/* ============================================================
   ARTHIVA — support/support.css
   Help-center styles. Layered over style.css; mirrors the
   legal-page conventions (hero band, sticky contents column,
   15px/1.85 body copy) so /support reads as part of the site.
   ============================================================ */

/* ── HERO BAND ───────────────────────────────────────────── */
.sup-hero{padding:150px 40px 56px;text-align:center;border-bottom:1px solid var(--border)}
.sup-hero.art{padding-bottom:48px}
.sup-hero .section-title{margin-bottom:0;max-width:20em;margin-left:auto;margin-right:auto}
.sup-sub{font-size:15px;opacity:.6;margin-top:12px}
.sup-meta{font-size:14px;margin-top:14px}
.sup-meta a{color:var(--forest);opacity:.55;text-decoration:none;transition:opacity .2s}
.sup-meta a:hover{opacity:1}

/* ── SEARCH ──────────────────────────────────────────────── */
.sup-hero .sup-search{max-width:520px;margin:28px auto 0}
.sup-search{position:relative;text-align:left}
.sup-search>svg{position:absolute;left:16px;top:24px;transform:translateY(-50%);color:var(--text-muted);pointer-events:none}
.sup-search input{width:100%;height:48px;padding:0 18px 0 44px;font-size:.92rem;font-family:'Source Serif 4',serif;color:var(--text-dark);background:var(--white);border:1px solid var(--border);border-radius:100px;box-shadow:var(--shadow-sm)}
.sup-search input::placeholder{color:var(--text-muted)}
.sup-search input:focus{outline:2px solid var(--forest-mid);outline-offset:1px}
.sup-search input::-webkit-search-decoration,.sup-search input::-webkit-search-cancel-button{-webkit-appearance:none}
.sup-results{position:absolute;top:56px;left:0;right:0;z-index:60;display:none;background:var(--white);border:1px solid var(--border);border-radius:16px;box-shadow:var(--shadow-lg);overflow:hidden;max-height:400px;overflow-y:auto}
.sup-results.show{display:block}
.sr-item{display:flex;flex-direction:column;gap:2px;padding:12px 16px;text-decoration:none;border-bottom:1px solid var(--border)}
.sr-item:last-child{border-bottom:none}
.sr-item:hover{background:rgba(45,90,61,.06)}
.sr-cat{font-size:10px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--forest-mid)}
.sr-item strong{font-size:.9rem;font-weight:600;color:var(--text-dark)}
.sr-desc{font-size:12.5px;color:var(--text-muted);line-height:1.45}
.sr-empty{padding:16px;font-size:.86rem;color:var(--text-muted);line-height:1.5}
.sr-empty a{color:var(--forest);text-decoration:underline;text-underline-offset:3px}

/* ── HUB ─────────────────────────────────────────────────── */
.sup-wrap{max-width:1100px;margin:0 auto;padding:64px 40px 8px}
.sup-wrap.rel{padding-top:0}
.topic-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-bottom:64px}
.topic-card{background:var(--white);border:1px solid var(--border);border-radius:16px;padding:26px 28px;box-shadow:var(--shadow-sm)}
.tc-icon{width:38px;height:38px;border-radius:11px;background:rgba(45,90,61,.08);color:var(--forest);display:flex;align-items:center;justify-content:center;margin-bottom:14px}
.topic-card h2{font-size:1.05rem;font-weight:700;color:var(--text-dark);letter-spacing:-.01em}
.tc-desc{font-size:13.5px;color:var(--text-muted);margin-top:3px}
.tc-links{margin-top:14px;display:flex;flex-direction:column;gap:8px}
.tc-links a{font-size:14.5px;font-weight:500;color:var(--forest);text-decoration:none;line-height:1.45;transition:opacity .2s}
.tc-links a:hover{text-decoration:underline;text-underline-offset:3px}
.sup-h2{font-size:1.2rem;font-weight:700;color:var(--text-dark);letter-spacing:-.01em;margin-bottom:16px}
.pop-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-bottom:56px}
.pop-item{display:flex;justify-content:space-between;align-items:center;gap:14px;background:var(--white);border:1px solid var(--border);border-radius:14px;padding:15px 20px;text-decoration:none;box-shadow:var(--shadow-sm);transition:transform .2s,box-shadow .2s,border-color .2s}
.pop-item:hover{transform:translateY(-1px);box-shadow:var(--shadow-md);border-color:rgba(26,56,40,.25)}
.pi-cat{display:block;font-size:10px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--forest-mid);margin-bottom:2px}
.pop-item strong{font-size:.92rem;font-weight:600;color:var(--text-dark);line-height:1.35}
.pi-arrow{color:var(--forest);font-weight:700;flex-shrink:0}

/* ── ARTICLE ─────────────────────────────────────────────── */
.sup-layout{max-width:1100px;margin:0 auto;padding:64px 40px 72px;display:grid;grid-template-columns:230px 1fr;gap:72px;align-items:start}
.sup-toc{position:sticky;top:100px}
.sup-toc-label{font-size:11px;font-weight:600;letter-spacing:.12em;text-transform:uppercase;opacity:.35;margin-bottom:16px;padding-bottom:12px;border-bottom:1px solid var(--border)}
.sup-toc ol{list-style:none;padding:0;margin:0 0 26px}
.sup-toc ol li{margin-bottom:10px}
.sup-toc ol a{font-size:13px;color:var(--forest);opacity:.7;text-decoration:none;line-height:1.4;transition:opacity .2s;display:block;padding-left:10px;border-left:2px solid transparent}
.sup-toc ol a:hover{opacity:1}
.sup-toc ol a.on{opacity:1;font-weight:600;border-left-color:var(--forest)}
.sup-toc .sup-search input{height:42px;font-size:.86rem}
.sup-toc .sup-search>svg{top:21px}
.sup-toc .sup-results{top:50px}
.sup-content section{margin-bottom:48px;scroll-margin-top:110px}
.sup-content h2{font-family:'Source Serif 4',serif;font-size:22px;font-weight:600;margin-bottom:16px;padding-bottom:13px;border-bottom:1px solid var(--border)}
.sup-content p{font-size:15px;line-height:1.85;opacity:.72;margin-bottom:14px}
.sup-content ul{margin:8px 0 16px 0;padding-left:18px}
.sup-content ul li{font-size:15px;line-height:1.8;opacity:.72;margin-bottom:6px}
.sup-content a{color:inherit;text-decoration:underline;text-underline-offset:3px}

/* ── CONTACT CARD ────────────────────────────────────────── */
.sup-contact{max-width:1100px;margin:0 auto;padding:0 40px 100px}
.sup-contact-card{background:linear-gradient(160deg,#1c4130,#11291e);border-radius:24px;padding:52px 40px;text-align:center;color:#fff;position:relative;overflow:hidden}
.sup-contact-card::before{content:'';position:absolute;inset:0;pointer-events:none;background:radial-gradient(55% 90% at 50% -20%,rgba(163,230,53,.18),transparent 60%)}
.sup-contact-card>*{position:relative;z-index:1}
.sup-contact-card h2{font-size:clamp(1.5rem,2.8vw,2rem);font-weight:700;letter-spacing:-.02em;margin-bottom:10px}
.sup-contact-card p{color:#bcd3c4;font-size:15px;line-height:1.7;margin-bottom:24px}
.sup-contact-card p a{color:#fff;text-decoration:underline;text-underline-offset:3px}
.sup-contact-card .btn-primary{background:var(--lime);color:#0f2c20}
.sup-contact-card .btn-primary:hover{background:#a3e635;box-shadow:0 10px 24px rgba(190,242,100,.25)}

/* ── RESPONSIVE ──────────────────────────────────────────── */
@media(max-width:900px){
  .sup-layout{grid-template-columns:1fr;gap:40px;padding:48px 24px 56px}
  .sup-toc{position:static}
  .sup-toc .sup-search{display:none}
}
@media(max-width:768px){
  .sup-hero{padding:120px 24px 44px}
  .sup-wrap{padding:44px 24px 8px}
  .topic-grid{grid-template-columns:1fr;margin-bottom:48px}
  .pop-grid{grid-template-columns:1fr;margin-bottom:44px}
  .sup-contact{padding:0 24px 72px}
  .sup-contact-card{padding:40px 24px}
}