/*
Theme Name: Sushi Adventures
Theme URI: https://sushiadventures.com
Author: Sushi Adventures
Author URI: https://sushiadventures.com
Description: Custom theme for sushiadventures.com — refined, fresh, image-forward home for restaurant reviews, sushi technique, and the history of sushi. Built from the Sushi Adventures design system (v1.0).
Version: 1.0.0
Requires at least: 6.0
Tested up to: 6.8
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: sushi-adventures
Tags: blog, food, custom-colors, custom-logo, custom-menu, featured-images, threaded-comments, translation-ready
*/

/* ============================================================
   SUSHI ADVENTURES — sushiadventures.com
   Design System / Stylesheet  (v1.0 — 2026-06-20)
   Aesthetic:  Refined Japanese, fresh & light
   Type:       Zen Kaku Gothic New (headings) + Inter (body)
   Mode:       Light only (v1)
   ============================================================ */

/* ---------- 1. DESIGN TOKENS ---------- */
:root {
  --sa-ink:          #20302A;
  --sa-ink-soft:     #36473F;
  --sa-ivory:        #FAF8F3;
  --sa-paper:        #FFFFFF;
  --sa-rice:         #F3EAD8;

  --sa-wasabi:       #7AA661;
  --sa-wasabi-dark:  #5E8A48;
  --sa-wasabi-tint:  #ECF2E4;

  --sa-salmon:       #EC9A8D;
  --sa-salmon-deep:  #D9745F;
  --sa-salmon-tint:  #FBEBE6;

  --sa-nori:         #33524A;

  --sa-muted:        #6B7C73;
  --sa-faint:        #95A199;
  --sa-line:         #E4DFD2;
  --sa-line-soft:    #EFEBE2;

  --sa-font-head: "Zen Kaku Gothic New", system-ui, sans-serif;
  --sa-font-body: "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;

  --sa-text-xs:   0.75rem;
  --sa-text-sm:   0.875rem;
  --sa-text-base: 1.125rem;
  --sa-text-lg:   1.25rem;
  --sa-h4: clamp(1.25rem, 1.1rem + 0.7vw, 1.5rem);
  --sa-h3: clamp(1.5rem, 1.3rem + 1vw, 1.953rem);
  --sa-h2: clamp(1.875rem, 1.5rem + 1.8vw, 2.441rem);
  --sa-h1: clamp(2.25rem, 1.7rem + 2.7vw, 3.4rem);

  --sa-leading-body: 1.7;
  --sa-leading-head: 1.18;
  --sa-tracking-eyebrow: 0.18em;

  --sa-space-1: 0.25rem;
  --sa-space-2: 0.5rem;
  --sa-space-3: 0.75rem;
  --sa-space-4: 1rem;
  --sa-space-5: 1.5rem;
  --sa-space-6: 2rem;
  --sa-space-7: 3rem;
  --sa-space-8: 4rem;
  --sa-space-9: 6rem;

  --sa-radius-sm: 6px;
  --sa-radius-md: 10px;
  --sa-radius-lg: 16px;
  --sa-radius-pill: 999px;

  --sa-shadow-sm: 0 1px 2px rgba(32,48,42,0.05);
  --sa-shadow-md: 0 6px 20px rgba(32,48,42,0.08);
  --sa-shadow-lg: 0 14px 40px rgba(32,48,42,0.10);

  --sa-content: 720px;
  --sa-wide:    1140px;
  --sa-gutter:  clamp(1rem, 4vw, 2.5rem);

  --sa-transition: 180ms ease;
}

/* ---------- 2. RESET / BASE ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--sa-ivory);
  color: var(--sa-ink);
  font-family: var(--sa-font-body);
  font-size: var(--sa-text-base);
  line-height: var(--sa-leading-body);
  font-weight: 400;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
img, picture, svg, video { max-width: 100%; height: auto; display: block; }
a {
  color: var(--sa-wasabi-dark);
  text-decoration: none;
  text-underline-offset: 3px;
  transition: color var(--sa-transition);
}
a:hover { color: var(--sa-ink); text-decoration: underline; }
::selection { background: var(--sa-salmon-tint); color: var(--sa-ink); }
:focus-visible {
  outline: 2px solid var(--sa-wasabi-dark);
  outline-offset: 2px;
  border-radius: var(--sa-radius-sm);
}

/* ---------- 3. TYPOGRAPHY ---------- */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--sa-font-head);
  font-weight: 700;
  line-height: var(--sa-leading-head);
  color: var(--sa-ink);
  margin: 0 0 var(--sa-space-4);
  letter-spacing: -0.01em;
}
h1 { font-size: var(--sa-h1); }
h2 { font-size: var(--sa-h2); }
h3 { font-size: var(--sa-h3); font-weight: 500; }
h4 { font-size: var(--sa-h4); font-weight: 500; }
p { margin: 0 0 var(--sa-space-5); }

.sa-lead { font-size: var(--sa-text-lg); color: var(--sa-ink-soft); line-height: 1.6; }
.sa-eyebrow {
  font-family: var(--sa-font-body);
  font-size: var(--sa-text-xs);
  font-weight: 600;
  letter-spacing: var(--sa-tracking-eyebrow);
  text-transform: uppercase;
  color: var(--sa-wasabi-dark);
  margin: 0 0 var(--sa-space-2);
}
.sa-meta { font-size: var(--sa-text-sm); color: var(--sa-muted); }

blockquote {
  margin: var(--sa-space-6) 0;
  padding: var(--sa-space-2) var(--sa-space-5);
  border-left: 3px solid var(--sa-wasabi);
  font-size: var(--sa-text-lg);
  color: var(--sa-ink-soft);
  font-style: italic;
}
hr { border: 0; border-top: 1px solid var(--sa-line); margin: var(--sa-space-7) 0; }
code, pre { font-family: ui-monospace, "SF Mono", Menlo, monospace; font-size: 0.9em; }
code { background: var(--sa-rice); padding: 0.1em 0.4em; border-radius: var(--sa-radius-sm); }
pre { background: var(--sa-rice); padding: var(--sa-space-4); border-radius: var(--sa-radius-md); overflow:auto; }

/* Article body rhythm */
.sa-article { max-width: var(--sa-content); margin-inline: auto; }
.sa-article h2 { margin-top: var(--sa-space-7); }
.sa-article h3 { margin-top: var(--sa-space-6); }
.sa-article img { border-radius: var(--sa-radius-md); margin: var(--sa-space-5) 0; }
.sa-article figcaption { font-size: var(--sa-text-sm); color: var(--sa-muted); text-align: center; margin-top: var(--sa-space-2); }
.sa-article ul, .sa-article ol { padding-left: 1.4rem; margin: 0 0 var(--sa-space-5); }
.sa-article li { margin-bottom: var(--sa-space-2); }

/* ---------- 4. LAYOUT ---------- */
.sa-container { width: 100%; max-width: var(--sa-wide); margin-inline: auto; padding-inline: var(--sa-gutter); }
.sa-container--narrow { max-width: var(--sa-content); }
.sa-section { padding-block: clamp(2.5rem, 6vw, 5rem); }
.sa-grid { display: grid; gap: var(--sa-space-5); }
.sa-grid--cards { grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); }

/* ---------- 5. HEADER / NAV ---------- */
.sa-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(250,248,243,0.88);
  backdrop-filter: saturate(120%) blur(8px);
  border-bottom: 1px solid var(--sa-line);
}
.sa-header__inner { display: flex; align-items: center; justify-content: space-between; gap: var(--sa-space-5); min-height: 68px; }
.sa-nav { display: flex; gap: var(--sa-space-5); align-items: center; }
.sa-nav ul { list-style:none; display:flex; gap: var(--sa-space-5); align-items:center; margin:0; padding:0; }
.sa-nav a { font-size: var(--sa-text-sm); font-weight: 500; color: var(--sa-ink); letter-spacing: 0.01em; }
.sa-nav a:hover { color: var(--sa-wasabi-dark); text-decoration: none; }
.sa-nav .sa-btn { color:#fff; }

/* Mobile nav toggle */
.sa-nav__toggle { display:none; }
.sa-nav__burger {
  display:none; align-items:center; justify-content:center;
  width:42px; height:42px; border:1px solid var(--sa-line); border-radius: var(--sa-radius-sm);
  background: var(--sa-paper); cursor:pointer; color: var(--sa-ink);
}
.sa-nav__burger svg { width:22px; height:22px; }
@media (max-width: 820px) {
  .sa-nav__burger { display:inline-flex; }
  .sa-nav { position:absolute; top:68px; left:0; right:0;
    background: var(--sa-ivory); border-bottom:1px solid var(--sa-line);
    flex-direction:column; align-items:stretch; gap:0; padding: var(--sa-space-3) var(--sa-gutter);
    box-shadow: var(--sa-shadow-md); display:none; }
  .sa-nav ul { flex-direction:column; align-items:stretch; gap:0; width:100%; }
  .sa-nav li { border-bottom:1px solid var(--sa-line-soft); }
  .sa-nav a { display:block; padding: var(--sa-space-3) 0; }
  .sa-nav .sa-btn { margin: var(--sa-space-3) 0; justify-content:center; }
  .sa-nav__toggle:checked ~ .sa-nav { display:flex; }
}

/* ---------- 6. LOGO ---------- */
.sa-logo { display: inline-flex; align-items: center; gap: 0.6rem; }
.sa-logo:hover { text-decoration: none; }
.sa-logo__mark { width: 40px; height: 40px; flex: none; }
.sa-logo__text { display: flex; flex-direction: column; line-height: 1; }
.sa-logo__name { font-family: var(--sa-font-head); font-weight: 700; font-size: 1.4rem; color: var(--sa-ink); letter-spacing: -0.01em; }
.sa-logo__sub { font-family: var(--sa-font-body); font-weight: 600; font-size: 0.6rem; letter-spacing: 0.34em; text-transform: uppercase; color: var(--sa-wasabi-dark); margin-top: 3px; }

/* ---------- 7. BUTTONS ---------- */
.sa-btn {
  display: inline-flex; align-items: center; gap: var(--sa-space-2);
  font-family: var(--sa-font-body); font-size: var(--sa-text-sm); font-weight: 600;
  padding: 0.7rem 1.4rem; border-radius: var(--sa-radius-pill);
  border: 1.5px solid transparent; cursor: pointer;
  transition: transform var(--sa-transition), background var(--sa-transition), color var(--sa-transition);
}
.sa-btn:hover { text-decoration: none; transform: translateY(-1px); }
.sa-btn:active { transform: translateY(0); }
.sa-btn--primary { background: var(--sa-wasabi); color: #fff; }
.sa-btn--primary:hover { background: var(--sa-wasabi-dark); color: #fff; }
.sa-btn--ghost { background: transparent; color: var(--sa-ink); border-color: var(--sa-line); }
.sa-btn--ghost:hover { border-color: var(--sa-wasabi); color: var(--sa-wasabi-dark); }
.sa-btn--salmon { background: var(--sa-salmon); color: var(--sa-ink); }
.sa-btn--salmon:hover { background: var(--sa-salmon-deep); color: #fff; }

/* ---------- 8. CARDS ---------- */
.sa-card { background: var(--sa-paper); border: 1px solid var(--sa-line); border-radius: var(--sa-radius-lg); overflow: hidden; box-shadow: var(--sa-shadow-sm); transition: box-shadow var(--sa-transition), transform var(--sa-transition); display: flex; flex-direction: column; }
.sa-card:hover { box-shadow: var(--sa-shadow-md); transform: translateY(-3px); }
.sa-card__media { aspect-ratio: 3 / 2; overflow: hidden; background: var(--sa-rice); }
.sa-card__media img { width: 100%; height: 100%; object-fit: cover; transition: transform 400ms ease; }
.sa-card:hover .sa-card__media img { transform: scale(1.04); }
.sa-card__body { padding: var(--sa-space-5); display: flex; flex-direction: column; gap: var(--sa-space-2); flex:1; }
.sa-card__title { font-size: var(--sa-h4); margin: 0; }
.sa-card__title a { color: var(--sa-ink); }
.sa-card__title a:hover { color: var(--sa-wasabi-dark); text-decoration:none; }
.sa-card__excerpt { color: var(--sa-muted); font-size: var(--sa-text-sm); margin: 0; }
.sa-card__row { display:flex; justify-content:space-between; align-items:center; margin-top:auto; padding-top: var(--sa-space-2); }

/* ---------- 9. TAGS ---------- */
.sa-tag { display: inline-block; font-size: var(--sa-text-xs); font-weight: 600; letter-spacing: 0.04em; text-transform: uppercase; padding: 0.25rem 0.7rem; border-radius: var(--sa-radius-pill); background: var(--sa-wasabi-tint); color: var(--sa-wasabi-dark); align-self:flex-start; }
.sa-tag:hover { text-decoration:none; color: var(--sa-ink); }
.sa-tag--salmon { background: var(--sa-salmon-tint); color: var(--sa-salmon-deep); }
.sa-tag--nori   { background: var(--sa-rice); color: var(--sa-nori); }

/* ---------- 10. RATING ---------- */
.sa-rating { display: inline-flex; gap: 3px; color: var(--sa-salmon); }
.sa-rating__dot { width: 12px; height: 12px; border-radius: 50%; background: currentColor; }
.sa-rating__dot--empty { background: var(--sa-line); }

/* ---------- 11. HERO ---------- */
.sa-hero { padding-block: clamp(3rem, 8vw, 6rem); text-align: center; }
.sa-hero__title { max-width: 16ch; margin-inline: auto; }
.sa-hero__sub { max-width: 56ch; margin-inline: auto; color: var(--sa-ink-soft); font-size: var(--sa-text-lg); }
.sa-hero__cta { margin-top: var(--sa-space-6); display: flex; gap: var(--sa-space-3); justify-content: center; flex-wrap: wrap; }

/* ---------- 12. FOOTER ---------- */
.sa-footer { background: var(--sa-nori); color: #DCE6E0; padding-block: var(--sa-space-8); margin-top: var(--sa-space-9); }
.sa-footer a { color: #DCE6E0; }
.sa-footer a:hover { color: #fff; }
.sa-footer__grid { display: grid; gap: var(--sa-space-6); grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); }
.sa-footer__grid ul { list-style:none; margin:0; padding:0; }
.sa-footer__grid li { margin-bottom: var(--sa-space-2); }
.sa-footer__grid strong { display:block; margin-bottom: var(--sa-space-2); color:#fff; }
.sa-footer__legal { font-size: var(--sa-text-xs); color: #9DB3A9; border-top: 1px solid rgba(255,255,255,0.12); margin-top: var(--sa-space-6); padding-top: var(--sa-space-4); }

/* ---------- 13. AFFILIATE / DISCLOSURE ---------- */
.sa-disclosure { background: var(--sa-rice); border: 1px solid var(--sa-line); border-radius: var(--sa-radius-md); padding: var(--sa-space-3) var(--sa-space-4); font-size: var(--sa-text-sm); color: var(--sa-ink-soft); margin: var(--sa-space-5) 0; }
.sa-disclosure strong { color: var(--sa-ink); }

/* ---------- 14. UTILITIES ---------- */
.sa-center { text-align: center; }
.sa-mt-0 { margin-top: 0; } .sa-mb-0 { margin-bottom: 0; }
.sa-stack > * + * { margin-top: var(--sa-space-4); }
.sr-only, .screen-reader-text { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }
.skip-link { position:absolute; left:-9999px; top:0; background:var(--sa-ink); color:#fff; padding:.6rem 1rem; border-radius:0 0 var(--sa-radius-sm) 0; z-index:100; }
.skip-link:focus { left:0; }

/* ---------- 15. HOMEPAGE ---------- */
.hp-hero { position: relative; min-height: 78vh; display: grid; align-items: center; color: #fff; overflow: hidden; }
.hp-hero__img { position:absolute; inset:0; width:100%; height:100%; object-fit:cover; }
.hp-hero__veil { position:absolute; inset:0; background: linear-gradient(90deg, rgba(20,28,24,0.72) 0%, rgba(20,28,24,0.38) 55%, rgba(20,28,24,0.12) 100%); }
.hp-hero__inner { position:relative; max-width: 640px; padding-block: 4rem; }
.hp-hero h1 { color:#fff; font-size: clamp(2.4rem, 1.6rem + 3.4vw, 3.8rem); margin-bottom: 1rem; }
.hp-hero p { color:#EAF1EC; font-size: var(--sa-text-lg); max-width: 46ch; }
.hp-hero .sa-eyebrow { color:#B9D6A6; }

.hp-sec-head { display:flex; align-items:flex-end; justify-content:space-between; gap:1rem; margin-bottom: 2rem; flex-wrap:wrap; }
.hp-sec-head h2 { margin:0; }
.hp-sec-head a { font-weight:600; font-size: var(--sa-text-sm); white-space:nowrap; }

.hp-split { display:grid; grid-template-columns: 1.1fr 1fr; gap: clamp(1.5rem,4vw,3.5rem); align-items:center; }
.hp-split__media img { width:100%; aspect-ratio: 4/3; object-fit:cover; border-radius: var(--sa-radius-lg); }
@media (max-width: 800px){ .hp-split{ grid-template-columns:1fr; } }

.hp-cats { display:grid; gap: var(--sa-space-5); grid-template-columns: repeat(3,1fr); }
@media (max-width: 800px){ .hp-cats{ grid-template-columns:1fr; } }
.hp-cat { position:relative; border-radius: var(--sa-radius-lg); overflow:hidden; min-height: 240px; display:flex; align-items:flex-end; color:#fff; }
.hp-cat img { position:absolute; inset:0; width:100%; height:100%; object-fit:cover; transition: transform .5s ease; }
.hp-cat:hover img { transform: scale(1.05); }
.hp-cat__veil { position:absolute; inset:0; background: linear-gradient(180deg, rgba(20,28,24,0) 35%, rgba(20,28,24,0.78) 100%); }
.hp-cat__txt { position:relative; padding: var(--sa-space-5); }
.hp-cat__txt h3 { color:#fff; margin:0 0 .25rem; }
.hp-cat__txt p { color:#E3EAE5; font-size: var(--sa-text-sm); margin:0; }
.hp-cat:hover { text-decoration:none; }

.hp-dest { display:flex; gap:.6rem; flex-wrap:wrap; }
.hp-dest a { background: var(--sa-paper); border:1px solid var(--sa-line); border-radius: var(--sa-radius-pill); padding:.5rem 1.1rem; font-size: var(--sa-text-sm); font-weight:500; color: var(--sa-ink); }
.hp-dest a:hover { border-color: var(--sa-wasabi); color: var(--sa-wasabi-dark); text-decoration:none; }

.hp-news { background: var(--sa-rice); border-radius: var(--sa-radius-lg); padding: clamp(2rem,5vw,3.5rem); text-align:center; }
.hp-news form { display:flex; gap:.6rem; max-width: 460px; margin: 1.25rem auto 0; flex-wrap:wrap; justify-content:center; }
.hp-news input { flex:1 1 240px; padding:.8rem 1.1rem; border:1px solid var(--sa-line); border-radius: var(--sa-radius-pill); font:inherit; background:#fff; }
.hp-news input:focus-visible{ outline:2px solid var(--sa-wasabi-dark); outline-offset:1px; }

/* ---------- 16. SINGLE / ARCHIVE ---------- */
.sa-post-header { max-width: var(--sa-content); margin-inline:auto; text-align:center; padding-top: var(--sa-space-7); }
.sa-post-header .sa-meta { display:block; margin-top: var(--sa-space-3); }
.sa-post-hero { margin: var(--sa-space-6) 0; }
.sa-post-hero img { width:100%; max-height:520px; object-fit:cover; border-radius: var(--sa-radius-lg); }
.sa-archive-head { text-align:center; padding-block: var(--sa-space-7) var(--sa-space-4); }
.sa-pagination { display:flex; gap:.5rem; justify-content:center; flex-wrap:wrap; margin-top: var(--sa-space-7); }
.sa-pagination .page-numbers { display:inline-flex; min-width:42px; height:42px; align-items:center; justify-content:center; padding:0 .6rem; border:1px solid var(--sa-line); border-radius: var(--sa-radius-sm); color: var(--sa-ink); background: var(--sa-paper); }
.sa-pagination .page-numbers.current { background: var(--sa-wasabi); color:#fff; border-color: var(--sa-wasabi); }
.sa-pagination a.page-numbers:hover { border-color: var(--sa-wasabi); color: var(--sa-wasabi-dark); text-decoration:none; }

.sa-post-footer { max-width: var(--sa-content); margin: var(--sa-space-7) auto 0; padding-top: var(--sa-space-5); border-top:1px solid var(--sa-line); }
.sa-tags-list a { margin-right:.4rem; }

/* Comments */
.sa-comments { max-width: var(--sa-content); margin: var(--sa-space-8) auto 0; }
.sa-comments .comment-list { list-style:none; padding:0; }
.sa-comments .comment-list ul.children { list-style:none; padding-left: var(--sa-space-5); }
.sa-comments .comment-body { padding: var(--sa-space-4) 0; border-bottom:1px solid var(--sa-line-soft); }
.sa-comments .comment-meta { font-size: var(--sa-text-sm); color: var(--sa-muted); margin-bottom: var(--sa-space-2); }
.sa-comments input[type=text], .sa-comments input[type=email], .sa-comments input[type=url], .sa-comments textarea {
  width:100%; padding:.7rem 1rem; border:1px solid var(--sa-line); border-radius: var(--sa-radius-sm); font:inherit; background:#fff; margin-bottom: var(--sa-space-4); }

/* WP alignment + media */
.alignwide { max-width: var(--sa-wide); margin-inline:auto; }
.alignfull { max-width:100%; }
.alignleft { float:left; margin: 0 var(--sa-space-5) var(--sa-space-4) 0; }
.alignright { float:right; margin: 0 0 var(--sa-space-4) var(--sa-space-5); }
.aligncenter { display:block; margin-inline:auto; }
.wp-caption-text, .wp-element-caption { font-size: var(--sa-text-sm); color: var(--sa-muted); text-align:center; }
.sticky, .gallery-caption, .bypostauthor { }

/* ---------- 17. MOTION PREFERENCE ---------- */
@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; transition: none !important; scroll-behavior: auto !important; }
}