/* =====================================================================
   HeftySEO app shell (Nov 2026): dark app header, quick-link chips,
   sidebar menu, card layout and a tab bar on phones.
   Loaded after style.css; the page content keeps its Bootstrap markup.
   ===================================================================== */
:root{
  --app-bg:#eef1f6;--app-card:#fff;--app-card-2:#f6f8fb;--app-line:#e2e7ef;--app-ink:#0b1220;--app-muted:#5d6b82;
  --app-head:#0b1220;--app-head-2:#141d31;--app-head-line:#22304b;--app-head-ink:#fff;--app-head-muted:#9fb0cb;
  --app-accent:#1d4ed8;--app-accent-2:#06b6d4;--app-grad:linear-gradient(135deg,#1d4ed8,#06b6d4);
  --app-radius:16px;--app-shadow:0 1px 2px rgba(11,18,32,.04),0 6px 20px rgba(11,18,32,.05);
  --brand:#0b1220;--brand-2:#1d4ed8;--brand-3:#06b6d4;
}
html{scroll-padding-top:130px}
body{background:var(--app-bg)!important;color:var(--app-ink)}
body:before{display:none}
.hs-skip{position:absolute;left:-999px;top:8px;z-index:2000;background:#fff;color:#000;padding:8px 12px;border-radius:8px;font-weight:700}
.hs-skip:focus{left:8px}

/* ---------- header ---------- */
.app-head{position:sticky;top:0;z-index:1030;background:var(--app-head);color:var(--app-head-ink);box-shadow:0 1px 0 var(--app-head-line)}
.app-head-row{display:flex;align-items:center;gap:18px;height:62px;max-width:1500px;margin:0 auto;padding:0 18px}
.app-logo{display:flex;align-items:center;gap:10px;text-decoration:none;flex-shrink:0}
.app-logo img{width:34px;height:34px;border-radius:9px}
.app-logo span,.app-wordmark{font-size:1.32rem;font-weight:850;letter-spacing:-.04em;color:#fff}
.app-logo b,.app-wordmark b{background:linear-gradient(90deg,#60a5fa,#22d3ee);-webkit-background-clip:text;background-clip:text;color:transparent;font-weight:850}
.app-nav{display:flex;gap:2px;flex:1;align-self:stretch;overflow-x:auto;scrollbar-width:none}
.app-nav::-webkit-scrollbar{display:none}
.app-nav a{position:relative;display:flex;align-items:center;padding:0 12px;color:var(--app-head-muted);font-size:.92rem;font-weight:650;text-decoration:none;white-space:nowrap}
.app-nav a:hover,.app-nav a.is-active{color:#fff}
.app-nav a.is-active:after{content:"";position:absolute;left:10px;right:10px;bottom:0;height:3px;border-radius:3px 3px 0 0;background:var(--app-grad)}
.app-head-actions{display:flex;align-items:center;gap:8px;margin-left:auto}
.app-icon-btn{display:inline-grid;place-items:center;width:38px;height:38px;border-radius:999px;border:1px solid var(--app-head-line);background:var(--app-head-2);color:var(--app-head-muted);text-decoration:none;font-size:.95rem;cursor:pointer}
.app-icon-btn:hover{color:#fff}
.app-wa:hover{color:#25d366}
.app-cta{display:inline-flex;align-items:center;gap:8px;padding:9px 16px;border-radius:999px;background:var(--app-grad);color:#fff!important;font-weight:800;font-size:.9rem;text-decoration:none;white-space:nowrap;box-shadow:0 6px 18px rgba(29,78,216,.35)}
.app-menu-btn{display:none;width:38px;height:38px;border:0;border-radius:10px;background:transparent;color:#fff;font-size:1.1rem}
.app-subbar{border-top:1px solid var(--app-head-line);background:var(--app-head)}
.app-chips{display:flex;gap:8px;max-width:1500px;margin:0 auto;padding:9px 18px;overflow-x:auto;scrollbar-width:none}
.app-chips::-webkit-scrollbar{display:none}
.app-chip{flex-shrink:0;padding:6px 13px;border-radius:999px;background:var(--app-head-2);border:1px solid var(--app-head-line);color:#dbe4f3;font-size:.84rem;font-weight:650;text-decoration:none;white-space:nowrap}
.app-chip:hover{color:#fff;border-color:#35507c}
.app-chip.is-active{background:var(--app-grad);border-color:transparent;color:#fff}
.app-chip-accent{color:#fde047;border-color:rgba(253,224,71,.35)}

/* ---------- shell: sidebar + main ---------- */
.app-shell{display:grid;grid-template-columns:262px minmax(0,1fr);gap:18px;max-width:1500px;margin:0 auto;padding:18px 18px 40px;align-items:start}
.app-main{min-width:0}
.app-rail{position:sticky;top:124px;max-height:calc(100vh - 140px);overflow-y:auto;scrollbar-width:thin;display:flex;flex-direction:column;gap:10px}
.app-rail-top{display:none}
.rail-box{background:var(--app-card);border:1px solid var(--app-line);border-radius:var(--app-radius);box-shadow:var(--app-shadow);overflow:hidden;flex-shrink:0}
.rail-h{display:flex;align-items:center;gap:8px;margin:0;padding:11px 14px;font-size:.74rem;font-weight:800;text-transform:uppercase;letter-spacing:.06em;color:var(--app-muted);list-style:none;cursor:default}
.rail-h i{color:var(--app-accent)}
summary.rail-h{cursor:pointer}
summary.rail-h::-webkit-details-marker{display:none}
summary.rail-h:after{content:"›";margin-left:auto;font-size:1.1rem;transform:rotate(90deg);transition:transform .15s}
details[open] summary.rail-h:after{transform:rotate(-90deg)}
.rail-list{list-style:none;margin:0;padding:0 6px 8px}
.rail-list a{display:flex;justify-content:space-between;gap:8px;padding:7px 10px;border-radius:9px;color:#26324a;font-size:.9rem;font-weight:550;text-decoration:none;line-height:1.35}
.rail-list a:hover{background:var(--app-card-2);color:var(--app-ink)}
.rail-list a.is-active{background:#e8f0ff;color:var(--app-accent);box-shadow:inset 3px 0 0 var(--app-accent);font-weight:700}
.rail-list small{color:#b7791f;font-weight:800}
.rail-nap{margin:0;padding:0 16px 12px;font-size:.8rem;color:var(--app-muted)}
.app-scrim{display:none}

/* ---------- page content as cards ---------- */
.app-main .container{max-width:none;padding-left:clamp(18px,3vw,36px);padding-right:clamp(18px,3vw,36px)}
.app-main main>section,.app-main main>.section,.app-main>section{background:var(--app-card);border:1px solid var(--app-line);border-radius:var(--app-radius);box-shadow:var(--app-shadow);margin-bottom:16px;overflow:hidden}
.app-main .section{padding:44px 0}
.app-main .section-soft{background:var(--app-card-2);border-top:1px solid var(--app-line);border-bottom:1px solid var(--app-line)}
.app-main .section-title{margin-bottom:2rem}
.app-main .section-title h2{font-size:clamp(1.7rem,3vw,2.5rem);letter-spacing:-.04em}

/* hero: dark band like the ScoreFlare competition header */
.app-main .hero{min-height:0;padding:46px 0 40px;color:#fff;border-color:transparent!important;
  background:radial-gradient(circle at 88% 0%,rgba(6,182,212,.28),transparent 42%),radial-gradient(circle at 10% 110%,rgba(29,78,216,.35),transparent 45%),var(--app-head)!important}
.app-main .hero:before{top:50%;transform:translateY(-50%);right:3%;width:min(30vw,340px);opacity:.9;filter:drop-shadow(0 20px 40px rgba(0,0,0,.35))}
.app-main .hero:after{display:none}
.app-main .hero .hero-title,.app-main .hero h1{color:#fff;font-size:clamp(2.1rem,4.2vw,3.9rem);letter-spacing:-.05em;line-height:1.02;max-width:760px}
.app-main .hero .hero-copy,.app-main .hero p{color:#c3cfe2}
.app-main .hero .text-gradient{background:linear-gradient(90deg,#60a5fa,#22d3ee);-webkit-background-clip:text;background-clip:text;color:transparent}
.app-main .hero .eyebrow,.app-main .hero .badge-modern{color:#bfe3ff;background:rgba(255,255,255,.08);border-color:rgba(255,255,255,.16)}
.app-main .hero .btn-outline-primary{background:transparent;color:#fff;border-color:rgba(255,255,255,.35)}
.app-main .hero .btn-outline-primary:hover{background:rgba(255,255,255,.1)}
.app-main .hero .metric-card{background:rgba(255,255,255,.06);border-color:rgba(255,255,255,.12);box-shadow:none;backdrop-filter:none}
.app-main .hero .metric-card strong{color:#fff}
.app-main .hero .metric-card span{color:#a9b8d0}
.app-main .hero .metric-card a{color:#7dd3fc}
.app-main .hero .trust-strip{margin-top:2rem}
.app-main .hero a:not(.btn){color:#7dd3fc}
.app-main .hero .breadcrumb,.app-main .hero .breadcrumb a,.app-main .hero .breadcrumb-item+.breadcrumb-item:before{color:#9fb0cb}
.app-main .hero.hs-hero-compact{padding:32px 0 28px!important}

/* cards: flatter, ScoreFlare-style */
.app-main .service-card,.app-main .pricing-card,.app-main .process-card,.app-main .city-card,.app-main .contact-card,
.app-main .metric-card,.app-main .hs-case-card,.app-main .hs-review,.app-main .hs-guide-card,.app-main .hs-qa-item{border-radius:14px;box-shadow:none;border:1px solid var(--app-line);backdrop-filter:none}
.app-main .service-card,.app-main .pricing-card,.app-main .process-card,.app-main .city-card{padding:1.5rem}
.app-main .service-card:hover,.app-main .pricing-card:hover,.app-main .process-card:hover,.app-main .city-card:hover{transform:translateY(-3px);box-shadow:0 12px 30px rgba(11,18,32,.08)}
.app-main .service-card:before,.app-main .pricing-card:before,.app-main .process-card:before{height:4px;background:var(--app-grad)}
.app-main .icon-box{width:52px;height:52px;border-radius:14px;background:var(--app-grad)}
.app-main .audit-panel{border-radius:var(--app-radius);background:radial-gradient(circle at 85% 8%,rgba(255,255,255,.16),transparent 24%),linear-gradient(135deg,#0b1220,#1d4ed8 60%,#06b6d4)}
.app-main .accordion-item{border-radius:12px!important;box-shadow:none}
.app-main .table-premium{border-radius:14px}
.app-main .table-premium th{background:var(--app-head)}
.btn-primary{background:var(--app-grad);box-shadow:0 8px 20px rgba(29,78,216,.25)}
.btn{font-weight:800}
.btn:hover{transform:translateY(-1px)}
.hs-toc{top:130px!important;border-radius:14px!important;box-shadow:none!important;border-color:var(--app-line)!important}

/* footer */
.footer{border-radius:0;padding:48px 0 22px;background:var(--app-head)}
.footer .container{max-width:1500px}
.footer .app-wordmark{font-size:1.5rem}

/* ---------- phones & tablets ---------- */
.app-tabs{display:none}
@media (max-width:1100px){
  .app-nav{display:none}
}
@media (max-width:991.98px){
  .app-menu-btn{display:inline-grid;place-items:center}
  .app-head-row{gap:10px;padding:0 10px;height:56px}
  .app-cta span{display:none}
  .app-cta{width:38px;height:38px;padding:0;justify-content:center}
  .app-shell{display:block;padding:12px 0 90px}
  .app-rail{position:fixed;top:0;left:0;bottom:0;z-index:1060;width:min(86vw,330px);max-height:none;padding:12px;background:var(--app-bg);transform:translateX(-105%);transition:transform .22s ease;box-shadow:0 0 40px rgba(0,0,0,.3)}
  .app-menu-open .app-rail{transform:none}
  .app-rail-top{display:flex;align-items:center;justify-content:space-between;padding:4px 4px 6px;font-size:1.1rem}
  .app-rail-top .app-icon-btn{background:var(--app-card);border-color:var(--app-line);color:var(--app-ink)}
  .app-scrim{display:block;position:fixed;inset:0;z-index:1055;background:rgba(5,10,20,.5)}
  .app-scrim[hidden]{display:none}
  .app-menu-open{overflow:hidden}
  .app-main main>section,.app-main main>.section,.app-main>section{border-radius:0;border-left:0;border-right:0;margin-bottom:10px}
  .app-main .hero{padding:32px 0 30px;text-align:left}
  .app-main .hero:before{display:none}
  .app-main .hero .hero-title,.app-main .hero h1{font-size:clamp(1.9rem,8vw,2.6rem)}
  .app-main .hero-actions{justify-content:flex-start}
  .app-main .trust-strip{margin-left:0}
  .app-main .section{padding:32px 0}
  .app-tabs{display:grid;grid-template-columns:repeat(5,1fr);position:fixed;left:0;right:0;bottom:0;z-index:1040;background:var(--app-head);border-top:1px solid var(--app-head-line);padding-bottom:env(safe-area-inset-bottom)}
  .app-tabs a,.app-tabs button{display:flex;flex-direction:column;align-items:center;gap:3px;padding:9px 2px 8px;border:0;background:none;color:var(--app-head-muted);font-size:.7rem;font-weight:700;text-decoration:none}
  .app-tabs i{font-size:1.05rem}
  .app-tabs .is-active{color:#fff}
  .app-tabs .app-tab-cta{color:#22d3ee}
  .hs-wa-float{bottom:78px!important}
}
@media (max-width:575.98px){
  .app-chips{padding:8px 10px}
  .app-logo span{font-size:1.15rem}
  .app-icon-btn{width:34px;height:34px}
  .app-cta{width:34px;height:34px}
}

/* site search (header magnifier) */
.hs-search-results{margin-top:14px;display:flex;flex-direction:column;gap:6px}
.hs-search-results a{display:block;padding:12px 16px;border-radius:12px;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.12);color:#fff;text-decoration:none;font-weight:650}
.hs-search-results a:hover{background:rgba(255,255,255,.16)}
.hs-search-results p{color:#c3cfe2;margin:0}.hs-search-results p a{display:inline;padding:0;background:none;border:0;color:#7dd3fc}