transition-fast);
}

.main-nav__link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--color-primary);
    transition: width var(--transition-base);
}

.main-nav__link:hover,
.main-nav__link:focus,
.main-nav__link--active {
    color: var(--color-primary-dark);
}

.main-nav__link:hover::after,
.main-nav__link:focus::after,
.main-nav__link--active::after {
    width: 100%;
}

/* Mobile Menu (hidden by default, shown via JS) */
.mobile-menu {
    display: none;
    background-color: var(--color-background);
    border-top: 1px solid var(--color-border);
    padding: var(--space-lg);
}

.mobile-menu[aria-hidden="false"] {
    display: block;
}

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

.mobile-menu__list li {
    margin: 0;
    border-bottom: 1px solid var(--color-border);
}

.mobile-menu__list a {
    display: block;
    padding: var(--space-md) 0;
    font-family: var(--font-sans);
    font-size: var(--text-base);
    font-weight: 500;
    color: var(--color-text);
    text-decoration: none;
}

.mobile-menu__list a:hover {
    color: var(--color-primary-dark);
}

/* Mobile Menu Button */
.mobile-menu-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    padding: 0;
    border: none;
    background: none;
    cursor: pointer;
}

@media (min-width: 992px) {
    .mobile-menu-btn {
        display: none;
    }
}

.mobile-menu-btn__icon {
    width: 24px;
    height: 2px;
    background-color: var(--color-text);
    position: relative;
    transition: background-color var(--transition-fast);
}

.mobile-menu-btn__icon::before,
.mobile-menu-btn__icon::after {
    content: '';
    position: absolute;
    left: 0;
    width: 100%;
    height: 2px;
    background-color: var(--color-text);
    transition: transform var(--transition-fast);
}

.mobile-menu-btn__icon::before { top: -7px; }
.mobile-menu-btn__icon::after { bottom: -7px; }

/* ========================================
   HERO / FEATURED ARTICLE HEADER
   ======================================== */
.article-hero {
    position: relative;
    background-color: var(--color-background-alt);
    padding: var(--space-3xl) 0;
    margin-bottom: var(--space-3xl);
}

.article-hero--with-image {
    padding: 0;
    margin-bottom: 0;
}

.article-hero__image {
    width: 100%;
    height: 400px;
    object-fit: cover;
}

@media (min-width: 768px) {
    .article-hero__image {
        height: 500px;
    }
}

.article-hero__content {
    max-width: var(--max-width-content);
    margin: 0 auto;
    padding: 0 var(--space-lg);
    text-align: center;
}

.article-hero--with-image .article-hero__content {
    padding: var(--space-3xl) var(--space-lg);
}

/* Category Badge */
.category-badge {
    display: inline-block;
    font-family: var(--font-sans);
    font-size: var(--text-xs);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-primary-dark);
    background-color: var(--color-primary-light);
    padding: var(--space-xs) var(--space-md);
    border-radius: 2px;
    margin-bottom: var(--space-lg);
    text-decoration: none;
}

.category-badge:hover {
    background-color: var(--color-primary);
    color: var(--color-background);
}

/* Article Title */
.article-hero__title {
    font-size: var(--text-4xl);
    margin-bottom: var(--space-lg);
    line-height: 1.15;
}

/* Article Subtitle/Excerpt */
.article-hero__subtitle {
    font-family: var(--font-serif);
    font-size: var(--text-xl);
    font-style: italic;
    color: var(--color-text-light);
    margin-bottom: var(--space-xl);
    line-height: 1.5;
}

/* Article Meta */
.article-meta {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-lg);
    font-family: var(--font-sans);
    font-size: var(--text-sm);
    color: var(--color-text-muted);
}

.article-meta__author {
    font-weight: 500;
    color: var(--color-text);
}

.article-meta__separator {
    width: 4px;
    height: 4px;
    background-color: var(--color-primary);
    border-radius: 50%;
}

/* ========================================
   ARTICLE CONTENT
   ======================================== */
.article-content {
    max-width: var(--max-width-content);
    margin: 0 auto;
    padding: 0 var(--space-lg) var(--space-4xl);
}

.article-content > *:first-child {
    margin-top: 0;
}

/* Lead Paragraph */
.article-content > p:first-of-type {
    font-size: var(--text-lg);
    color: var(--color-text-light);
    line-height: 1.8;
}

/* Section Headers with Accent */
.article-content h2 {
    position: relative;
    padding-bottom: var(--space-md);
    border-bottom: 2px solid var(--color-primary-light);
}

/* Tables */
.article-content table,
.wp-block-table table {
    width: 100%;
    border-collapse: collapse;
    margin: var(--space-2xl) 0;
    font-size: var(--text-sm);
}

.article-content th,
.wp-block-table th {
    font-family: var(--font-sans);
    font-weight: 600;
    text-align: left;
    padding: var(--space-md);
    background-color: var(--color-primary-light);
    color: var(--color-text);
    border: 1px solid var(--color-border);
}

.article-content td,
.wp-block-table td {
    padding: var(--space-md);
    border: 1px solid var(--color-border);
    vertical-align: top;
}

.article-content tr:nth-child(even),
.wp-block-table.is-style-stripes tbody tr:nth-child(odd) {
    background-color: var(--color-background-alt);
}

/* Responsive Tables */
@media (max-width: 640px) {
    .article-content table,
    .wp-block-table table {
        display: block;
        overflow-x: auto;
        white-space: nowrap;
    }
}

/* Callout Boxes */
.callout {
    background-color: var(--color-background-alt);
    border-left: 4px solid var(--color-primary);
    padding: var(--space-lg) var(--space-xl);
    margin: var(--space-2xl) 0;
    border-radius: 0 6px 6px 0;
}

.callout--warning {
    border-left-color: #E5A54B;
    background-color: #FEF9F0;
}

.callout--tip {
    border-left-color: #5B9E7D;
    background-color: #F0F9F4;
}

.callout__title {
    font-family: var(--font-sans);
    font-size: var(--text-sm);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: var(--space-sm);
    color: var(--color-text);
}

.callout p:last-child {
    margin-bottom: 0;
}

/* ========================================
   SIDEBAR (Optional)
   ======================================== */
.sidebar {
    background-color: var(--color-background-alt);
    padding: var(--space-2xl);
    border-radius: 6px;
}

.sidebar__title {
    font-family: var(--font-serif);
    font-size: var(--text-lg);
    margin-bottom: var(--space-lg);
    padding-bottom: var(--space-sm);
    border-bottom: 2px solid var(--color-primary);
}

/* ========================================
   ARTICLE FOOTER
   ======================================== */
.article-footer {
    max-width: var(--max-width-content);
    margin: 0 auto;
    padding: var(--space-2xl) var(--space-lg);
    border-top: 1px solid var(--color-border);
}

/* Tags */
.article-tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-sm);
    margin-bottom: var(--space-xl);
}

.article-tags__label {
    font-family: var(--font-sans);
    font-size: var(--text-sm);
    font-weight: 600;
    color: var(--color-text);
    margin-right: var(--space-sm);
}

.tag {
    display: inline-block;
    font-family: var(--font-sans);
    font-size: var(--text-xs);
    color: var(--color-text-light);
    background-color: var(--color-background-alt);
    padding: var(--space-xs) var(--space-md);
    border-radius: 3px;
    text-decoration: none;
    transition: all var(--transition-fast);
}

.tag:hover {
    background-color: var(--color-primary-light);
    color: var(--color-text);
}

/* Author Bio */
.author-bio {
    display: flex;
    gap: var(--space-lg);
    padding: var(--space-xl);
    background-color: var(--color-background-alt);
    border-radius: 6px;
}

.author-bio__avatar {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    object-fit: cover;
    flex-shrink: 0;
}

.author-bio__name {
    font-family: var(--font-serif);
    font-size: var(--text-lg);
    margin-bottom: var(--space-sm);
}

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

/* ========================================
   SITE FOOTER
   ======================================== */
.site-footer {
    background-color: var(--color-text);
    color: var(--color-background);
    padding: var(--space-4xl) 0 var(--space-2xl);
    margin-top: var(--space-4xl);
}

.footer-inner {
    max-width: var(--max-width-wide);
    margin: 0 auto;
    padding: 0 var(--space-lg);
}

.footer-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-2xl);
    margin-bottom: var(--space-3xl);
}

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

.footer-section__title {
    font-family: var(--font-sans);
    font-size: var(--text-sm);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-primary-light);
    margin-bottom: var(--space-lg);
}

.footer-section p {
    font-size: var(--text-sm);
    color: var(--color-text-muted);
    line-height: 1.7;
}

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

.footer-section li {
    margin-bottom: var(--space-sm);
}

.footer-section a {
    font-size: var(--text-sm);
    color: var(--color-text-muted);
    text-decoration: none;
    transition: color var(--transition-fast);
}

.footer-section a:hover {
    color: var(--color-primary-light);
}

.footer-bottom {
    padding-top: var(--space-xl);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    text-align: center;
}

.footer-bottom p {
    font-size: var(--text-xs);
    color: var(--color-text-muted);
    margin: 0;
}

/* ========================================
   HOMEPAGE / ARCHIVE COMPONENTS
   ======================================== */

/* Post Card Grid */
.post-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-2xl);
    margin: var(--space-3xl) 0;
}

@media (min-width: 640px) {
    .post-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

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

/* Post Card */
.post-card {
    background-color: var(--color-background);
    border-radius: 6px;
    overflow: hidden;
    transition: box-shadow var(--transition-base), transform var(--transition-base);
}

.post-card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-4px);
}

.post-card__image-link {
    display: block;
    overflow: hidden;
}

.post-card__image {
    width: 100%;
    height: 200px;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.post-card:hover .post-card__image {
    transform: scale(1.05);
}

.post-card__content {
    padding: var(--space-lg);
}

.post-card__category {
    font-family: var(--font-sans);
    font-size: var(--text-xs);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--color-primary-dark);
    text-decoration: none;
    margin-bottom: var(--space-sm);
    display: inline-block;
}

.post-card__title {
    font-family: var(--font-serif);
    font-size: var(--text-xl);
    line-height: 1.3;
    margin-bottom: var(--space-md);
}

.post-card__title a {
    color: var(--color-text);
    text-decoration: none;
    transition: color var(--transition-fast);
}

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

.post-card__excerpt {
    font-size: var(--text-sm);
    color: var(--color-text-light);
    line-height: 1.6;
    margin-bottom: var(--space-md);
}

.post-card__meta {
    font-size: var(--text-xs);
    color: var(--color-text-muted);
}

/* Featured Post (Large) */
.featured-post {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-xl);
    margin-bottom: var(--space-3xl);
    padding-bottom: var(--space-3xl);
    border-bottom: 1px solid var(--color-border);
}

@media (min-width: 768px) {
    .featured-post {
        grid-template-columns: 1.5fr 1fr;
        align-items: center;
    }
}

.featured-post__image {
    width: 100%;
    height: 300px;
    object-fit: cover;
    border-radius: 6px;
}

@media (min-width: 768px) {
    .featured-post__image {
        height: 400px;
    }
}

/* Featured post without image - center content */
.featured-post--no-image {
    grid-template-columns: 1fr;
    text-align: center;
    max-width: var(--max-width-content);
    margin-left: auto;
    margin-right: auto;
}

.featured-post--no-image .featured-post__content {
    padding: var(--space-xl);
}

.featured-post--no-image .article-meta {
    justify-content: center;
}

.featured-post__content {
    padding: var(--space-lg) 0;
}

.featured-post__title {
    font-size: var(--text-3xl);
    margin-bottom: var(--space-lg);
}

/* ========================================
   UTILITY CLASSES
   ======================================== */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.mt-0 { margin-top: 0; }
.mb-0 { margin-bottom: 0; }
.my-lg { margin-top: var(--space-lg); margin-bottom: var(--space-lg); }
.my-xl { margin-top: var(--space-xl); margin-bottom: var(--space-xl); }

.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;
}

/* ========================================
   WORDPRESS SPECIFIC OVERRIDES
   ======================================== */

/* Block Editor Alignment */
.alignwide {
    max-width: var(--max-width-wide);
    margin-left: auto;
    margin-right: auto;
}

.alignfull {
    width: 100vw;
    max-width: 100vw;
    margin-left: calc(50% - 50vw);
}

/* WordPress Images */
.wp-caption {
    max-width: 100%;
}

.wp-caption-text {
    font-size: var(--text-sm);
    color: var(--color-text-muted);
    text-align: center;
    margin-top: var(--space-sm);
}

/* Gallery */
.wp-block-gallery {
    margin: var(--space-2xl) 0;
}

/* Comments */
.comments-area {
    max-width: var(--max-width-content);
    margin: var(--space-3xl) auto;
    padding: 0 var(--space-lg);
}

.comments-title {
    font-family: var(--font-serif);
    font-size: var(--text-2xl);
    margin-bottom: var(--space-xl);
}

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

.comment {
    padding: var(--space-lg) 0;
    border-bottom: 1px solid var(--color-border);
}

.comment-author {
    font-weight: 600;
    margin-bottom: var(--space-sm);
}

.comment-metadata {
    font-size: var(--text-xs);
    color: var(--color-text-muted);
    margin-bottom: var(--space-md);
}

/* ========================================
   PRINT STYLES
   ======================================== */
@media print {
    .site-header,
    .site-footer,
    .article-tags,
    .author-bio,
    .comments-area {
        display: none;
    }

    body {
        font-size: 12pt;
        line-height: 1.5;
        color: #000;
        background: #fff;
    }

    a {
        color: #000;
        text-decoration: underline;
    }

    .article-content {
        max-width: 100%;
        padding: 0;
    }
}