/*!
Theme Name: Apple Refurb
Theme URI: https://apple-refurb.local/
Author: Apple Refurb
Author URI: https://apple-refurb.local/
Description: A purpose-built, fully custom WooCommerce theme for a certified second-hand / refurbished Apple products store. Hand-coded (no page builder), follows WordPress + WooCommerce core template architecture so plugins drop in cleanly.
Version: 0.1.0
Requires at least: 6.2
Tested up to: 6.9
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: apple-refurb
Tags: e-commerce, woocommerce, custom-colors, custom-logo, custom-menu, featured-images, threaded-comments, translation-ready, two-columns, right-sidebar
WC requires at least: 8.0
WC tested up to: 9.9

Apple Refurb is free software. This theme, like WordPress, is licensed under the GPL.
*/

/* =========================================================================
   1. Design tokens (CSS custom properties)
   ========================================================================= */
:root {
    /* Palette — Apple-like neutral system */
    --arf-black: #1d1d1f;
    --arf-ink: #1d1d1f;
    --arf-gray-900: #1d1d1f;
    --arf-gray-700: #424245;
    --arf-gray-500: #6e6e73;
    --arf-gray-300: #d2d2d7;
    --arf-gray-200: #e8e8ed;
    --arf-gray-100: #f5f5f7;
    --arf-white: #ffffff;
    --arf-accent: #0071e3;       /* Apple blue */
    --arf-accent-dark: #0058b9;
    --arf-success: #1d8a3f;
    --arf-warn: #b25000;
    --arf-danger: #d70015;

    /* Typography */
    --arf-font-sans: -apple-system, BlinkMacSystemFont, "SF Pro Text", "SF Pro Display", "Segoe UI", Roboto, "Helvetica Neue", Arial, "PingFang SC", "Microsoft YaHei", sans-serif;
    --arf-fs-base: 17px;
    --arf-lh-base: 1.6;

    /* Layout */
    --arf-container: 1200px;
    --arf-container-wide: 1440px;
    --arf-gutter: 24px;
    --arf-radius: 14px;
    --arf-radius-sm: 10px;
    --arf-radius-lg: 22px;

    /* Effects */
    --arf-shadow-sm: 0 1px 3px rgba(0,0,0,.06), 0 1px 2px rgba(0,0,0,.04);
    --arf-shadow: 0 6px 20px rgba(0,0,0,.08);
    --arf-shadow-lg: 0 18px 50px rgba(0,0,0,.14);
    --arf-transition: 0.25s cubic-bezier(.4,0,.2,1);

    /* Header */
    --arf-header-h: 64px;
}

/* =========================================================================
   2. Base reset & elements
   ========================================================================= */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
    margin: 0;
    font-family: var(--arf-font-sans);
    font-size: var(--arf-fs-base);
    line-height: var(--arf-lh-base);
    color: var(--arf-ink);
    background: var(--arf-white);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}
h1, h2, h3, h4, h5, h6 { margin: 0 0 .5em; line-height: 1.12; font-weight: 600; letter-spacing: -0.01em; color: var(--arf-gray-900); }
h1 { font-size: clamp(2rem, 4vw, 3rem); }
h2 { font-size: clamp(1.6rem, 3vw, 2.25rem); }
h3 { font-size: clamp(1.25rem, 2vw, 1.5rem); }
p { margin: 0 0 1em; }
a { color: var(--arf-accent); text-decoration: none; transition: color var(--arf-transition); }
a:hover { color: var(--arf-accent-dark); text-decoration: underline; }
img { max-width: 100%; height: auto; display: block; }
ul, ol { padding-left: 1.25em; }
figure { margin: 0; }
hr { border: 0; border-top: 1px solid var(--arf-gray-200); margin: 2rem 0; }
blockquote { margin: 1.5rem 0; padding-left: 1.25rem; border-left: 3px solid var(--arf-gray-300); color: var(--arf-gray-700); }
code, pre { font-family: "SF Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; }
:focus-visible { outline: 2px solid var(--arf-accent); outline-offset: 2px; }

/* =========================================================================
   3. Layout helpers
   ========================================================================= */
.arf-container { width: 100%; max-width: var(--arf-container); margin-inline: auto; padding-inline: var(--arf-gutter); }
.arf-container--wide { max-width: var(--arf-container-wide); }
.arf-section { padding-block: clamp(48px, 7vw, 96px); }
.arf-section--tight { padding-block: clamp(32px, 4vw, 56px); }
.arf-grid { display: grid; gap: var(--arf-gutter); }
.screen-reader-text {
    border: 0; clip: rect(1px,1px,1px,1px); clip-path: inset(50%);
    height: 1px; width: 1px; margin: -1px; overflow: hidden; padding: 0; position: absolute; word-wrap: normal !important;
}
.skip-link { position: absolute; left: -9999px; z-index: 999; padding: .75rem 1rem; background: var(--arf-black); color: #fff; border-radius: 0 0 var(--arf-radius-sm) 0; }
.skip-link:focus { left: 0; top: 0; color: #fff; text-decoration: none; }
.arf-eyebrow { text-transform: uppercase; letter-spacing: .08em; font-size: .8rem; font-weight: 600; color: var(--arf-accent); }
.arf-section__head { text-align: center; max-width: 720px; margin: 0 auto clamp(28px, 4vw, 48px); }
.arf-section__head p { color: var(--arf-gray-500); font-size: 1.1rem; }

/* =========================================================================
   4. Buttons
   ========================================================================= */
.arf-btn, .button, button, input[type="submit"], .woocommerce a.button, .woocommerce button.button {
    display: inline-flex; align-items: center; justify-content: center; gap: .5em;
    font: inherit; font-weight: 500; line-height: 1; cursor: pointer;
    padding: .85em 1.5em; border-radius: 980px; border: 1px solid transparent;
    background: var(--arf-accent); color: #fff;
    transition: background var(--arf-transition), transform var(--arf-transition), box-shadow var(--arf-transition);
}
.arf-btn:hover, .button:hover, .woocommerce a.button:hover, .woocommerce button.button:hover { background: var(--arf-accent-dark); color: #fff; text-decoration: none; transform: translateY(-1px); }
.arf-btn--ghost { background: transparent; color: var(--arf-accent); border-color: var(--arf-gray-300); }
.arf-btn--ghost:hover { background: var(--arf-gray-100); color: var(--arf-accent); }
.arf-btn--dark { background: var(--arf-black); }
.arf-btn--dark:hover { background: #000; }
.arf-btn--lg { padding: 1.05em 2em; font-size: 1.05rem; }

/* =========================================================================
   5. Site header
   ========================================================================= */
.arf-header { position: sticky; top: 0; z-index: 100; background: rgba(255,255,255,.82); backdrop-filter: saturate(180%) blur(20px); -webkit-backdrop-filter: saturate(180%) blur(20px); border-bottom: 1px solid var(--arf-gray-200); }
.arf-header__inner { display: flex; align-items: center; gap: 1.5rem; min-height: var(--arf-header-h); }
.arf-branding { display: flex; align-items: center; gap: .6rem; font-weight: 600; font-size: 1.15rem; color: var(--arf-gray-900); }
.arf-branding a { color: inherit; text-decoration: none; }
.arf-branding__logo img { max-height: 32px; width: auto; }
.arf-header__nav { margin-left: auto; }
.arf-menu { display: flex; align-items: center; gap: 1.6rem; list-style: none; margin: 0; padding: 0; }
.arf-menu a { color: var(--arf-gray-700); font-size: .95rem; text-decoration: none; }
.arf-menu a:hover { color: var(--arf-gray-900); }
.arf-menu .current-menu-item > a { color: var(--arf-gray-900); font-weight: 500; }
.arf-header__actions { display: flex; align-items: center; gap: 1rem; }
.arf-icon-link { color: var(--arf-gray-900); display: inline-flex; position: relative; }
.arf-cart-count { position: absolute; top: -8px; right: -10px; min-width: 18px; height: 18px; padding: 0 5px; border-radius: 9px; background: var(--arf-accent); color: #fff; font-size: .7rem; line-height: 18px; text-align: center; }
.arf-nav-toggle { display: none; background: none; border: 0; padding: .4rem; cursor: pointer; color: var(--arf-gray-900); border-radius: 8px; }

/* =========================================================================
   6. Hero & home sections
   ========================================================================= */
.arf-hero { background: linear-gradient(180deg, var(--arf-gray-100) 0%, #fff 100%); text-align: center; padding-block: clamp(56px, 8vw, 120px); }
.arf-hero h1 { margin-bottom: .25em; }
.arf-hero__sub { font-size: clamp(1.1rem, 2vw, 1.4rem); color: var(--arf-gray-500); max-width: 640px; margin: 0 auto 1.75rem; }
.arf-hero__actions { display: flex; gap: 1rem; justify-content: center; flex-wrap: wrap; }

.arf-cat-grid { grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); }
.arf-cat-card { display: flex; flex-direction: column; align-items: center; text-align: center; gap: .75rem; padding: 2rem 1rem; background: var(--arf-gray-100); border-radius: var(--arf-radius); transition: transform var(--arf-transition), box-shadow var(--arf-transition); color: var(--arf-gray-900); }
.arf-cat-card:hover { transform: translateY(-4px); box-shadow: var(--arf-shadow); text-decoration: none; color: var(--arf-gray-900); }
.arf-cat-card__media { width: 96px; height: 96px; display: grid; place-items: center; }
.arf-cat-card__media img { width: 100%; height: 100%; object-fit: contain; }
.arf-cat-card h3 { margin: 0; font-size: 1.05rem; }
.arf-cat-card span { font-size: .85rem; color: var(--arf-gray-500); }

.arf-trust { background: var(--arf-gray-100); }
.arf-trust__grid { grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); }
.arf-trust__item { text-align: center; padding: 1rem; }
.arf-trust__item h3 { font-size: 1.05rem; margin-bottom: .25rem; }
.arf-trust__item p { color: var(--arf-gray-500); font-size: .92rem; margin: 0; }
.arf-trust__icon { width: 44px; height: 44px; margin: 0 auto .75rem; color: var(--arf-accent); }

/* =========================================================================
   7. Product grid (theme-level, complements woocommerce.css)
   ========================================================================= */
.arf-products { grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); }

/* =========================================================================
   8. Content / blog / pages
   ========================================================================= */
.arf-main { padding-block: clamp(32px, 5vw, 64px); }
.arf-layout { display: grid; grid-template-columns: 1fr; gap: clamp(32px, 5vw, 56px); }
.arf-layout--sidebar { grid-template-columns: minmax(0, 1fr) 300px; }
.arf-article { margin-bottom: 3rem; }
.arf-article__thumb img { border-radius: var(--arf-radius); width: 100%; object-fit: cover; }
.arf-entry-meta { color: var(--arf-gray-500); font-size: .9rem; margin-bottom: 1rem; display: flex; gap: 1rem; flex-wrap: wrap; }
.arf-entry-meta a { color: var(--arf-gray-700); }
.arf-page-header { margin-bottom: 2.5rem; }
.arf-pagination { margin-top: 2.5rem; }
.arf-pagination .page-numbers { display: inline-flex; min-width: 40px; height: 40px; align-items: center; justify-content: center; padding: 0 .5rem; border-radius: 10px; border: 1px solid var(--arf-gray-200); margin: 0 3px; color: var(--arf-gray-700); }
.arf-pagination .page-numbers.current { background: var(--arf-gray-900); color: #fff; border-color: var(--arf-gray-900); }

/* =========================================================================
   9. Sidebar / widgets
   ========================================================================= */
.arf-widget { margin-bottom: 2rem; }
.arf-widget .widget-title { font-size: 1rem; text-transform: uppercase; letter-spacing: .05em; color: var(--arf-gray-500); margin-bottom: 1rem; }

/* =========================================================================
   10. Footer
   ========================================================================= */
.arf-footer { background: var(--arf-gray-100); color: var(--arf-gray-700); padding-block: clamp(40px, 6vw, 72px) 2rem; margin-top: clamp(48px, 7vw, 96px); border-top: 1px solid var(--arf-gray-200); }
.arf-footer__cols { grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 2rem; margin-bottom: 2.5rem; }
.arf-footer h4 { font-size: .9rem; text-transform: uppercase; letter-spacing: .05em; color: var(--arf-gray-500); margin-bottom: 1rem; }
.arf-footer ul { list-style: none; margin: 0; padding: 0; }
.arf-footer li { margin-bottom: .5rem; }
.arf-footer a { color: var(--arf-gray-700); font-size: .92rem; }
.arf-footer a:hover { color: var(--arf-gray-900); }
.arf-footer__bottom { display: flex; justify-content: space-between; gap: 1rem; flex-wrap: wrap; padding-top: 1.5rem; border-top: 1px solid var(--arf-gray-200); font-size: .82rem; color: var(--arf-gray-500); }

/* =========================================================================
   11. Responsive
   ========================================================================= */
@media (max-width: 900px) {
    .arf-layout--sidebar { grid-template-columns: 1fr; }
}
@media (max-width: 768px) {
    .arf-header__nav { position: fixed; inset: var(--arf-header-h) 0 auto 0; background: #fff; border-bottom: 1px solid var(--arf-gray-200); transform: translateY(-120%); transition: transform var(--arf-transition); padding: 1rem var(--arf-gutter); margin: 0; }
    .arf-header__nav.is-open { transform: translateY(0); box-shadow: var(--arf-shadow); }
    .arf-menu { flex-direction: column; align-items: flex-start; gap: 1rem; }
    .arf-nav-toggle { display: inline-flex; margin-left: auto; }
}

/* =========================================================================
   12. Additional components
   ========================================================================= */
.arf-announce { background: var(--arf-gray-900); color: #fff; text-align: center; font-size: .85rem; padding: .55rem 0; }
.arf-announce a { color: #fff; text-decoration: underline; }
.arf-header.is-scrolled { box-shadow: 0 1px 0 rgba(0,0,0,.06); }

/* Listing cards */
.arf-article--card { display: grid; grid-template-columns: 280px 1fr; gap: 1.75rem; align-items: start; margin-bottom: 2.5rem; }
.arf-article--card .arf-article__thumb { display: block; overflow: hidden; border-radius: var(--arf-radius); }
.arf-article--card .arf-article__thumb img { transition: transform var(--arf-transition); width: 100%; aspect-ratio: 4 / 3; object-fit: cover; }
.arf-article--card:hover .arf-article__thumb img { transform: scale(1.03); }
.arf-article__body .entry-title { margin: .25rem 0 .5rem; font-size: 1.4rem; }
.arf-article__body .entry-title a { color: var(--arf-gray-900); }
.arf-article__excerpt { color: var(--arf-gray-700); }
.arf-readmore { font-weight: 500; }
@media (max-width: 640px) { .arf-article--card { grid-template-columns: 1fr; } }

/* Single / page prose */
.arf-single .arf-article__content, .arf-article--page .arf-article__content { max-width: 760px; }
.arf-single .arf-article__header { margin-bottom: 1.5rem; }
.entry-content > * { margin-bottom: 1.1em; }

/* Post navigation */
.post-navigation { margin: 2.5rem 0; display: flex; justify-content: space-between; gap: 1rem; border-top: 1px solid var(--arf-gray-200); padding-top: 1.5rem; }
.post-navigation .nav-subtitle { display: block; font-size: .72rem; text-transform: uppercase; letter-spacing: .05em; color: var(--arf-gray-500); }
.post-navigation .nav-title { color: var(--arf-gray-900); font-weight: 500; }

/* Search form */
.arf-searchform { display: flex; gap: .5rem; max-width: 480px; }
.arf-searchform__input { flex: 1; padding: .8rem 1.1rem; border: 1px solid var(--arf-gray-300); border-radius: 980px; font: inherit; }
.arf-searchform__submit { padding-inline: 1.1rem; }

/* Sidebar */
.arf-sidebar { align-self: start; position: sticky; top: calc(var(--arf-header-h) + 24px); }

/* No results / 404 */
.arf-no-results__body { color: var(--arf-gray-700); max-width: 560px; }
.arf-404 { text-align: center; padding-block: clamp(40px, 7vw, 90px); }
.arf-404 .arf-searchform { margin: 1.5rem auto; }
.arf-404__actions { display: flex; gap: 1rem; justify-content: center; flex-wrap: wrap; margin-top: 1.5rem; }

/* Footer inline nav */
.arf-footer__nav { display: flex; gap: 1.25rem; list-style: none; margin: 0; padding: 0; flex-wrap: wrap; }
.arf-footer__nav a { font-size: .82rem; }