/*
Theme Name: Lucian Park
Theme URI: https://lucianpark.com
Author: Lucian Park
Author URI: https://lucianpark.com
Description: Custom theme for lucianpark.com — a personal brand blog about used tech.
Version: 1.0.0
License: GNU General Public License v2 or later
License URI: https://www.gnu.org/licenses/gpl-2.0.html
Text Domain: lucianpark
*/


/* ==========================================================================
   :ROOT — CUSTOM PROPERTIES (DESIGN TOKENS)
   ========================================================================== */

:root {
    /* Colors — Amber Palette */
    --color-bg-primary: #FFFFFF;
    --color-bg-alt: #FAF8F4;
    --color-accent: #C0913A;
    --color-accent-hover: #A87D2F;
    --color-accent-tint: #F5F0E5;
    --color-text-primary: #1A1A2E;
    --color-text-secondary: #5A5A72;
    --color-text-muted: #9298A8;
    --color-border: #E4E7EE;

    /* Typography */
    --font-display: 'DotGothic16', 'Courier New', monospace;
    --font-body: 'DM Sans', sans-serif;

    /* Spacing scale */
    --space-xs: 4px;
    --space-sm: 8px;
    --space-md: 16px;
    --space-lg: 24px;
    --space-xl: 32px;
    --space-2xl: 48px;
    --space-3xl: 64px;

    /* Layout */
    --content-width: 700px;
    --page-width: 1200px;
    --header-height: 64px;

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

    /* Z-index scale — named layers prevent stacking order conflicts */
    --z-content: 1;
    --z-cookie-banner: 90;
    --z-sticky-header: 100;
    --z-mobile-menu: 200;
}


/* ==========================================================================
   1. RESET / BASE
   ========================================================================== */

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

html {
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
    text-size-adjust: 100%;
}

body {
    font-family: var(--font-body);
    font-size: 1rem;
    line-height: 1.6;
    color: var(--color-text-primary);
    background-color: var(--color-bg-primary);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

main {
    flex: 1;
}

img,
picture,
video,
svg {
    display: block;
    max-width: 100%;
    height: auto;
}

ul,
ol {
    list-style: none;
}

a {
    color: inherit;
    text-decoration: none;
}

button {
    font: inherit;
    color: inherit;
    background: none;
    border: none;
    cursor: pointer;
}

input,
textarea,
select {
    font: inherit;
    color: inherit;
}

table {
    border-collapse: collapse;
    border-spacing: 0;
}

/* Remove default fieldset/legend styling */
fieldset {
    border: none;
}

/* Remove animations/transitions for users who prefer reduced motion */
@media (prefers-reduced-motion: reduce) {
    /* Override justified: global reduced-motion per Protocol 3, Section 4.5 */
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}


/* ==========================================================================
   2. TYPOGRAPHY
   ========================================================================== */

/* --- Headings — DotGothic16 (display font) --- */

h1,
h2,
h3,
h4 {
    font-family: var(--font-display);
    font-weight: 400;
    line-height: 1.2;
    color: var(--color-text-primary);
}

h1 {
    font-size: 2rem;
}

h2 {
    font-size: 1.5rem;
}

h3 {
    font-size: 1.25rem;
}

h4 {
    font-size: 1.125rem;
}

@media (min-width: 768px) {
    h1 {
        font-size: 2.5rem;
    }

    h2 {
        font-size: 1.75rem;
    }

    h3 {
        font-size: 1.375rem;
    }
}

/* --- Body text — DM Sans --- */

p {
    margin-bottom: var(--space-lg);
    line-height: 1.7;
}

strong {
    font-weight: 600;
}

em {
    font-style: italic;
}

small {
    font-size: 0.875rem;
}

blockquote {
    border-left: 3px solid var(--color-accent);
    padding-left: var(--space-lg);
    margin-bottom: var(--space-lg);
    color: var(--color-text-secondary);
    font-style: italic;
}

/* Blog post body content — generous breathing room */
.post-content {
    font-size: 1.0625rem;
    line-height: 1.8;
}

.post-content p {
    margin-bottom: var(--space-lg);
}

.post-content h2 {
    margin-top: var(--space-3xl);
    margin-bottom: var(--space-lg);
}

.post-content h3 {
    margin-top: var(--space-2xl);
    margin-bottom: var(--space-md);
}

.post-content h4 {
    margin-top: var(--space-xl);
    margin-bottom: var(--space-md);
}

.post-content ul,
.post-content ol {
    margin-bottom: var(--space-lg);
    padding-left: var(--space-xl);
}

.post-content ul {
    list-style: disc;
}

.post-content ol {
    list-style: decimal;
}

.post-content li {
    margin-bottom: var(--space-sm);
    line-height: 1.7;
}

.post-content li::marker {
    color: var(--color-accent);
}

/* --- Links — custom underline animation --- */

.post-content a,
.text-link {
    color: var(--color-accent);
    text-decoration: none;
    background-image: linear-gradient(var(--color-accent), var(--color-accent));
    background-size: 0% 1px;
    background-position: 0 100%;
    background-repeat: no-repeat;
    transition: background-size var(--transition-default);
}

.post-content a:hover,
.text-link:hover {
    background-size: 100% 1px;
}

/* Standard nav/UI links — no underline animation, color shift */
.nav-link {
    transition: color var(--transition-fast);
}

.nav-link:hover {
    color: var(--color-accent);
}

/* --- Focus states — visible on all interactive elements --- */

:focus-visible {
    outline: 2px solid var(--color-accent);
    outline-offset: 2px;
}

/* Remove default focus ring only when :focus-visible is supported */
:focus:not(:focus-visible) {
    outline: none;
}


/* ==========================================================================
   3. LAYOUT (CONTAINERS, GRID)
   ========================================================================== */

.site-container {
    width: 100%;
    max-width: var(--page-width);
    margin-left: auto;
    margin-right: auto;
    padding-left: var(--space-md);
    padding-right: var(--space-md);
}

.content-container {
    width: 100%;
    max-width: var(--content-width);
    margin-left: auto;
    margin-right: auto;
    padding-left: var(--space-md);
    padding-right: var(--space-md);
}

@media (min-width: 375px) {
    .site-container,
    .content-container {
        padding-left: var(--space-lg);
        padding-right: var(--space-lg);
    }
}

/* Section spacing — consistent vertical rhythm between page sections */
.section {
    padding-top: var(--space-3xl);
    padding-bottom: var(--space-3xl);
}

.section--alt {
    background-color: var(--color-bg-alt);
}

/* Post grid — used on homepage and category pages */
.post-grid {
    display: grid;
    gap: var(--space-xl);
    grid-template-columns: 1fr;
}

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

@media (min-width: 1024px) {
    .post-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

/* Screen reader only — visually hidden but accessible */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* Skip to main content link — keyboard accessibility */
.skip-link {
    position: absolute;
    top: -100%;
    left: var(--space-md);
    z-index: calc(var(--z-mobile-menu) + 1);
    padding: var(--space-sm) var(--space-md);
    background-color: var(--color-accent);
    color: var(--color-bg-primary);
    font-family: var(--font-body);
    font-size: 0.875rem;
    font-weight: 600;
    border-radius: 4px;
    transition: top var(--transition-fast);
}

.skip-link:focus {
    top: var(--space-md);
}


/* ==========================================================================
   4. HEADER & NAVIGATION
   ========================================================================== */

/* --- Site Header --- */

.site-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: var(--header-height);
    background-color: var(--color-bg-primary);
    z-index: var(--z-sticky-header);
    transition: background-color var(--transition-default),
                box-shadow var(--transition-default);
}

.site-header--scrolled {
    background-color: rgba(255, 255, 255, 0.92);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    box-shadow: 0 1px 0 var(--color-border);
}

.site-header__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
}

/* Offset page content below fixed header */
body {
    padding-top: var(--header-height);
}

/* --- Logo --- */

.site-logo {
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-weight: 400;
    color: var(--color-text-primary);
    text-decoration: none;
    white-space: nowrap;
    transition: opacity var(--transition-fast);
}

.site-logo:hover {
    opacity: 0.8;
}

.site-logo__period {
    color: var(--color-accent);
}

/* --- Tagline --- */

.site-tagline {
    display: none;
    font-family: var(--font-body);
    font-size: 0.8125rem;
    color: var(--color-text-muted);
    margin-left: var(--space-md);
    white-space: nowrap;
}

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

.site-header__brand {
    display: flex;
    align-items: center;
}

/* --- Desktop Navigation --- */

.site-nav {
    display: none;
    align-items: center;
    gap: var(--space-xl);
    font-family: var(--font-body);
    font-size: 0.9375rem;
}

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

.nav-link {
    color: var(--color-text-secondary);
    text-decoration: none;
    transition: color var(--transition-fast);
    white-space: nowrap;
}

.nav-link:hover {
    color: var(--color-accent);
}

/* --- Categories Dropdown --- */

.category-dropdown {
    position: relative;
}

.category-dropdown__trigger {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    padding: 0;
    font-size: 0.9375rem;
}

.category-dropdown__icon {
    transition: transform var(--transition-fast);
}

.category-dropdown__trigger[aria-expanded="true"] .category-dropdown__icon {
    transform: rotate(180deg);
}

.category-dropdown__menu {
    position: absolute;
    top: calc(100% + var(--space-sm));
    left: 50%;
    transform: translateX(-50%);
    min-width: 180px;
    background-color: var(--color-bg-primary);
    border: 1px solid var(--color-border);
    border-radius: 8px;
    padding: var(--space-sm) 0;
    box-shadow: 0 4px 16px rgba(26, 26, 46, 0.08);
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--transition-fast),
                visibility var(--transition-fast);
}

.category-dropdown__trigger[aria-expanded="true"] + .category-dropdown__menu {
    opacity: 1;
    visibility: visible;
}

.category-dropdown__link {
    display: block;
    padding: var(--space-sm) var(--space-lg);
    color: var(--color-text-secondary);
    font-size: 0.875rem;
    text-decoration: none;
    transition: color var(--transition-fast),
                background-color var(--transition-fast);
}

.category-dropdown__link:hover {
    color: var(--color-accent);
    background-color: var(--color-accent-tint);
}

/* --- Mobile Menu Toggle (Hamburger / Close) --- */

.mobile-menu-toggle {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    width: 48px;
    height: 48px;
    padding: var(--space-sm);
    gap: 5px;
    z-index: calc(var(--z-mobile-menu) + 1);
    position: relative;
}

@media (min-width: 768px) {
    .mobile-menu-toggle {
        display: none;
    }
}

.mobile-menu-toggle__bar {
    display: block;
    width: 22px;
    height: 2px;
    background-color: var(--color-text-primary);
    border-radius: 1px;
    transition: transform var(--transition-default),
                opacity var(--transition-default);
    transform-origin: center;
}

/* Hamburger to X transition */
.mobile-menu-toggle[aria-expanded="true"] .mobile-menu-toggle__bar:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}

.mobile-menu-toggle[aria-expanded="true"] .mobile-menu-toggle__bar:nth-child(2) {
    opacity: 0;
}

.mobile-menu-toggle[aria-expanded="true"] .mobile-menu-toggle__bar:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

/* --- Mobile Menu Overlay --- */

.mobile-menu {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    height: 100dvh;
    background-color: var(--color-bg-primary);
    z-index: var(--z-mobile-menu);
    display: flex;
    flex-direction: column;
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--transition-slow),
                visibility var(--transition-slow);
}

.mobile-menu.is-open {
    opacity: 1;
    visibility: visible;
}

.mobile-menu__content {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    flex: 1;
    padding-top: var(--header-height);
    padding-bottom: var(--space-3xl);
}

.mobile-menu__nav {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-xl);
    flex: 1;
    justify-content: center;
}

.mobile-menu__link {
    font-family: var(--font-display);
    font-size: 2rem;
    color: var(--color-text-secondary);
    text-decoration: none;
    opacity: 0;
    filter: blur(8px);
    transform: translateY(var(--space-md));
    transition: opacity var(--transition-slow) ease-out,
                filter var(--transition-slow) ease-out,
                transform var(--transition-slow) ease-out,
                color var(--transition-fast);
}

.mobile-menu.is-open .mobile-menu__link {
    opacity: 1;
    filter: blur(0);
    transform: translateY(0);
}

/* Stagger timing: each link delays ~120ms after the previous */
.mobile-menu.is-open .mobile-menu__link:nth-child(1) { transition-delay: 100ms; }
.mobile-menu.is-open .mobile-menu__link:nth-child(2) { transition-delay: 220ms; }
.mobile-menu.is-open .mobile-menu__link:nth-child(3) { transition-delay: 340ms; }
.mobile-menu.is-open .mobile-menu__link:nth-child(4) { transition-delay: 460ms; }
.mobile-menu.is-open .mobile-menu__link:nth-child(5) { transition-delay: 580ms; }
.mobile-menu.is-open .mobile-menu__link:nth-child(6) { transition-delay: 700ms; }
.mobile-menu.is-open .mobile-menu__link:nth-child(7) { transition-delay: 820ms; }
.mobile-menu.is-open .mobile-menu__link:nth-child(8) { transition-delay: 940ms; }

/* Close transition: reset delays to 0 so items blur out together */
.mobile-menu:not(.is-open) .mobile-menu__link {
    transition-delay: 0ms;
}

/* Active/current page link in primary color */
.mobile-menu__link--active,
.mobile-menu__link:hover {
    color: var(--color-text-primary);
}

/* Mobile menu footer content */
.mobile-menu__footer {
    padding: var(--space-lg);
    text-align: center;
    opacity: 0;
    transition: opacity var(--transition-slow) ease-out;
}

.mobile-menu.is-open .mobile-menu__footer {
    opacity: 1;
    transition-delay: 500ms;
}

.mobile-menu:not(.is-open) .mobile-menu__footer {
    transition-delay: 0ms;
}

.mobile-menu__legal {
    display: flex;
    justify-content: center;
    gap: var(--space-lg);
    margin-bottom: var(--space-sm);
}

.mobile-menu__legal a {
    font-family: var(--font-body);
    font-size: 0.8125rem;
    color: var(--color-text-muted);
    text-decoration: none;
    transition: color var(--transition-fast);
}

.mobile-menu__legal a:hover {
    color: var(--color-accent);
}

.mobile-menu__copyright {
    font-family: var(--font-body);
    font-size: 0.75rem;
    color: var(--color-text-muted);
}

/* Lock body scroll when mobile menu is open */
body.mobile-menu-open {
    overflow: hidden;
}

/* Cookie consent banner */
.cookie-banner {
    position: fixed;
    bottom: 0;
    left: 0;
    width: 100%;
    background-color: var(--color-bg-alt);
    border-top: 1px solid var(--color-border);
    z-index: var(--z-cookie-banner);
    padding: var(--space-md) 0;
    display: none;
}

.cookie-banner.is-visible {
    display: block;
}

.cookie-banner__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-lg);
    flex-wrap: wrap;
}

.cookie-banner__text {
    font-size: 0.875rem;
    color: var(--color-text-secondary);
    margin-bottom: 0;
    flex: 1;
    min-width: 200px;
}

.cookie-banner__actions {
    display: flex;
    align-items: center;
    gap: var(--space-lg);
    flex-shrink: 0;
}

.cookie-banner__link {
    font-size: 0.875rem;
    color: var(--color-text-muted);
    text-decoration: none;
    transition: color var(--transition-fast);
}

.cookie-banner__link:hover {
    color: var(--color-accent);
}

.cookie-banner__accept {
    font-size: 0.875rem;
    font-weight: 500;
    padding: var(--space-sm) var(--space-lg);
    background-color: var(--color-text-primary);
    color: var(--color-bg-primary);
    border-radius: 4px;
    transition: opacity var(--transition-fast);
}

.cookie-banner__accept:hover {
    opacity: 0.85;
}


/* ==========================================================================
   5. HOMEPAGE SECTIONS
   ========================================================================== */

/* --- Hero Section --- */

.hero-section {
    padding-top: var(--space-3xl);
    padding-bottom: var(--space-2xl);
}

.hero-grid {
    display: grid;
    gap: var(--space-xl);
    grid-template-columns: 1fr;
}

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

    /* Primary card spans full width on top row when 3 cards */
    .hero-card--primary {
        grid-column: 1 / -1;
    }
}

/* Hero Cards — larger variant of post cards */
.hero-card {
    border: 1px solid var(--color-border);
    border-radius: 8px;
    overflow: hidden;
    background-color: var(--color-bg-primary);
    transition: transform var(--transition-default),
                box-shadow var(--transition-default);
}

.hero-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 16px rgba(26, 26, 46, 0.06);
}

.hero-card__link {
    display: flex;
    flex-direction: column;
    text-decoration: none;
    color: inherit;
    height: 100%;
}

/* Primary hero card — horizontal on desktop */
@media (min-width: 768px) {
    .hero-card--primary .hero-card__link {
        flex-direction: row;
    }

    .hero-card--primary .hero-card__image {
        width: 40%;
        max-width: 40%;
    }

    .hero-card--primary .hero-card__body {
        width: 60%;
    }

    .hero-card--primary .hero-card__title {
        font-size: 1.75rem;
    }
}

.hero-card__image {
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-xl);
    background-color: var(--color-bg-alt);
}

.hero-card__illustration {
    max-width: 100%;
    max-height: 220px;
    width: auto;
    height: auto;
    object-fit: contain;
}

.hero-card__body {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
    padding: var(--space-xl);
    flex: 1;
}

.hero-card__meta {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-family: var(--font-body);
    font-size: 0.75rem;
}

.hero-card__category {
    color: var(--color-accent);
    font-weight: 500;
}

.hero-card__type {
    color: var(--color-text-muted);
}

.hero-card__type::before {
    content: '\00B7';
    margin-right: var(--space-sm);
    color: var(--color-border);
}

.hero-card__title {
    font-size: 1.375rem;
    line-height: 1.25;
    margin: 0;
}

.hero-card__excerpt {
    font-family: var(--font-body);
    font-size: 0.9375rem;
    color: var(--color-text-secondary);
    line-height: 1.5;
    margin-bottom: 0;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.hero-card__date {
    font-family: var(--font-body);
    font-size: 0.75rem;
    color: var(--color-text-muted);
    margin-top: auto;
}

/* --- Recent Articles --- */

.recent-articles__heading {
    margin-bottom: var(--space-xl);
}

/* --- Category Browsing --- */

.category-browse__heading {
    margin-bottom: var(--space-xl);
}

.category-browse__grid {
    display: grid;
    gap: var(--space-md);
    grid-template-columns: repeat(2, 1fr);
}

@media (min-width: 640px) {
    .category-browse__grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (min-width: 1024px) {
    .category-browse__grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

.category-browse__item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-xs);
    padding: var(--space-xl) var(--space-md);
    text-decoration: none;
    border: 1px solid var(--color-border);
    border-radius: 8px;
    background-color: var(--color-bg-primary);
    transition: border-color var(--transition-default),
                transform var(--transition-default);
}

.category-browse__item:hover {
    border-color: var(--color-accent);
    transform: translateY(-2px);
}

.category-browse__name {
    font-family: var(--font-display);
    font-size: 1.125rem;
    color: var(--color-text-primary);
}

.category-browse__count {
    font-family: var(--font-body);
    font-size: 0.75rem;
    color: var(--color-text-muted);
}

/* --- Hero Section --- */

.hero-section {
    padding-top: var(--space-2xl);
}

.hero-section__grid {
    display: grid;
    gap: var(--space-xl);
    grid-template-columns: 1fr;
}

@media (min-width: 1024px) {
    .hero-section__grid {
        grid-template-columns: 3fr 2fr;
    }
}

.hero-section__secondary {
    display: flex;
    flex-direction: column;
    gap: var(--space-xl);
}

/* --- Hero Cards --- */

.hero-card {
    border: 1px solid var(--color-border);
    border-radius: 8px;
    overflow: hidden;
    background-color: var(--color-bg-primary);
    transition: transform var(--transition-default),
                box-shadow var(--transition-default);
}

.hero-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 16px rgba(26, 26, 46, 0.06);
}

.hero-card__link {
    display: flex;
    flex-direction: column;
    text-decoration: none;
    color: inherit;
    height: 100%;
}

.hero-card__image {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-xl);
    background-color: var(--color-bg-alt);
}

.hero-card__illustration {
    max-width: 100%;
    height: auto;
    object-fit: contain;
}

.hero-card__body {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
    padding: var(--space-lg);
    flex: 1;
}

.hero-card__meta {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-family: var(--font-body);
    font-size: 0.75rem;
}

.hero-card__category {
    color: var(--color-accent);
    font-weight: 500;
}

.hero-card__type {
    color: var(--color-text-muted);
}

.hero-card__type::before {
    content: '\00B7';
    margin-right: var(--space-sm);
    color: var(--color-border);
}

.hero-card__title {
    font-size: 1.25rem;
    line-height: 1.25;
    margin: 0;
}

.hero-card--primary .hero-card__title {
    font-size: 1.5rem;
}

@media (min-width: 768px) {
    .hero-card--primary .hero-card__title {
        font-size: 1.75rem;
    }
}

.hero-card__excerpt {
    font-family: var(--font-body);
    font-size: 0.9375rem;
    color: var(--color-text-secondary);
    line-height: 1.5;
    margin-bottom: 0;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.hero-card__date {
    font-family: var(--font-body);
    font-size: 0.75rem;
    color: var(--color-text-muted);
    margin-top: auto;
}

/* Primary card: taller image area */
.hero-card--primary .hero-card__image {
    min-height: 200px;
}

@media (min-width: 1024px) {
    .hero-card--primary .hero-card__image {
        min-height: 260px;
    }
}

/* Secondary cards: compact horizontal layout on tablet+ */
.hero-card--secondary .hero-card__illustration {
    max-height: 120px;
}

@media (min-width: 768px) {
    .hero-card--secondary .hero-card__link {
        flex-direction: row;
    }

    .hero-card--secondary .hero-card__image {
        width: 35%;
        max-width: 35%;
        padding: var(--space-md);
        min-height: auto;
    }

    .hero-card--secondary .hero-card__body {
        width: 65%;
    }
}

/* --- Recent Articles --- */

.homepage-recent__heading {
    margin-bottom: var(--space-xl);
}

/* --- Category Browsing --- */

.homepage-categories__heading {
    margin-bottom: var(--space-xl);
}

.homepage-categories__grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-md);
}

@media (min-width: 640px) {
    .homepage-categories__grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (min-width: 1024px) {
    .homepage-categories__grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

.category-card {
    display: flex;
    flex-direction: column;
    gap: var(--space-xs);
    padding: var(--space-lg);
    background-color: var(--color-bg-primary);
    border: 1px solid var(--color-border);
    border-radius: 8px;
    text-decoration: none;
    transition: border-color var(--transition-default),
                transform var(--transition-default);
}

.category-card:hover {
    border-color: var(--color-accent);
    transform: translateY(-2px);
}

.category-card__name {
    font-family: var(--font-display);
    font-size: 1.125rem;
    color: var(--color-text-primary);
}

.category-card__count {
    font-family: var(--font-body);
    font-size: 0.8125rem;
    color: var(--color-text-muted);
}


/* ==========================================================================
   6. CATEGORY PAGE
   ========================================================================== */

.category-header {
    padding-bottom: var(--space-xl);
}

.category-header__title {
    margin-bottom: var(--space-md);
}

.category-header__description {
    font-family: var(--font-body);
    font-size: 1.0625rem;
    color: var(--color-text-secondary);
    max-width: var(--content-width);
    line-height: 1.6;
    margin-bottom: 0;
}

.category-posts {
    padding-bottom: var(--space-3xl);
}

.category-posts__growing {
    font-family: var(--font-body);
    font-size: 0.9375rem;
    color: var(--color-text-muted);
    text-align: center;
    margin-top: var(--space-2xl);
    font-style: italic;
}

.category-posts__empty {
    font-family: var(--font-body);
    font-size: 1rem;
    color: var(--color-text-secondary);
    text-align: center;
    padding: var(--space-3xl) 0;
}

/* Pagination */
.pagination {
    margin-top: var(--space-3xl);
    text-align: center;
}

.pagination ul {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: var(--space-sm);
    flex-wrap: wrap;
}

.pagination li {
    list-style: none;
}

.pagination a,
.pagination span {
    display: inline-block;
    padding: var(--space-sm) var(--space-md);
    font-family: var(--font-body);
    font-size: 0.875rem;
    color: var(--color-text-secondary);
    text-decoration: none;
    border-radius: 4px;
    transition: color var(--transition-fast),
                background-color var(--transition-fast);
}

.pagination a:hover {
    color: var(--color-accent);
    background-color: var(--color-accent-tint);
}

.pagination .current {
    color: var(--color-bg-primary);
    background-color: var(--color-accent);
    font-weight: 500;
}


/* ==========================================================================
   7. BLOG POST (SINGLE)
   ========================================================================== */

.single-post {
    padding-bottom: 0;
}

.single-post__header {
    padding-top: var(--space-3xl);
    padding-bottom: var(--space-xl);
}

.single-post__meta {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: var(--space-md);
    margin-bottom: var(--space-lg);
    font-family: var(--font-body);
    font-size: 0.875rem;
}

.single-post__category {
    color: var(--color-accent);
    font-weight: 500;
    text-decoration: none;
    transition: color var(--transition-fast);
}

.single-post__category:hover {
    color: var(--color-accent-hover);
}

.single-post__type {
    color: var(--color-text-muted);
}

.single-post__meta .single-post__type::before {
    content: '\00B7';
    margin-right: var(--space-md);
    color: var(--color-border);
}

.single-post__date {
    color: var(--color-text-muted);
}

.single-post__meta .single-post__date::before {
    content: '\00B7';
    margin-right: var(--space-md);
    color: var(--color-border);
}

.single-post__title {
    font-size: 2rem;
    line-height: 1.15;
    max-width: var(--content-width);
}

@media (min-width: 768px) {
    .single-post__title {
        font-size: 2.75rem;
    }
}

/* Featured illustration — between metadata and body */
.single-post__illustration {
    display: flex;
    justify-content: center;
    margin-bottom: var(--space-2xl);
}

.single-post__featured-image {
    width: 80%;
    max-width: 420px;
    height: auto;
}

@media (min-width: 768px) {
    .single-post__featured-image {
        width: 60%;
    }
}

/* Body content spacing */
.single-post__content {
    padding-bottom: var(--space-3xl);
}

/* Affiliate disclosure */
.affiliate-disclosure {
    padding-bottom: var(--space-xl);
    border-top: 1px solid var(--color-border);
    padding-top: var(--space-lg);
}

.affiliate-disclosure__text {
    font-size: 0.8125rem;
    color: var(--color-text-muted);
    line-height: 1.6;
    margin-bottom: 0;
}

.affiliate-disclosure__link {
    color: var(--color-text-secondary);
    text-decoration: underline;
    text-decoration-color: var(--color-border);
    text-underline-offset: 2px;
    transition: color var(--transition-fast),
                text-decoration-color var(--transition-fast);
}

.affiliate-disclosure__link:hover {
    color: var(--color-accent);
    text-decoration-color: var(--color-accent);
}


/* ==========================================================================
   8. POST CARDS (SHARED COMPONENT)
   ========================================================================== */

.post-card {
    border: 1px solid var(--color-border);
    border-radius: 8px;
    overflow: hidden;
    background-color: var(--color-bg-primary);
    transition: transform var(--transition-default),
                box-shadow var(--transition-default);
}

.post-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 16px rgba(26, 26, 46, 0.06);
}

.post-card__link {
    display: flex;
    flex-direction: column;
    text-decoration: none;
    color: inherit;
    height: 100%;
}

/* Mobile: vertical stack — image on top, text below */
.post-card__image {
    flex-shrink: 0;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-lg);
    background-color: var(--color-bg-alt);
}

.post-card__illustration {
    max-width: 100%;
    max-height: 180px;
    width: auto;
    height: auto;
    object-fit: contain;
}

.post-card__body {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
    padding: var(--space-lg);
    flex: 1;
}

.post-card__meta {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-family: var(--font-body);
    font-size: 0.75rem;
}

.post-card__category {
    color: var(--color-accent);
    font-weight: 500;
}

.post-card__type {
    color: var(--color-text-muted);
}

.post-card__type::before {
    content: '\00B7';
    margin-right: var(--space-sm);
    color: var(--color-border);
}

.post-card__title {
    font-size: 1.125rem;
    line-height: 1.3;
    margin: 0;
}

.post-card__excerpt {
    font-family: var(--font-body);
    font-size: 0.875rem;
    color: var(--color-text-secondary);
    line-height: 1.5;
    margin-bottom: 0;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.post-card__date {
    font-family: var(--font-body);
    font-size: 0.75rem;
    color: var(--color-text-muted);
    margin-top: auto;
}

/* Desktop: horizontal layout — text leads, image anchors right */
@media (min-width: 768px) {
    .post-card__link {
        flex-direction: row;
    }

    .post-card__image {
        order: 1;
        width: 35%;
        max-width: 35%;
        padding: var(--space-md);
    }

    .post-card__body {
        order: 0;
        width: 65%;
    }

    .post-card__illustration {
        max-height: 140px;
    }
}


/* ==========================================================================
   9. RELATED ARTICLES COMPONENT
   ========================================================================== */

.related-articles {
    border-top: 1px solid var(--color-border);
}

.related-articles__heading {
    margin-bottom: var(--space-xl);
}

.related-articles__grid {
    max-width: var(--page-width);
}


/* ==========================================================================
   10. NEWSLETTER SIGNUP COMPONENT
   ========================================================================== */

.newsletter-signup {
    text-align: center;
}

.newsletter-signup__heading {
    margin-bottom: var(--space-sm);
}

.newsletter-signup__description {
    font-family: var(--font-body);
    font-size: 1rem;
    color: var(--color-text-secondary);
    margin-bottom: var(--space-xl);
}

.newsletter-signup__form-wrapper {
    max-width: 440px;
    margin-left: auto;
    margin-right: auto;
}

.newsletter-signup__form {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.newsletter-signup__input {
    flex: 1;
    padding: var(--space-sm) var(--space-md);
    border: 1px solid var(--color-border);
    border-radius: 4px;
    font-size: 0.9375rem;
    background-color: var(--color-bg-primary);
    transition: border-color var(--transition-fast);
}

.newsletter-signup__input::placeholder {
    color: var(--color-text-muted);
}

.newsletter-signup__input:focus {
    border-color: var(--color-accent);
}

.newsletter-signup__button {
    padding: var(--space-sm) var(--space-lg);
    background-color: var(--color-accent);
    color: var(--color-bg-primary);
    font-size: 0.9375rem;
    font-weight: 500;
    border-radius: 4px;
    white-space: nowrap;
    width: 100%;
    transition: background-color var(--transition-fast);
}

.newsletter-signup__button:hover {
    background-color: var(--color-accent-hover);
}

@media (min-width: 480px) {
    .newsletter-signup__form {
        flex-direction: row;
    }

    .newsletter-signup__button {
        width: auto;
    }
}

/* Form status messages */
.newsletter-signup__status {
    font-family: var(--font-body);
    font-size: 0.8125rem;
    margin-top: var(--space-sm);
    min-height: 1.25em;
}

.newsletter-signup__status--error {
    color: var(--color-text-muted);
}

.newsletter-signup__status--success {
    color: var(--color-text-secondary);
    font-weight: 500;
}


/* ==========================================================================
   11. FOOTER
   ========================================================================== */

.site-footer {
    background-color: var(--color-bg-alt);
    border-top: 1px solid var(--color-border);
    padding-top: var(--space-3xl);
    padding-bottom: var(--space-xl);
}

.site-footer__inner {
    display: flex;
    flex-direction: column;
    gap: var(--space-2xl);
}

/* Footer brand */
.site-footer__brand {
    display: flex;
    flex-direction: column;
    gap: var(--space-xs);
}

.site-logo--footer {
    font-size: 1.125rem;
}

.site-tagline--footer {
    display: inline;
    font-family: var(--font-body);
    font-size: 0.8125rem;
    color: var(--color-text-muted);
    margin-left: 0;
}

/* Footer navigation columns */
.site-footer__nav {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-xl);
}

@media (min-width: 640px) {
    .site-footer__nav {
        grid-template-columns: repeat(3, 1fr);
    }
}

.site-footer__heading {
    display: block;
    font-family: var(--font-body);
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: var(--space-md);
}

.site-footer__list {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.site-footer__link {
    font-family: var(--font-body);
    font-size: 0.875rem;
    color: var(--color-text-secondary);
    text-decoration: none;
    transition: color var(--transition-fast);
}

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

/* Footer bottom bar */
.site-footer__bottom {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
    padding-top: var(--space-xl);
    border-top: 1px solid var(--color-border);
}

@media (min-width: 640px) {
    .site-footer__bottom {
        flex-direction: row;
        justify-content: space-between;
        align-items: center;
    }
}

.site-footer__legal {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-lg);
}

.site-footer__legal .site-footer__link {
    font-size: 0.8125rem;
    color: var(--color-text-muted);
}

.site-footer__copyright {
    font-family: var(--font-body);
    font-size: 0.8125rem;
    color: var(--color-text-muted);
}


/* ==========================================================================
   12. UTILITY CLASSES & PAGE-SPECIFIC STYLES
   ========================================================================== */

/* --- Static Pages (Privacy, Terms, Affiliate Disclosure) --- */

.static-page__header {
    padding-top: var(--space-3xl);
    padding-bottom: var(--space-xl);
}

.static-page__title {
    font-size: 2rem;
}

@media (min-width: 768px) {
    .static-page__title {
        font-size: 2.5rem;
    }
}

.static-page__content {
    padding-bottom: var(--space-3xl);
}

/* --- About Page --- */

.about-page__header {
    padding-top: var(--space-3xl);
    padding-bottom: var(--space-xl);
}

.about-page__title {
    font-size: 2rem;
}

@media (min-width: 768px) {
    .about-page__title {
        font-size: 2.5rem;
    }
}

.about-page__photo {
    margin-bottom: var(--space-2xl);
}

.about-page__image {
    border-radius: 8px;
    max-width: 320px;
}

.about-page__content {
    padding-bottom: var(--space-3xl);
}

/* --- 404 Page --- */

.error-404 {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 50vh;
    text-align: center;
}

.error-404__title {
    margin-bottom: var(--space-md);
}

.error-404__message {
    font-size: 1.0625rem;
    color: var(--color-text-secondary);
    margin-bottom: 0;
}

/* --- State utility classes (toggled by JS) --- */

.is-hidden {
    display: none;
}


/* ==========================================================================
   13. RESPONSIVE BREAKPOINTS
   ========================================================================== */

/*
 * Responsive audit notes (Step 11):
 * - Base styles are mobile-first (320px+)
 * - Component-level breakpoints are defined inline with each component
 * - This section handles cross-cutting refinements and edge cases
 *
 * Breakpoints used throughout: 480px, 640px, 768px, 1024px, 1280px
 * All use min-width (mobile-first) per Protocol 3, Section 4.4
 */

/* --- Global: word-wrap safety to prevent overflow on narrow screens --- */

h1, h2, h3, h4,
.post-card__title,
.hero-card__title,
.single-post__title,
.mobile-menu__link {
    overflow-wrap: break-word;
    word-break: break-word;
}

.post-content a {
    overflow-wrap: break-word;
    word-break: break-all;
}

/* --- Tablet landscape / small desktop (1024px): ensure grids breathe --- */

@media (min-width: 1024px) {
    .hero-section {
        padding-top: var(--space-3xl);
        padding-bottom: var(--space-3xl);
    }

    .hero-card--primary .hero-card__title {
        font-size: 2rem;
    }

    .hero-card__illustration {
        max-height: 260px;
    }
}

/* --- Wide desktop (1280px+): generous spacing, centered content --- */

@media (min-width: 1280px) {
    .hero-card--primary .hero-card__body {
        padding: var(--space-2xl);
    }

    .hero-card--primary .hero-card__title {
        font-size: 2.25rem;
    }

    .hero-card--primary .hero-card__excerpt {
        font-size: 1rem;
    }

    .single-post__header {
        padding-top: var(--space-3xl);
    }

    .single-post__title {
        font-size: 3rem;
    }
}

/* --- Print styles: minimal ink, readable --- */

@media print {
    .site-header,
    .mobile-menu,
    .mobile-menu-toggle,
    .cookie-banner,
    .newsletter-signup,
    .skip-link {
        display: none;
    }

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

    .site-footer {
        border-top: 1px solid #ccc;
    }

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