/* YouTube Tools Hub — clean editorial design, red accent used sparingly. */
:root{
  --bg:#fbfaf8; --surface:#ffffff; --ink:#1b1712; --muted:#6d655c; --line:#e7e1d9;
  --accent:#d92323; --accent-dark:#b91c1c; --accent-soft:#fdf0ef;
  --ok:#166534; --ok-bg:#f0fdf4; --err:#b91c1c; --err-bg:#fef2f2;
  --radius:16px; --shadow:0 1px 2px rgba(27,23,18,.05),0 8px 24px -12px rgba(27,23,18,.12);
  --font-body:"Inter",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  --font-display:"Fraunces",Georgia,"Times New Roman",serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{animation:none!important;transition:none!important}}
body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--font-body);font-size:16px;line-height:1.6;-webkit-font-smoothing:antialiased}
img{max-width:100%;height:auto}
a{color:var(--accent-dark);text-decoration-thickness:1px;text-underline-offset:3px}
a:hover{text-decoration:underline}
:focus-visible{outline:3px solid rgba(217,35,35,.55);outline-offset:2px;border-radius:6px}
.skip{position:absolute;left:-9999px;top:0;background:var(--ink);color:#fff;padding:.6rem 1rem;z-index:99;border-radius:0 0 10px 0}
.skip:focus{left:0;color:#fff}
.wrap{max-width:1120px;margin:0 auto;padding:0 20px}
h1,h2,h3{font-family:var(--font-display);font-weight:600;line-height:1.15;letter-spacing:-.01em;margin:0 0 .5em}
h1{font-size:clamp(2rem,4.6vw,3.1rem)}
h2{font-size:clamp(1.5rem,3vw,2.05rem)}
h3{font-size:1.18rem}
p{margin:0 0 1em}
.muted{color:var(--muted)}
.small{font-size:.9rem}
.center{text-align:center}
/* Header */
.site-head{position:sticky;top:0;z-index:50;background:rgba(251,250,248,.92);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.site-head .wrap{display:flex;align-items:center;gap:1rem;min-height:64px}
.brand{font-family:var(--font-display);font-size:1.28rem;font-weight:700;color:var(--ink);text-decoration:none;white-space:nowrap}
.brand .dot{color:var(--accent)}
/* Header navigation — created for the header only; the footer already has its own navigation and is untouched.
   Link hover/focus uses the footer's own treatment exactly: no underline by default, then an immediate,
   complete underline on hover (the footer rule is .site-foot a:hover{text-decoration:underline}, with the
   global 1px thickness / 3px offset). No growing underline and no transition/animation on these links. */
.header-nav{margin-left:auto}
.header-nav-list{list-style:none;margin:0;padding:0;display:flex;align-items:center;gap:1.4rem}
.header-nav a{color:var(--ink);text-decoration:none;font-size:.95rem}
.header-nav a:hover{text-decoration:underline;text-decoration-thickness:1px;text-underline-offset:3px}
.header-nav a:focus-visible{text-decoration:underline;text-decoration-thickness:1px;text-underline-offset:3px}
.header-nav a[aria-current="page"]{font-weight:700}
.header-tools-btn{font:inherit;font-size:.95rem;color:var(--ink);background:none;border:0;padding:0;cursor:pointer;display:inline-flex;align-items:center;gap:.3rem}
.header-tools-btn:hover{text-decoration:underline;text-decoration-thickness:1px;text-underline-offset:3px}
.header-tools-btn:focus-visible{text-decoration:underline;text-decoration-thickness:1px;text-underline-offset:3px}
.header-tools-btn .caret{font-size:.72rem;color:var(--muted)}
.header-nav-tools{position:relative}
.header-tools-menu{list-style:none;margin:0;padding:.55rem;position:absolute;top:calc(100% + 10px);left:50%;transform:translateX(-50%);min-width:322px;background:var(--surface);border:1px solid var(--line);border-radius:14px;box-shadow:var(--shadow);display:none;z-index:60}
.header-nav-tools.open .header-tools-menu{display:block}
.header-tools-menu a{display:block;white-space:nowrap;padding:.42rem .6rem;border-radius:8px;font-size:.94rem}
.header-menu-btn{display:none;font:inherit;font-weight:600;font-size:.92rem;color:var(--ink);background:var(--surface);border:1px solid var(--line);border-radius:10px;padding:.45rem .9rem;cursor:pointer;margin-left:auto}
.header-menu-btn:hover{border-color:#cfc6b9}
@media (max-width:860px){
  .header-menu-btn{display:inline-flex;align-items:center}
  .header-nav{display:none;width:100%;margin-left:0}
  .header-nav.open{display:block}
  .header-nav-list{flex-direction:column;align-items:stretch;gap:0;padding:.35rem 0 .75rem}
  .header-nav-list>li>a{display:block;padding:.5rem 0}
  .header-nav-tools{position:static}
  .header-tools-btn{padding:.5rem 0}
  .header-tools-menu{position:static;transform:none;min-width:0;background:transparent;border:0;border-radius:0;box-shadow:none;padding:0 0 .3rem 1rem}
  .header-tools-menu a{padding:.38rem 0}
}
@media (max-width:480px){.header-tools-menu a{white-space:normal}}
/* Hero */
.hero{padding:64px 0 30px;text-align:center}
.hero .eyebrow{display:inline-block;font-size:.8rem;font-weight:600;letter-spacing:.12em;text-transform:uppercase;color:var(--accent-dark);background:var(--accent-soft);border:1px solid #f3d3d1;padding:.3rem .8rem;border-radius:999px;margin-bottom:1.1rem}
.hero p.lede{font-size:1.13rem;color:var(--muted);max-width:640px;margin:0 auto 1.6rem}
.btn{display:inline-flex;align-items:center;gap:.5rem;font:inherit;font-weight:600;font-size:.98rem;padding:.72rem 1.35rem;border-radius:12px;border:1px solid transparent;cursor:pointer;text-decoration:none;transition:background .15s,border-color .15s}
.btn:hover{text-decoration:none}
.btn-primary{background:var(--accent);color:#fff}
.btn-primary:hover{background:var(--accent-dark)}
.btn-ghost{background:var(--surface);border-color:var(--line);color:var(--ink)}
.btn-ghost:hover{border-color:#cfc6b9}
.btn-sm{padding:.48rem .9rem;font-size:.9rem;border-radius:10px}
.btn[disabled]{opacity:.55;cursor:wait}
.hero-cta{display:flex;gap:.7rem;justify-content:center;flex-wrap:wrap}
/* Tool picker */
.picker{max-width:680px;margin:26px auto 0;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:1.1rem;display:flex;gap:.6rem;flex-wrap:wrap;text-align:left}
.picker label{font-weight:600;font-size:.92rem;width:100%}
.picker select{flex:1 1 260px;font:inherit;padding:.68rem .8rem;border:1px solid var(--line);border-radius:11px;background:#fff;color:var(--ink)}
/* Sections + cards */
.section{padding:44px 0}
.section-head{max-width:640px;margin:0 auto 1.8rem;text-align:center}
.grid{display:grid;gap:1rem}
.grid.tools{grid-template-columns:repeat(auto-fit,minmax(300px,1fr))}
.grid.three{grid-template-columns:repeat(auto-fit,minmax(250px,1fr))}
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:1.35rem;box-shadow:var(--shadow);display:flex;flex-direction:column;gap:.55rem}
.card .icon{width:44px;height:44px;border-radius:12px;background:var(--accent-soft);display:grid;place-items:center;color:var(--accent-dark)}
.card .icon svg{width:24px;height:24px}
.card h3{margin:0}
.card p{color:var(--muted);font-size:.95rem;flex:1}
.step-num{width:36px;height:36px;border-radius:50%;background:var(--ink);color:#fff;display:grid;place-items:center;font-weight:700;font-family:var(--font-display)}
.feature{display:flex;gap:.8rem;align-items:flex-start;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:1.1rem 1.2rem}
.feature .tick{color:var(--ok);font-weight:700}
/* Tool forms */
.tool-shell{max-width:760px;margin:0 auto}
.tool-card{background:var(--surface);border:1px solid var(--line);border-radius:20px;box-shadow:var(--shadow);padding:1.6rem}
.field label{display:block;font-weight:600;margin-bottom:.4rem}
.input-row{display:flex;gap:.55rem;flex-wrap:wrap}
.input-row input[type="url"],.input-row input[type="text"]{flex:1 1 320px;font:inherit;padding:.74rem .9rem;border:1px solid var(--line);border-radius:12px;background:#fff;color:var(--ink);min-width:0}
.input-row input[aria-invalid="true"]{border-color:var(--err)}
.hint{font-size:.88rem;color:var(--muted);margin-top:.5rem}
.msg{border-radius:12px;padding:.8rem 1rem;margin-top:1rem;display:none;font-size:.95rem}
.msg.show{display:block}
.msg.error{background:var(--err-bg);color:var(--err);border:1px solid #fecaca}
.msg.success{background:var(--ok-bg);color:var(--ok);border:1px solid #bbf7d0}
.msg.info{background:#eff6ff;color:#1d4ed8;border:1px solid #bfdbfe}
.spinner{display:none;align-items:center;gap:.6rem;margin-top:1rem;color:var(--muted)}
.spinner.show{display:flex}
.spinner .ring{width:20px;height:20px;border-radius:50%;border:3px solid var(--line);border-top-color:var(--accent);animation:spin .8s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}
.results{margin-top:1.4rem}
.results:empty{margin:0}
/* Thumbnails */
.thumb-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(230px,1fr));gap:1rem}
.thumb-card{border:1px solid var(--line);border-radius:14px;overflow:hidden;background:#fff}
.thumb-card figure{margin:0;background:#111;aspect-ratio:16/9;display:grid;place-items:center}
.thumb-card img{width:100%;height:100%;object-fit:contain;display:block}
.thumb-card .meta{padding:.8rem .9rem}
.thumb-card .meta strong{display:block}
.thumb-card .dims{color:var(--muted);font-size:.88rem}
.row-actions{display:flex;gap:.5rem;flex-wrap:wrap;margin-top:.6rem}
/* Channel results */
.channel-head{display:flex;gap:1rem;align-items:center;flex-wrap:wrap}
.channel-head img.avatar{width:96px;height:96px;border-radius:50%;object-fit:cover;border:1px solid var(--line)}
.banner-preview{border:1px solid var(--line);border-radius:14px;overflow:hidden;background:#111}
.banner-preview img{width:100%;display:block}
.kv{font-size:.95rem}
.kv dt{font-weight:600}
.kv dd{margin:0 0 .6rem;color:var(--muted);overflow-wrap:anywhere}
.chips{display:flex;flex-wrap:wrap;gap:.45rem;margin:.6rem 0}
.chip{display:inline-flex;align-items:center;gap:.4rem;background:#f5f1ea;border:1px solid var(--line);border-radius:999px;padding:.32rem .5rem .32rem .8rem;font-size:.9rem}
.chip button{border:0;background:var(--surface);border:1px solid var(--line);border-radius:999px;font:inherit;font-size:.78rem;padding:.15rem .55rem;cursor:pointer}
.chip button:hover{border-color:#cfc6b9}
.desc-box{background:#f8f5f1;border:1px solid var(--line);border-radius:12px;padding:1rem;white-space:pre-wrap;overflow-wrap:anywhere;font-size:.95rem;max-height:280px;overflow:auto}
/* FAQ */
.faq-list{max-width:820px;margin:0 auto;display:flex;flex-direction:column;gap:.6rem}
.faq-item{background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:.2rem 1.15rem}
.faq-item summary{cursor:pointer;font-weight:600;padding:.85rem 0;list-style:none;display:flex;justify-content:space-between;gap:1rem}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:"+";color:var(--accent);font-weight:700}
.faq-item[open ] summary::after{content:"–"}
.faq-item p{color:var(--muted);padding-bottom:1rem;margin:0}
/* Content pages */
.prose{max-width:760px;margin:0 auto}
.prose h2{margin-top:1.8rem}
.prose ul{padding-left:1.2rem}
.prose li{margin:.3rem 0}
/* Contact form */
.form-grid{display:flex;flex-direction:column;gap:1rem}
.form-grid input[type="text"],.form-grid input[type="email"],.form-grid textarea{font:inherit;padding:.72rem .9rem;border:1px solid var(--line);border-radius:12px;background:#fff;width:100%;color:var(--ink)}
.form-grid label{font-weight:600;display:block;margin-bottom:.35rem}
.check{display:flex;gap:.6rem;align-items:flex-start;font-size:.93rem;color:var(--muted)}
.check input{margin-top:.3rem}
.hp{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}
.email-card{display:flex;gap:.6rem;align-items:center;flex-wrap:wrap;background:var(--accent-soft);border:1px solid #f3d3d1;border-radius:14px;padding:1rem 1.2rem;margin-bottom:1.4rem}
/* Footer */
.site-foot{border-top:1px solid var(--line);background:#f4f0ea;margin-top:60px}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:2rem;padding:44px 0 30px}
@media (max-width:760px){.foot-grid{grid-template-columns:1fr}}
.site-foot h4{font-family:var(--font-display);margin:0 0 .7rem;font-size:1.02rem}
.site-foot ul{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:.42rem}
.site-foot a{color:var(--ink);text-decoration:none;font-size:.95rem}
.site-foot a:hover{text-decoration:underline}
.foot-bottom{border-top:1px solid var(--line);padding:16px 0 22px;display:flex;justify-content:space-between;gap:1rem;flex-wrap:wrap;font-size:.92rem;color:var(--muted)}
.foot-credit{margin-left:auto;text-align:right}
@media (max-width:640px){.foot-credit{margin-left:0;text-align:left}}
.free-word{color:#ff0000;font-weight:700;-webkit-text-stroke:.4px rgba(0,0,0,.45);text-stroke:.4px rgba(0,0,0,.45)}
.toast{position:fixed;bottom:22px;left:50%;transform:translateX(-50%) translateY(20px);background:var(--ink);color:#fff;padding:.65rem 1.1rem;border-radius:999px;font-size:.92rem;opacity:0;pointer-events:none;transition:opacity .2s,transform .2s;z-index:100;max-width:92vw;text-align:center}
.toast.show{opacity:1;transform:translateX(-50%) translateY(0)}
.page-head{padding:52px 0 8px;text-align:center}
.page-head p{color:var(--muted);max-width:620px;margin:0 auto}
.breadcrumb{font-size:.88rem;color:var(--muted);padding-top:18px}
.breadcrumb a{color:var(--muted)}
.note-box{background:#fffbeb;border:1px solid #fde68a;color:#92400e;border-radius:12px;padding:.9rem 1.1rem;font-size:.95rem}