/*
Theme Name: WaUsername
Theme URI: https://wausername.com
Author: wausername
Description: Clean, fast, simple theme for the wausername.com WhatsApp username generator site. Pairs with the WA Username Generator plugin (v1.2+). Compatible with Yoast/RankMath.
Version: 1.2.0
Requires at least: 6.0
Tested up to: 6.6
Requires PHP: 7.4
License: GPL v2 or later
Text Domain: wausername
*/

/* ==========================================================================
   RESET & VARIABLES
   ========================================================================== */
*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; padding: 0; }

:root {
    /* Colors */
    --bg: #FAFAF7;
    --bg-alt: #FFFFFF;
    --ink: #1A1A1A;
    --ink-soft: #4A4A48;
    --ink-mute: #7A7A78;
    --line: #E5E3DD;
    --line-strong: #CFCDC5;
    --accent: #25D366;
    --accent-deep: #075E54;
    --accent-soft: #E8FBF0;

    /* Typography */
    --font-body: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    --font-display: "Fraunces", Georgia, serif;
    --font-mono: "SF Mono", Menlo, Consolas, "Liberation Mono", monospace;

    /* Layout */
    --container: 1000px;
    --container-tight: 720px;
    --radius: 12px;
    --radius-sm: 8px;
}

/* ==========================================================================
   BASE
   ========================================================================== */
html {
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
}
body {
    font-family: var(--font-body);
    background: var(--bg);
    color: var(--ink);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    font-size: 16px;
}
#site-main { flex: 1; }
img { max-width: 100%; height: auto; display: block; }
a { color: var(--accent-deep); }
a:hover { color: var(--ink); }

.container { max-width: var(--container); margin: 0 auto; padding: 0 20px; }
.container-tight { max-width: var(--container-tight); margin: 0 auto; padding: 0 20px; }
.screen-reader-text {
    position: absolute !important;
    clip: rect(1px,1px,1px,1px);
    width: 1px; height: 1px;
    overflow: hidden;
}

/* ==========================================================================
   HEADER
   ========================================================================== */
.site-header {
    border-bottom: 1px solid var(--line);
    background: rgba(250, 250, 247, 0.9);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    position: sticky;
    top: 0;
    z-index: 100;
}
.header-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 14px 20px;
    max-width: var(--container);
    margin: 0 auto;
}
.site-logo {
    font-family: var(--font-display);
    font-weight: 500;
    font-size: 20px;
    color: var(--ink);
    text-decoration: none;
    letter-spacing: -0.02em;
}
.site-logo:hover { color: var(--ink); }
.site-logo .at { color: var(--accent-deep); font-style: italic; }

.main-nav ul {
    list-style: none;
    display: flex;
    gap: 24px;
    margin: 0;
    padding: 0;
}
.main-nav a {
    color: var(--ink-soft);
    text-decoration: none;
    font-size: 14px;
    font-weight: 500;
    transition: color .15s;
}
.main-nav a:hover { color: var(--ink); }

.menu-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    font-size: 22px;
    color: var(--ink);
    padding: 4px 8px;
}

/* ==========================================================================
   HOMEPAGE HERO (small, focused)
   ========================================================================== */
.home-hero {
    padding: 48px 0 24px;
    text-align: center;
}
.eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--accent-deep);
    background: var(--accent-soft);
    padding: 6px 12px;
    border-radius: 999px;
    margin-bottom: 20px;
}
.eyebrow-dot {
    width: 6px; height: 6px;
    background: var(--accent);
    border-radius: 50%;
    animation: pulse 2s ease-in-out infinite;
}
@keyframes pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.5; transform: scale(1.4); }
}

.home-title {
    font-family: var(--font-display);
    font-weight: 500;
    font-size: clamp(1.8rem, 5vw, 2.75rem);
    line-height: 1.15;
    letter-spacing: -0.02em;
    color: var(--ink);
    margin-bottom: 16px;
}
.home-lede {
    font-size: 16px;
    line-height: 1.6;
    color: var(--ink-soft);
    max-width: 560px;
    margin: 0 auto;
}

/* ==========================================================================
   GENERATOR SECTION
   ========================================================================== */
.generator-section {
    padding: 24px 0 56px;
}
.plugin-missing {
    padding: 16px 20px;
    background: #FEF3C7;
    border: 1px solid #F0C56B;
    border-radius: var(--radius-sm);
    color: #6B5A1F;
    font-size: 14px;
    text-align: center;
    max-width: 600px;
    margin: 0 auto;
}

/* ==========================================================================
   UNIFIED GENERATOR — theme overrides on plugin's plain styles
   ========================================================================== */
.generator-section .waug-unified {
    background: var(--bg-alt);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    box-shadow: 0 1px 3px rgba(0,0,0,0.03), 0 8px 32px rgba(0,0,0,0.04);
    padding: 28px;
    margin: 0 auto;
    max-width: var(--container-tight);
    font-family: var(--font-body);
}
.generator-section .waug-u-field {
    margin-bottom: 20px;
}
.generator-section .waug-u-label {
    display: block;
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--ink-mute);
    margin-bottom: 10px;
}
.generator-section .waug-u-name {
    width: 100%;
    padding: 12px 14px;
    border: 1.5px solid var(--line-strong);
    border-radius: var(--radius-sm);
    font-size: 15px;
    font-family: var(--font-body);
    color: var(--ink);
    background: var(--bg-alt);
    transition: border-color .15s;
    box-sizing: border-box;
}
.generator-section .waug-u-name:focus {
    outline: none;
    border-color: var(--accent);
}
.generator-section .waug-u-hint {
    display: block;
    margin-top: 6px;
    font-size: 12px;
    color: var(--ink-mute);
}
.generator-section .waug-u-cats {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}
.generator-section .waug-u-cat {
    font-family: var(--font-body);
    font-size: 13px;
    font-weight: 500;
    padding: 8px 13px;
    border: 1px solid var(--line-strong);
    background: transparent;
    color: var(--ink-soft);
    border-radius: 999px;
    cursor: pointer;
    transition: all .15s;
}
.generator-section .waug-u-cat:hover {
    border-color: var(--accent);
    color: var(--ink);
}
.generator-section .waug-u-cat.is-active {
    background: var(--ink);
    border-color: var(--ink);
    color: white;
}
.generator-section .waug-u-opts {
    display: flex;
    flex-wrap: wrap;
    gap: 14px 20px;
    padding: 12px 14px;
    background: var(--bg);
    border-radius: var(--radius-sm);
}
.generator-section .waug-u-check {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    color: var(--ink-soft);
    cursor: pointer;
    user-select: none;
}
.generator-section .waug-u-check input {
    accent-color: var(--accent);
    cursor: pointer;
    width: 16px;
    height: 16px;
}
.generator-section .waug-u-btn {
    display: block;
    width: 100%;
    padding: 15px 22px;
    background: var(--ink);
    color: white;
    border: none;
    border-radius: var(--radius-sm);
    font-family: var(--font-body);
    font-weight: 600;
    font-size: 15px;
    cursor: pointer;
    transition: background .15s ease;
    line-height: 1.2;
    text-align: center;
    margin-top: 8px;
}
.generator-section .waug-u-btn:hover {
    background: var(--accent-deep);
}
.generator-section .waug-u-btn:active {
    transform: translateY(1px);
}
.generator-section .waug-u-btn:disabled {
    opacity: 0.6;
    cursor: wait;
}
.generator-section .waug-u-results {
    margin-top: 22px;
}
.generator-section .waug-u-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    gap: 8px;
}
.generator-section .waug-u-card {
    background: var(--accent-soft);
    border: 1px solid #C5EFD6;
    padding: 12px 14px;
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
    transition: all .15s ease;
}
.generator-section .waug-u-card:hover {
    border-color: var(--accent);
    transform: translateY(-1px);
}
.generator-section .waug-u-username {
    font-family: var(--font-mono);
    font-size: 13px;
    font-weight: 600;
    color: var(--accent-deep);
    word-break: break-all;
}
.generator-section .waug-u-copy {
    background: white;
    border: 1px solid #C5EFD6;
    color: var(--accent-deep);
    padding: 5px 10px;
    border-radius: 5px;
    font-family: var(--font-body);
    font-size: 11px;
    font-weight: 600;
    cursor: pointer;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    flex-shrink: 0;
}
.generator-section .waug-u-copy:hover {
    background: var(--accent-deep);
    color: white;
    border-color: var(--accent-deep);
}
.generator-section .waug-u-copy.copied {
    background: var(--accent);
    color: white;
    border-color: var(--accent);
}
.generator-section .waug-u-mode-ai,
.generator-section .waug-u-mode-db {
    padding: 10px 14px;
    border-radius: 6px;
    font-size: 12px;
    margin-bottom: 12px;
    line-height: 1.5;
}
.generator-section .waug-u-mode-ai {
    background: var(--accent-soft);
    border: 1px solid #B7E5C9;
    color: var(--accent-deep);
}
.generator-section .waug-u-mode-db {
    background: var(--bg);
    border: 1px solid var(--line);
    color: var(--ink-mute);
}
.generator-section .waug-u-loading,
.generator-section .waug-u-empty {
    text-align: center;
    padding: 24px 16px;
    color: var(--ink-mute);
    font-size: 14px;
    font-style: italic;
}
.generator-section .waug-u-note {
    margin-top: 18px;
    padding: 12px 16px;
    background: #FEFAEC;
    border-left: 3px solid #D4A85A;
    border-radius: 4px;
    font-size: 12px;
    color: #6B5A1F;
    line-height: 1.55;
}
.generator-section .waug-u-note strong {
    color: #4A3F12;
}

/* ==========================================================================
   CONTENT BLOCKS (About, How-to, Rules, FAQ)
   ========================================================================== */
.content-block {
    padding: 56px 0;
}
.content-block-alt {
    background: var(--bg-alt);
    border-top: 1px solid var(--line);
    border-bottom: 1px solid var(--line);
}
.block-label {
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--accent-deep);
    margin-bottom: 12px;
}
.content-block h2 {
    font-family: var(--font-display);
    font-weight: 500;
    font-size: clamp(1.5rem, 3.5vw, 2.1rem);
    line-height: 1.2;
    letter-spacing: -0.015em;
    color: var(--ink);
    margin-bottom: 20px;
}
.block-lede {
    font-size: 16px;
    color: var(--ink-soft);
    margin-bottom: 32px;
    max-width: 600px;
    line-height: 1.6;
}

/* Prose (About section) */
.prose p {
    font-size: 16px;
    line-height: 1.75;
    color: var(--ink-soft);
    margin-bottom: 1.3em;
}
.prose p:last-child { margin-bottom: 0; }

/* Steps (How to reserve) */
.steps {
    list-style: none;
    padding: 0;
    margin: 0;
}
.step {
    display: grid;
    grid-template-columns: 44px 1fr;
    gap: 20px;
    padding: 22px 0;
    border-bottom: 1px solid var(--line);
}
.step:last-child { border-bottom: none; }
.step-num {
    width: 40px;
    height: 40px;
    background: var(--accent);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 16px;
    flex-shrink: 0;
}
.step-body h3 {
    font-family: var(--font-body);
    font-weight: 600;
    font-size: 17px;
    color: var(--ink);
    margin-bottom: 8px;
    line-height: 1.4;
}
.step-body p {
    font-size: 15px;
    color: var(--ink-soft);
    line-height: 1.65;
}

/* Rule list */
.rule-list {
    list-style: none;
    padding: 0;
    margin: 0;
}
.rule-list li {
    padding: 16px 0;
    border-bottom: 1px solid var(--line);
    font-size: 15px;
    color: var(--ink-soft);
    line-height: 1.6;
}
.rule-list li:last-child { border-bottom: none; }
.rule-list strong {
    color: var(--ink);
    display: inline-block;
    margin-right: 4px;
}

/* FAQ */
.faq-list {
    padding: 0;
    margin: 0;
}
.faq-item {
    border-bottom: 1px solid var(--line);
    padding: 18px 0;
}
.faq-item summary {
    cursor: pointer;
    font-family: var(--font-body);
    font-weight: 600;
    font-size: 16px;
    color: var(--ink);
    list-style: none;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 16px;
    padding: 4px 0;
    line-height: 1.5;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
    content: '+';
    font-family: var(--font-display);
    font-weight: 300;
    font-size: 22px;
    color: var(--accent-deep);
    transition: transform .2s;
    flex-shrink: 0;
    line-height: 1;
}
.faq-item[open] summary::after { transform: rotate(45deg); }
.faq-item p {
    margin-top: 12px;
    color: var(--ink-soft);
    font-size: 15px;
    line-height: 1.65;
}

/* ==========================================================================
   PAGES (category pages, generic pages)
   ========================================================================== */
.page-content,
.post-content {
    max-width: var(--container-tight);
    margin: 0 auto;
    padding: 48px 20px;
}
.page-title,
.post-title {
    font-family: var(--font-display);
    font-weight: 500;
    font-size: clamp(1.75rem, 4vw, 2.4rem);
    line-height: 1.2;
    letter-spacing: -0.02em;
    color: var(--ink);
    margin-bottom: 20px;
}
.post-meta {
    font-size: 13px;
    color: var(--ink-mute);
    margin-bottom: 28px;
    font-family: var(--font-mono);
}
.entry-content {
    font-size: 16px;
    line-height: 1.7;
    color: var(--ink-soft);
}
.entry-content > * + * { margin-top: 1.2em; }
.entry-content h2 {
    font-family: var(--font-display);
    font-weight: 500;
    font-size: 24px;
    color: var(--ink);
    margin-top: 1.6em;
    letter-spacing: -0.015em;
}
.entry-content h3 {
    font-family: var(--font-body);
    font-weight: 600;
    font-size: 19px;
    color: var(--ink);
    margin-top: 1.5em;
}
.entry-content a {
    color: var(--accent-deep);
    text-decoration: underline;
    text-underline-offset: 3px;
}
.entry-content a:hover { color: var(--ink); }
.entry-content ul, .entry-content ol { padding-left: 1.5em; }
.entry-content li { margin: 0.4em 0; }
.entry-content code {
    font-family: var(--font-mono);
    font-size: 0.9em;
    background: var(--bg);
    padding: 2px 6px;
    border-radius: 4px;
    color: var(--accent-deep);
    border: 1px solid var(--line);
}

/* ==========================================================================
   BLOG ARCHIVE
   ========================================================================== */
.archive-header {
    padding: 48px 20px 32px;
    max-width: var(--container);
    margin: 0 auto;
}
.archive-title {
    font-family: var(--font-display);
    font-weight: 500;
    font-size: clamp(1.75rem, 4vw, 2.4rem);
    letter-spacing: -0.02em;
    color: var(--ink);
}
.archive-description {
    font-size: 16px;
    color: var(--ink-soft);
    margin-top: 12px;
    max-width: 600px;
}
.post-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 20px;
    max-width: var(--container);
    margin: 0 auto 56px;
    padding: 0 20px;
}
.post-card {
    background: var(--bg-alt);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: 24px;
    text-decoration: none;
    color: inherit;
    transition: all .15s;
    display: block;
}
.post-card:hover {
    border-color: var(--accent);
    transform: translateY(-2px);
    color: inherit;
}
.post-card h3 {
    font-family: var(--font-display);
    font-weight: 500;
    font-size: 20px;
    letter-spacing: -0.015em;
    margin-bottom: 10px;
    color: var(--ink);
}
.post-card .excerpt {
    font-size: 14px;
    color: var(--ink-soft);
    line-height: 1.55;
}
.post-card .post-meta {
    font-size: 11px;
    margin-bottom: 12px;
    margin-top: 0;
}
.pagination {
    display: flex;
    justify-content: center;
    gap: 8px;
    margin: 32px 0 64px;
}
.pagination a, .pagination span {
    padding: 8px 14px;
    border: 1px solid var(--line-strong);
    border-radius: 6px;
    text-decoration: none;
    font-size: 14px;
    color: var(--ink-soft);
}
.pagination .current {
    background: var(--ink);
    color: white;
    border-color: var(--ink);
}

/* ==========================================================================
   FOOTER
   ========================================================================== */
.footer-widgets {
    padding: 48px 0 28px;
    background: var(--bg-alt);
    border-top: 1px solid var(--line);
}
.footer-widgets-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
    max-width: var(--container);
    margin: 0 auto;
    padding: 0 20px;
}
.footer-col { font-size: 14px; color: var(--ink-soft); line-height: 1.6; }
.footer-widget-title {
    font-family: var(--font-display);
    font-weight: 500;
    font-size: 15px;
    color: var(--ink);
    margin-bottom: 12px;
    letter-spacing: -0.01em;
}
.footer-widget ul { list-style: none; padding: 0; }
.footer-widget li { padding: 3px 0; }
.footer-widget a { color: var(--ink-soft); text-decoration: none; }
.footer-widget a:hover { color: var(--accent-deep); }

.footer-bottom {
    padding: 32px 0;
    border-top: 1px solid var(--line);
    text-align: center;
    background: var(--bg);
}
.footer-nav-wrapper ul,
.footer-nav-fallback {
    list-style: none;
    padding: 0;
    margin: 0 0 12px;
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 4px 0;
}
.footer-nav-wrapper li,
.footer-nav-fallback a { margin: 0 12px; }
.footer-nav-wrapper a,
.footer-nav-fallback a {
    color: var(--ink-soft);
    text-decoration: none;
    font-size: 13px;
}
.footer-nav-wrapper a:hover,
.footer-nav-fallback a:hover { color: var(--ink); }

.footer-socials {
    display: flex;
    justify-content: center;
    gap: 14px;
    margin: 12px 0 16px;
    font-size: 12px;
}
.footer-socials a {
    color: var(--ink-mute);
    text-decoration: none;
    font-weight: 500;
    letter-spacing: 0.03em;
    text-transform: uppercase;
}
.footer-socials a:hover { color: var(--accent-deep); }

.footer-disclaimer {
    font-size: 12px;
    color: var(--ink-mute);
    margin: 0;
}

/* ==========================================================================
   404 & SEARCH
   ========================================================================== */
.error-404, .search-no-results {
    text-align: center;
    padding: 80px 20px;
    max-width: var(--container-tight);
    margin: 0 auto;
}
.error-404 h1 {
    font-family: var(--font-display);
    font-size: clamp(3rem, 8vw, 5rem);
    font-weight: 500;
    color: var(--accent-deep);
    margin-bottom: 16px;
}

/* ==========================================================================
   MOBILE
   ========================================================================== */
@media (max-width: 768px) {
    .menu-toggle { display: block; }
    .main-nav {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--bg);
        border-bottom: 1px solid var(--line);
        padding: 16px 20px;
    }
    .main-nav.is-open { display: block; }
    .main-nav.is-open ul {
        flex-direction: column;
        gap: 12px;
    }

    .home-hero { padding: 32px 0 20px; }

    .generator-section .waug-unified { padding: 22px 18px; }
    .generator-section .waug-u-opts { flex-direction: column; gap: 10px; padding: 12px; }
    .generator-section .waug-u-grid { grid-template-columns: 1fr; }

    .content-block { padding: 44px 0; }
    .step { grid-template-columns: 36px 1fr; gap: 14px; padding: 18px 0; }
    .step-num { width: 32px; height: 32px; font-size: 14px; }

    .footer-widgets-grid { grid-template-columns: 1fr; gap: 28px; }
}

@media (max-width: 540px) {
    .generator-section .waug-u-cats { gap: 5px; }
    .generator-section .waug-u-cat { font-size: 12px; padding: 7px 11px; }
}

/* ==========================================================================
   FULL-WIDTH CONTENT CONTAINER (v1.3 single-page approach)
   One clean flow, no boxed sections, readable width inside.
   ========================================================================== */
.page-content-container {
    padding: 40px 0 80px;
    background: var(--bg);
}
.page-content-inner {
    max-width: 780px;
    margin: 0 auto;
    padding: 0 20px;
}

.content-block-item {
    padding: 40px 0;
    border-bottom: 1px solid var(--line);
}
.content-block-item:first-child {
    padding-top: 20px;
}
.content-block-item:last-child {
    border-bottom: none;
    padding-bottom: 20px;
}
.content-block-item h2 {
    font-family: var(--font-display);
    font-weight: 500;
    font-size: clamp(1.5rem, 3vw, 1.9rem);
    line-height: 1.2;
    letter-spacing: -0.015em;
    color: var(--ink);
    margin-bottom: 18px;
}
.content-block-item > p {
    font-size: 16px;
    line-height: 1.75;
    color: var(--ink-soft);
    margin-bottom: 1.2em;
}
.content-block-item > p:last-child {
    margin-bottom: 0;
}

/* Numbered steps */
.content-steps {
    list-style: none;
    counter-reset: step-count;
    padding: 0;
    margin: 24px 0 0 0;
}
.content-steps > li {
    counter-increment: step-count;
    padding: 18px 0 18px 56px;
    position: relative;
    font-size: 15px;
    color: var(--ink-soft);
    line-height: 1.65;
    border-bottom: 1px solid var(--line);
}
.content-steps > li:last-child {
    border-bottom: none;
}
.content-steps > li::before {
    content: counter(step-count);
    position: absolute;
    left: 0;
    top: 16px;
    width: 40px;
    height: 40px;
    background: var(--accent);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 15px;
}
.content-steps strong {
    color: var(--ink);
    display: block;
    margin-bottom: 4px;
    font-size: 16px;
}

/* Rules list */
.content-rules {
    list-style: none;
    padding: 0;
    margin: 24px 0 0 0;
}
.content-rules > li {
    padding: 16px 0;
    border-bottom: 1px solid var(--line);
    font-size: 15px;
    color: var(--ink-soft);
    line-height: 1.65;
}
.content-rules > li:last-child {
    border-bottom: none;
}
.content-rules strong {
    color: var(--ink);
    display: block;
    margin-bottom: 4px;
    font-size: 16px;
}

/* Category grid */
.category-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 16px;
    margin-top: 24px;
}
.category-item {
    padding: 16px 18px;
    background: var(--bg-alt);
    border: 1px solid var(--line);
    border-radius: 8px;
    transition: all .15s ease;
}
.category-item:hover {
    border-color: var(--accent);
    transform: translateY(-1px);
}
.category-item h4 {
    font-family: var(--font-body);
    font-weight: 600;
    font-size: 15px;
    color: var(--ink);
    margin-bottom: 6px;
}
.category-item p {
    font-size: 13px;
    color: var(--ink-soft);
    line-height: 1.5;
    margin: 0;
}

/* Tips grid */
.tips-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 20px;
    margin-top: 24px;
}
.tip {
    padding: 20px 22px;
    background: var(--bg-alt);
    border: 1px solid var(--line);
    border-left: 3px solid var(--accent);
    border-radius: 6px;
}
.tip h4 {
    font-family: var(--font-body);
    font-weight: 600;
    font-size: 16px;
    color: var(--ink);
    margin-bottom: 8px;
}
.tip p {
    font-size: 14px;
    color: var(--ink-soft);
    line-height: 1.6;
    margin: 0;
}

@media (max-width: 640px) {
    .page-content-container { padding: 24px 0 56px; }
    .content-block-item { padding: 28px 0; }
    .category-grid { grid-template-columns: 1fr; }
    .tips-grid { grid-template-columns: 1fr; }
    .content-steps > li { padding: 16px 0 16px 48px; }
    .content-steps > li::before { width: 34px; height: 34px; font-size: 13px; top: 14px; }
}