/* =========================================================
   Tool / Landing Pages — shared styles
   Loaded alongside styles.css + footer.css
   ========================================================= */

/* ========== MOBILE NAVIGATION (tool pages) ========== */
.nav-links{display:none}
.nav-cta-desktop{display:none}

.nav-burger{
  display:flex;flex-direction:column;justify-content:center;align-items:center;
  gap:5px;width:36px;height:36px;padding:0;
  background:transparent;border:1px solid rgba(255,255,255,.08);
  border-radius:8px;cursor:pointer;position:relative;z-index:1001;
  transition:border-color .3s ease,background .3s ease;
}
.nav-burger:hover,.nav-burger:focus{
  outline:none;border-color:rgba(14,165,233,.35);background:rgba(14,165,233,.06);
}
.burger-line{
  display:block;height:1.5px;border-radius:2px;background:#f5f5f5;
  transition:all .45s cubic-bezier(.77,0,.18,1);transform-origin:center;
}
.burger-line:nth-child(1){width:18px}
.burger-line:nth-child(2){width:12px;transition-delay:.05s}
.burger-line:nth-child(3){width:18px}
.nav-burger:hover .burger-line{background:#0EA5E9}
.nav-burger:hover .burger-line:nth-child(2){width:18px}
.nav-burger.is-open{border-color:rgba(14,165,233,.3);background:rgba(14,165,233,.08)}
.nav-burger.is-open .burger-line:nth-child(1){width:18px;transform:translateY(7px) rotate(45deg);background:#0EA5E9}
.nav-burger.is-open .burger-line:nth-child(2){width:0;opacity:0}
.nav-burger.is-open .burger-line:nth-child(3){width:18px;transform:translateY(-7px) rotate(-45deg);background:#0EA5E9}

.mobile-menu{
  position:fixed;inset:0;z-index:999;
  background:rgba(8,8,8,.96);
  -webkit-backdrop-filter:blur(30px) saturate(1.2);
  backdrop-filter:blur(30px) saturate(1.2);
  opacity:0;visibility:hidden;
  transition:opacity .45s ease,visibility .45s ease;
  overflow-y:auto;overscroll-behavior:contain;
}
.mobile-menu.is-open{opacity:1;visibility:visible}
.mobile-menu-inner{
  display:flex;flex-direction:column;min-height:100vh;min-height:100dvh;
  padding:calc(var(--navH,64px) + 48px) var(--gutter,20px) 40px;
}
.mobile-nav{display:flex;flex-direction:column;gap:0;flex:1;counter-reset:mnl}
.mobile-nav-link{
  display:flex;flex-direction:column;gap:4px;
  padding:20px 0 20px 44px;text-decoration:none;
  color:rgba(255,255,255,.75);border:none;
  border-bottom:1px solid rgba(255,255,255,.05);
  border-radius:0;background:none;position:relative;
  counter-increment:mnl;opacity:0;
  transition:opacity .4s cubic-bezier(.22,.61,.36,1),transform .5s cubic-bezier(.22,.61,.36,1);
}
.mobile-nav-link:nth-child(odd){transform:translateX(-30px)}
.mobile-nav-link:nth-child(even){transform:translateX(30px)}
.mobile-nav-link::before{
  content:"0" counter(mnl);position:absolute;left:0;top:22px;
  font-family:"Bebas Neue",system-ui,sans-serif;font-size:14px;
  letter-spacing:.05em;color:#0EA5E9;opacity:.6;transition:opacity .3s ease;
}
.mobile-nav-link::after{
  content:"";position:absolute;left:30px;top:24px;width:0;height:1px;
  background:linear-gradient(90deg,#0EA5E9,rgba(139,92,246,.6));
  transition:width .35s cubic-bezier(.22,.61,.36,1);
}
.mnl-label{
  font-family:"Bebas Neue",system-ui,sans-serif;
  font-size:clamp(30px,8vw,42px);line-height:1;letter-spacing:.04em;
  text-transform:uppercase;color:rgba(255,255,255,.85);
  transition:color .3s ease,letter-spacing .3s ease;
}
.mnl-sub{
  font-family:Inter,system-ui,sans-serif;font-size:11px;font-weight:500;
  letter-spacing:.08em;text-transform:uppercase;color:rgba(255,255,255,.25);
  transition:color .3s ease;
}
.mobile-menu.is-open .mobile-nav-link{transform:translateX(0);opacity:1}
.mobile-menu.is-open .mobile-nav-link:nth-child(1){transition-delay:.08s}
.mobile-menu.is-open .mobile-nav-link:nth-child(2){transition-delay:.14s}
.mobile-menu.is-open .mobile-nav-link:nth-child(3){transition-delay:.20s}
.mobile-menu.is-open .mobile-nav-link:nth-child(4){transition-delay:.26s}
.mobile-nav-link:hover,.mobile-nav-link:focus{background:none;border-color:rgba(14,165,233,.15);outline:none}
.mobile-nav-link:hover .mnl-label,.mobile-nav-link:focus .mnl-label{color:#fff;letter-spacing:.06em}
.mobile-nav-link:hover .mnl-sub,.mobile-nav-link:focus .mnl-sub{color:rgba(14,165,233,.6)}
.mobile-nav-link:hover::before,.mobile-nav-link:focus::before{opacity:1}
.mobile-nav-link:hover::after,.mobile-nav-link:focus::after{width:10px}

.mobile-cta{
  display:flex;align-items:center;justify-content:center;gap:8px;
  padding:16px 24px;margin-top:32px;
  font-family:"Bebas Neue",system-ui,sans-serif;font-size:18px;
  letter-spacing:.1em;color:#0b0b0b;text-decoration:none;
  background:#fff;border:none;border-radius:8px;
  transition:all .35s ease;transform:translateY(20px);opacity:0;
}
.mobile-menu.is-open .mobile-cta{transform:translateY(0);opacity:1;transition-delay:.38s}
.mobile-cta:hover,.mobile-cta:focus{
  background:#0EA5E9;color:#fff;transform:translateY(-2px);
  box-shadow:0 8px 28px rgba(14,165,233,.25);
}
.mobile-menu-footer{
  margin-top:28px;padding-top:16px;
  border-top:1px solid rgba(255,255,255,.05);
  text-align:center;transform:translateY(10px);opacity:0;
  transition:all .4s ease;
}
.mobile-menu.is-open .mobile-menu-footer{transform:translateY(0);opacity:1;transition-delay:.44s}
.mobile-footer-text{
  font-family:"Bebas Neue",system-ui,sans-serif;font-size:13px;font-weight:400;
  color:rgba(255,255,255,.2);letter-spacing:.18em;text-transform:uppercase;
}

/* Nav scroll-hide transition */
.nav{transition:transform .3s ease}

@media(min-width:1024px){
  .nav-links{display:flex}
  .nav-cta-desktop{display:inline-flex}
  .nav-burger{display:none}
  .mobile-menu{display:none!important}
}
/* ========== END MOBILE NAVIGATION ========== */

/* Hero */
.tool-hero{
  padding:calc(var(--navH,72px) + 60px) 0 48px;
  background:linear-gradient(180deg,rgba(255,255,255,.02) 0%,transparent 60%);
  border-bottom:1px solid var(--line);
}
.tool-hero .container{max-width:900px}
.tool-hero h1{
  font-family:'Bebas Neue',system-ui,sans-serif;
  font-size:clamp(2rem,5vw,3.2rem);
  font-weight:400;letter-spacing:.03em;
  line-height:1.1;margin:0 0 16px;color:var(--text);
}
.tool-hero .tool-subtitle{
  font-size:clamp(14px,1.4vw,17px);
  color:var(--muted);line-height:1.65;margin:0;
  max-width:640px;
}

/* Intro */
.tool-intro{padding:clamp(40px,6vh,64px) 0}
.tool-intro .container{max-width:800px}
.tool-intro p{
  font-size:15px;color:var(--muted);
  line-height:1.7;margin:0 0 16px;
}
.tool-intro p:last-child{margin-bottom:0}

/* How It Works */
.tool-steps{
  padding:clamp(40px,6vh,64px) 0;
  border-top:1px solid var(--line);
}
.tool-steps-title{
  font-family:'Bebas Neue',system-ui,sans-serif;
  font-size:clamp(1.4rem,3vw,2rem);font-weight:400;
  letter-spacing:.03em;color:var(--text);
  margin:0 0 clamp(24px,3vh,36px);
}
.tool-steps-grid{
  display:grid;grid-template-columns:1fr;gap:16px;
}
@media(min-width:640px){.tool-steps-grid{grid-template-columns:repeat(3,1fr)}}
.tool-step{
  padding:clamp(18px,2vw,24px);
  border:1px solid rgba(255,255,255,.06);border-radius:12px;
  background:#0f0f0f;
}
.tool-step-num{
  font-family:'Bebas Neue',system-ui,sans-serif;
  font-size:28px;color:var(--accent);
  line-height:1;margin:0 0 10px;
}
.tool-step h3{
  font-size:15px;font-weight:700;color:var(--text);
  margin:0 0 8px;
}
.tool-step p{
  font-size:13px;color:var(--muted);line-height:1.6;margin:0;
}

/* Use Cases */
.tool-usecases{
  padding:clamp(40px,6vh,64px) 0;
  border-top:1px solid var(--line);
}
.tool-usecases-title{
  font-family:'Bebas Neue',system-ui,sans-serif;
  font-size:clamp(1.4rem,3vw,2rem);font-weight:400;
  letter-spacing:.03em;color:var(--text);
  margin:0 0 clamp(24px,3vh,36px);
}
.tool-usecases-grid{
  display:grid;grid-template-columns:1fr 1fr;gap:14px;
}
@media(min-width:768px){.tool-usecases-grid{grid-template-columns:repeat(4,1fr)}}
.tool-usecase{
  padding:clamp(16px,2vw,20px);
  border:1px solid rgba(255,255,255,.06);border-radius:10px;
  background:#0f0f0f;
}
.tool-usecase h4{
  font-size:13px;font-weight:700;color:var(--text);
  margin:0 0 6px;
}
.tool-usecase p{
  font-size:12px;color:var(--muted);line-height:1.55;margin:0;
}

/* CTA Block */
.tool-cta{
  padding:clamp(40px,6vh,56px) 0;
  text-align:center;
  border-top:1px solid var(--line);
}
.tool-cta-title{
  font-family:'Bebas Neue',system-ui,sans-serif;
  font-size:clamp(1.4rem,3vw,2rem);font-weight:400;
  letter-spacing:.03em;color:var(--text);
  margin:0 0 20px;
}
.tool-cta-buttons{
  display:flex;justify-content:center;
  flex-wrap:wrap;gap:12px;
}

/* Related Tools */
.tool-related{
  padding:clamp(40px,6vh,64px) 0;
  border-top:1px solid var(--line);
}
.tool-related-title{
  font-family:'Bebas Neue',system-ui,sans-serif;
  font-size:clamp(1.2rem,2.5vw,1.6rem);font-weight:400;
  letter-spacing:.03em;color:var(--text);
  margin:0 0 clamp(20px,3vh,28px);
}
.tool-related-grid{
  display:grid;grid-template-columns:1fr 1fr;gap:14px;
}
@media(min-width:768px){.tool-related-grid{grid-template-columns:repeat(3,1fr)}}
.tool-link-card{
  display:block;padding:clamp(16px,2vw,20px);
  border:1px solid rgba(255,255,255,.06);border-radius:10px;
  background:#0f0f0f;text-decoration:none;
  transition:border-color .22s ease,transform .22s ease;
}
.tool-link-card:hover{
  border-color:rgba(14,165,233,.3);transform:translateY(-2px);
}
.tool-link-card h4{
  font-size:14px;font-weight:700;color:var(--text);margin:0 0 4px;
}
.tool-link-card p{
  font-size:12px;color:var(--muted);line-height:1.5;margin:0;
}

/* Directory: ai-tools page categories */
.tools-category{
  padding:clamp(32px,4vh,48px) 0;
  border-top:1px solid var(--line);
}
.tools-category:first-of-type{border-top:none}
.tools-cat-title{
  font-family:'Bebas Neue',system-ui,sans-serif;
  font-size:clamp(1.3rem,2.5vw,1.8rem);font-weight:400;
  letter-spacing:.03em;color:var(--text);
  margin:0 0 clamp(16px,2vh,24px);
}
.tools-cat-grid{
  display:grid;grid-template-columns:1fr;gap:14px;
}
@media(min-width:640px){.tools-cat-grid{grid-template-columns:repeat(2,1fr)}}
@media(min-width:768px){.tools-cat-grid{grid-template-columns:repeat(3,1fr)}}

/* Knowledge hub categories */
.knowledge-category{
  padding:clamp(32px,4vh,48px) 0;
  border-top:1px solid var(--line);
}
.knowledge-category:first-of-type{border-top:none}
.knowledge-cat-title{
  font-family:'Bebas Neue',system-ui,sans-serif;
  font-size:clamp(1.3rem,2.5vw,1.8rem);font-weight:400;
  letter-spacing:.03em;color:var(--text);
  margin:0 0 clamp(16px,2vh,24px);
}
.knowledge-list{
  list-style:none;margin:0;padding:0;
  display:grid;grid-template-columns:1fr;gap:12px;
}
@media(min-width:640px){.knowledge-list{grid-template-columns:repeat(2,1fr)}}
.knowledge-item a{
  display:block;padding:clamp(14px,2vw,18px);
  border:1px solid rgba(255,255,255,.06);border-radius:10px;
  background:#0f0f0f;text-decoration:none;
  transition:border-color .22s ease;
}
.knowledge-item a:hover{border-color:rgba(14,165,233,.3)}
.knowledge-item h4{
  font-size:14px;font-weight:700;color:var(--text);margin:0 0 4px;
}
.knowledge-item p{
  font-size:12px;color:var(--muted);line-height:1.5;margin:0;
}