/* ==========================================================================
   HITEK AI Docs - shared stylesheet for single-docs.php and archive-docs.php
   Scoped to #hitek-docs, every class prefixed hdoc-.
   Palette from the Service Page Blueprint. Sizes in px or clamp(px), no rem.
   Breakpoints: 1024 / 760 / 520. No JavaScript.
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&display=swap');

#hitek-docs{
  --wash:#EAF0FE;
  --lav:#E9ECFE;
  --lav-dk:#DDE2FA;
  --soft:#F9FAFE;
  --paper:#FFFFFF;
  --blue:#0D67AD;
  --blue-dk:#09548D;
  --deep:#030736;
  --ink:#1E2A3A;
  --body:#5A6478;
  --line:#E3E7F5;
  --max:1180px;
  --gut:clamp(20px, 5vw, 40px);
  --r:10px;
  --stick:110px;              /* distance from the top of the window for the sticky sidebar list */

  font-family:'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, Arial, sans-serif;
  font-size:17px;
  line-height:1.7;
  color:var(--body);
  background:linear-gradient(180deg, var(--wash) 0px, #F3F6FE 220px, var(--paper) 520px);
  padding:clamp(32px, 4.4vw, 56px) 0 clamp(64px, 7.4vw, 104px);
}

#hitek-docs *,
#hitek-docs *::before,
#hitek-docs *::after{box-sizing:border-box}

#hitek-docs .hdoc-wrap{max-width:var(--max);margin:0 auto;padding:0 var(--gut)}

#hitek-docs a:focus-visible{outline:2px solid var(--blue);outline-offset:2px;border-radius:2px}

/* ---------- Breadcrumb ---------- */
#hitek-docs .hdoc-crumbs{margin:0 0 14px;font-size:14px;line-height:1.5}
#hitek-docs .hdoc-crumbs ol{list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap;row-gap:6px}
#hitek-docs .hdoc-crumbs li{display:flex;align-items:center;min-width:0;margin:0}
#hitek-docs .hdoc-crumbs li + li::before{content:"/";margin:0 10px;color:var(--body)}
#hitek-docs .hdoc-crumbs a{color:var(--blue);text-decoration:none}
#hitek-docs .hdoc-crumbs a:hover{text-decoration:underline}
#hitek-docs .hdoc-crumbs span{color:var(--ink);font-weight:500;overflow-wrap:anywhere}

/* ---------- Page head ---------- */
#hitek-docs .hdoc-head{margin:0 0 28px}
#hitek-docs .hdoc-title{margin:0 0 14px;color:var(--ink);font-family:inherit;font-weight:700;font-size:clamp(32px, 3.2vw, 44px);line-height:1.2;letter-spacing:-.02em;overflow-wrap:break-word}
#hitek-docs .hdoc-lead{margin:0 0 8px;max-width:760px;color:var(--body);font-size:19px;line-height:1.62}
#hitek-docs .hdoc-meta{margin:0;color:var(--body);font-size:14px;line-height:1.5}

/* ---------- Two-column layout (sections and articles) ---------- */
#hitek-docs .hdoc-layout{display:grid;grid-template-columns:250px minmax(0, 1fr);grid-template-areas:"side main";column-gap:clamp(32px, 4.4vw, 64px);align-items:start}
#hitek-docs .hdoc-main{grid-area:main;min-width:0;max-width:780px}
#hitek-docs .hdoc-side{grid-area:side;min-width:0;align-self:stretch}

/* ---------- Direct answer, applies to, on this page ---------- */
#hitek-docs .hdoc-answer{margin:0 0 24px;padding:22px 26px;background:var(--lav);border-left:4px solid var(--blue);border-radius:0 var(--r) var(--r) 0}
#hitek-docs .hdoc-answer__k{margin:0 0 6px;color:var(--blue);font-size:13.5px;font-weight:600;line-height:1.4}
#hitek-docs .hdoc-answer__v{margin:0;color:var(--ink);font-size:17.5px;line-height:1.65}

#hitek-docs .hdoc-applies{margin:0 0 24px;font-size:15.5px;line-height:1.6}
#hitek-docs .hdoc-applies strong{color:var(--ink);font-weight:600}

#hitek-docs .hdoc-toc{margin:0 0 36px;padding:18px 22px;background:var(--paper);border:1px solid var(--line);border-radius:var(--r)}
#hitek-docs .hdoc-toc__k{margin:0 0 8px;color:var(--ink);font-size:14px;font-weight:600;line-height:1.4}
#hitek-docs .hdoc-toc ol{margin:0;padding-left:20px;font-size:15.5px;line-height:1.6}
#hitek-docs .hdoc-toc li{margin:4px 0}
#hitek-docs .hdoc-toc a{color:var(--blue);text-decoration:none}
#hitek-docs .hdoc-toc a:hover{text-decoration:underline}

/* Inline list: tablet and mobile only. Sidebar list: desktop only, sticky. */
#hitek-docs .hdoc-toc--inline{display:none}
#hitek-docs .hdoc-toc--side{position:sticky;top:var(--stick);margin:32px 0 0;padding:16px 18px;max-height:calc(100vh - var(--stick) - 24px);overflow-y:auto}
#hitek-docs .hdoc-toc--side ol{padding-left:18px;font-size:14.5px;line-height:1.5}
#hitek-docs .hdoc-toc--side li{margin:6px 0}

/* ---------- Article body (block editor output) ---------- */
#hitek-docs .hdoc-content{color:var(--body);overflow-wrap:break-word}
#hitek-docs .hdoc-content > *:first-child{margin-top:0}
#hitek-docs .hdoc-content p{margin:0 0 18px}
#hitek-docs .hdoc-content h2{margin:44px 0 14px;color:var(--ink);font-family:inherit;font-weight:600;font-size:clamp(24px, 2.2vw, 30px);line-height:1.3;letter-spacing:-.01em;scroll-margin-top:120px}
#hitek-docs .hdoc-content h3{margin:30px 0 10px;color:var(--ink);font-family:inherit;font-weight:600;font-size:20px;line-height:1.4;scroll-margin-top:120px}
#hitek-docs .hdoc-content h4{margin:24px 0 8px;color:var(--ink);font-family:inherit;font-weight:600;font-size:17px;line-height:1.45}
#hitek-docs .hdoc-content ul,
#hitek-docs .hdoc-content ol{margin:0 0 18px;padding-left:24px}
#hitek-docs .hdoc-content li{margin:6px 0}
#hitek-docs .hdoc-content a{color:var(--blue);text-decoration:underline;text-underline-offset:2px}
#hitek-docs .hdoc-content a:hover{color:var(--blue-dk)}
#hitek-docs .hdoc-content strong{color:var(--ink);font-weight:600}
#hitek-docs .hdoc-content img{max-width:100%;height:auto;border-radius:var(--r)}
#hitek-docs .hdoc-content figure{margin:24px 0;max-width:100%}
#hitek-docs .hdoc-content figcaption{margin-top:8px;color:var(--body);font-size:14px;line-height:1.5}
#hitek-docs .hdoc-content blockquote{margin:24px 0;padding:14px 20px;background:var(--soft);border-left:4px solid var(--lav-dk);color:var(--ink)}
#hitek-docs .hdoc-content code{padding:2px 6px;border-radius:4px;background:var(--lav);color:var(--deep);font-family:ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;font-size:.9em}
#hitek-docs .hdoc-content pre{margin:0 0 20px;padding:16px 18px;border-radius:var(--r);background:var(--deep);color:var(--paper);font-size:14.5px;line-height:1.6;overflow-x:auto}
#hitek-docs .hdoc-content pre code{padding:0;background:none;color:inherit}
#hitek-docs .hdoc-content .wp-block-table{margin:0 0 24px;overflow-x:auto}
#hitek-docs .hdoc-content table{width:100%;margin:0 0 24px;border-collapse:collapse;font-size:15px;line-height:1.55}
#hitek-docs .hdoc-content .wp-block-table table{margin:0}
#hitek-docs .hdoc-content th{padding:12px 14px;background:var(--blue);border:1px solid var(--blue);color:var(--paper);font-weight:600;text-align:left}
#hitek-docs .hdoc-content td{padding:12px 14px;border:1px solid var(--line);vertical-align:top}
#hitek-docs .hdoc-content tbody tr:hover{background:var(--soft)}

/* ---------- Child page list ---------- */
#hitek-docs .hdoc-children{margin:48px 0 0}
#hitek-docs .hdoc-children__title{margin:0 0 16px;color:var(--ink);font-family:inherit;font-weight:600;font-size:22px;line-height:1.35}
#hitek-docs .hdoc-list{list-style:none;margin:0;padding:0;display:grid;gap:12px}
#hitek-docs .hdoc-list__item{margin:0}
#hitek-docs .hdoc-list__item a{display:block;padding:18px 22px;background:var(--paper);border:1px solid var(--line);border-radius:var(--r);text-decoration:none;transition:border-color .2s ease, transform .2s ease}
#hitek-docs .hdoc-list__item a:hover{border-color:var(--lav-dk);transform:translateY(-2px)}
#hitek-docs .hdoc-list__t{display:block;color:var(--blue);font-size:17px;font-weight:600;line-height:1.4}
#hitek-docs .hdoc-list__d{display:block;margin-top:4px;color:var(--body);font-size:15.5px;line-height:1.6}

/* ---------- Previous / next ---------- */
#hitek-docs .hdoc-pager{display:grid;grid-template-columns:repeat(2, minmax(0, 1fr));gap:12px;margin:48px 0 0}
#hitek-docs .hdoc-pager__link{display:block;min-width:0;padding:16px 20px;background:var(--paper);border:1px solid var(--line);border-radius:var(--r);text-decoration:none;transition:border-color .2s ease}
#hitek-docs .hdoc-pager__link:hover{border-color:var(--lav-dk)}
#hitek-docs .hdoc-pager__link--next{grid-column:2;text-align:right}
#hitek-docs .hdoc-pager__k{display:block;color:var(--body);font-size:13.5px;line-height:1.4}
#hitek-docs .hdoc-pager__v{display:block;color:var(--blue);font-size:16px;font-weight:600;line-height:1.4}

/* ---------- Product panel ---------- */
#hitek-docs .hdoc-panel{margin:56px 0 0;padding:30px 32px;background:var(--deep);border-radius:12px;color:var(--paper)}
#hitek-docs .hdoc-panel__t{margin:0 0 8px;color:var(--paper);font-size:22px;font-weight:600;line-height:1.35}
#hitek-docs .hdoc-panel__d{margin:0 0 18px;color:#D5DAF0;font-size:16px;line-height:1.6}
#hitek-docs .hdoc-panel a:focus-visible{outline-color:var(--paper)}

#hitek-docs .hdoc-btn{display:inline-block;padding:12px 22px;background:var(--blue);border-radius:6px;color:var(--paper);font-size:16px;font-weight:600;line-height:1.4;text-decoration:none;transition:background-color .2s ease}
#hitek-docs .hdoc-btn:hover{background:var(--blue-dk);color:var(--paper)}
#hitek-docs .hdoc-btn--light{background:var(--paper);color:var(--deep)}
#hitek-docs .hdoc-btn--light:hover{background:var(--lav);color:var(--deep)}

/* ---------- Sidebar navigation ---------- */
#hitek-docs .hdoc-nav{font-size:15px;line-height:1.45}
#hitek-docs .hdoc-nav__title{margin:0 0 14px;padding-top:2px;font-size:12.5px;font-weight:600;line-height:1.4;letter-spacing:.08em;text-transform:uppercase}
#hitek-docs .hdoc-nav__title a{color:var(--blue);text-decoration:none}
#hitek-docs .hdoc-nav__list,
#hitek-docs .hdoc-nav__sub{list-style:none;margin:0;padding:0}
#hitek-docs .hdoc-nav__sec{margin:0 0 14px}
#hitek-docs .hdoc-nav__link{display:block;padding:4px 0;color:var(--ink);font-size:15px;font-weight:600;line-height:1.45;text-decoration:none}
#hitek-docs .hdoc-nav__link:hover{color:var(--blue)}
#hitek-docs .hdoc-nav__sec.is-active > .hdoc-nav__link{color:var(--blue)}
#hitek-docs .hdoc-nav__sub{margin:4px 0 0 1px;border-left:1px solid var(--line)}
#hitek-docs .hdoc-nav__sub li{margin:0}
#hitek-docs .hdoc-nav__sub .hdoc-nav__link{margin-left:-1px;padding:5px 0 5px 14px;border-left:2px solid transparent;color:var(--body);font-size:14.5px;font-weight:400}
#hitek-docs .hdoc-nav__sub .hdoc-nav__link:hover{color:var(--blue)}
#hitek-docs .hdoc-nav__link[aria-current="page"]{color:var(--blue);font-weight:600}
#hitek-docs .hdoc-nav__sub .hdoc-nav__link[aria-current="page"]{border-left-color:var(--blue);color:var(--blue);font-weight:600}

/* ---------- Cards (product index and hub) ---------- */
#hitek-docs .hdoc-grid{display:grid;grid-template-columns:repeat(3, minmax(0, 1fr));gap:20px;margin:32px 0 0}
#hitek-docs .hdoc-card{min-width:0;padding:26px;background:var(--paper);border:1px solid var(--line);border-radius:var(--r);transition:border-color .2s ease, transform .2s ease}
#hitek-docs .hdoc-card:hover{border-color:var(--lav-dk);transform:translateY(-3px)}
#hitek-docs .hdoc-card__title{margin:0 0 8px;font-family:inherit;font-size:21px;font-weight:600;line-height:1.35}
#hitek-docs .hdoc-card__title a{color:var(--ink);text-decoration:none}
#hitek-docs .hdoc-card__title a:hover{color:var(--blue)}
#hitek-docs .hdoc-card__text{margin:0 0 14px;font-size:15.5px;line-height:1.6}
#hitek-docs .hdoc-card__list{list-style:none;margin:0;padding:12px 0 0;border-top:1px solid var(--line)}
#hitek-docs .hdoc-card__list li{margin:6px 0}
#hitek-docs .hdoc-card__list a{color:var(--blue);font-size:15px;line-height:1.5;text-decoration:none}
#hitek-docs .hdoc-card__list a:hover{text-decoration:underline}

/* ---------- Hub ---------- */
#hitek-docs .hdoc-product{margin:48px 0 0;padding:36px 0 0;border-top:1px solid var(--line)}
#hitek-docs .hdoc-product__head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:16px 32px}
#hitek-docs .hdoc-product__txt{min-width:0;max-width:760px}
#hitek-docs .hdoc-product__title{margin:0 0 8px;color:var(--ink);font-family:inherit;font-size:clamp(26px, 2.4vw, 34px);font-weight:600;line-height:1.25}
#hitek-docs .hdoc-product__title a{color:inherit;text-decoration:none}
#hitek-docs .hdoc-product__title a:hover{color:var(--blue)}
#hitek-docs .hdoc-product__d{margin:0;font-size:17px;line-height:1.65}

#hitek-docs .hdoc-intro{margin:0 0 8px;max-width:780px}
#hitek-docs .hdoc-empty{margin:24px 0 0;padding:20px 24px;background:var(--soft);border:1px solid var(--line);border-radius:var(--r)}

/* ---------- 1024 ---------- */
@media (max-width:1024px){
  #hitek-docs .hdoc-layout{grid-template-columns:minmax(0, 1fr);grid-template-areas:"main" "side"}
  #hitek-docs .hdoc-main{max-width:none}
  #hitek-docs .hdoc-side{margin-top:48px;padding-top:32px;border-top:1px solid var(--line);align-self:auto}
  #hitek-docs .hdoc-toc--inline{display:block}
  #hitek-docs .hdoc-toc--side{display:none}
  #hitek-docs .hdoc-grid{grid-template-columns:repeat(2, minmax(0, 1fr))}
}

/* ---------- 760 ---------- */
@media (max-width:760px){
  #hitek-docs .hdoc-lead{font-size:17.5px}
  #hitek-docs .hdoc-grid{grid-template-columns:minmax(0, 1fr)}
  #hitek-docs .hdoc-pager{grid-template-columns:minmax(0, 1fr)}
  #hitek-docs .hdoc-pager__link--next{grid-column:auto;text-align:left}
  #hitek-docs .hdoc-content table{display:block;overflow-x:auto}
  #hitek-docs .hdoc-panel{padding:24px}
}

/* ---------- 520 ---------- */
@media (max-width:520px){
  #hitek-docs .hdoc-title{font-size:27px;line-height:1.25}
  #hitek-docs .hdoc-answer{padding:18px}
  #hitek-docs .hdoc-card{padding:22px}
  #hitek-docs .hdoc-btn{display:block;text-align:center}
}

@media (prefers-reduced-motion:reduce){
  #hitek-docs *{transition:none !important}
  #hitek-docs .hdoc-card:hover,
  #hitek-docs .hdoc-list__item a:hover{transform:none}
}