/* =========================================================
   URL Redirect Checker — Design Tokens
   Signature: "trace" — a live animated hop chain running
   through the UI, echoing how a redirect actually travels.
   ========================================================= */
:root{
  --bg:#0A0F1C;
  --bg-elevated:#111827;
  --surface:#151E30;
  --surface-2:#1B2740;
  --border:#243050;
  --border-soft:#1C2740;
  --text:#EAF1FB;
  --text-dim:#9FB0CC;
  --text-faint:#66748F;
  --accent:#00D9C0;
  --accent-dim:#0A8F80;
  --accent-ink:#00251F;
  --warn:#FFB84D;
  --danger:#FF6161;
  --ok:#33D17A;
  --font-display:'Outfit',sans-serif;
  --font-body:'Inter',sans-serif;
  --radius:14px;
  --radius-sm:8px;
  --shadow:0 20px 60px -20px rgba(0,0,0,.6);
  --max:1180px;
}
[data-theme="light"]{
  --bg:#F5F7FB;
  --bg-elevated:#FFFFFF;
  --surface:#FFFFFF;
  --surface-2:#EEF2F9;
  --border:#DDE4F0;
  --border-soft:#E7ECF5;
  --text:#101828;
  --text-dim:#4B5670;
  --text-faint:#8895AC;
  --accent:#00A896;
  --accent-dim:#007A6C;
  --accent-ink:#E4FBF7;
  --shadow:0 20px 50px -25px rgba(20,30,60,.25);
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:var(--font-body);
  font-size:16px;
  line-height:1.55;
  overflow-x:hidden;
  transition:background .25s ease,color .25s ease;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
h1,h2,h3,h4{font-family:var(--font-display);margin:0 0 .5em;letter-spacing:-.01em}
p{margin:0 0 1em}
button{font-family:var(--font-body)}
.container{max-width:var(--max);margin:0 auto;padding:0 20px;width:100%}
.visually-hidden{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
::selection{background:var(--accent);color:var(--accent-ink)}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:4px}

/* ---------- Skip link ---------- */
.skip-link{position:absolute;top:-50px;left:12px;background:var(--accent);color:var(--accent-ink);padding:10px 16px;border-radius:8px;z-index:999;transition:top .2s}
.skip-link:focus{top:12px}

/* ---------- Top utility / cookie bar ---------- */
.cookie-bar{
  position:fixed;left:0;right:0;bottom:0;z-index:200;
  background:var(--surface);border-top:1px solid var(--border);
  box-shadow:var(--shadow);
  display:none;
}
.cookie-bar.show{display:block;animation:slideUp .35s ease}
@keyframes slideUp{from{transform:translateY(100%)}to{transform:translateY(0)}}
.cookie-inner{
  max-width:var(--max);margin:0 auto;padding:16px 20px;
  display:flex;align-items:center;gap:20px;flex-wrap:wrap;
}
.cookie-inner p{margin:0;font-size:.9rem;color:var(--text-dim);flex:1 1 320px}
.cookie-inner a{color:var(--accent);text-decoration:underline}
.cookie-actions{display:flex;gap:10px;flex:0 0 auto}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:10px;padding:11px 20px;font-weight:600;font-size:.92rem;
  border:1px solid transparent;cursor:pointer;transition:.18s ease;white-space:nowrap;
}
.btn-primary{background:var(--accent);color:var(--accent-ink)}
.btn-primary:hover{filter:brightness(1.08);transform:translateY(-1px)}
.btn-primary:disabled{opacity:.55;cursor:not-allowed;transform:none;filter:none}
.btn-ghost{background:transparent;border-color:var(--border);color:var(--text)}
.btn-ghost:hover{border-color:var(--accent);color:var(--accent)}
.btn-outline{background:var(--surface-2);border-color:var(--border);color:var(--text)}
.btn-outline:hover{border-color:var(--accent)}
.btn-sm{padding:8px 14px;font-size:.82rem;border-radius:8px}
.btn-block{width:100%}

/* ---------- Header ---------- */
.site-header{
  position:sticky;top:0;z-index:150;
  background:color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--border-soft);
}
.header-inner{display:flex;align-items:center;justify-content:space-between;padding:14px 20px;gap:16px}
.brand{display:flex;align-items:center;gap:10px;font-family:var(--font-display);font-weight:700;font-size:1.15rem}
.brand-mark{width:34px;height:34px;flex:0 0 auto}
.brand small{display:block;font-family:var(--font-body);font-weight:500;font-size:.65rem;color:var(--text-faint);letter-spacing:.04em}

.main-nav{display:flex;align-items:center;gap:6px}
.main-nav > ul{list-style:none;display:flex;gap:2px;margin:0;padding:0;align-items:center}
.main-nav a.nav-link{padding:9px 14px;border-radius:8px;font-size:.92rem;font-weight:500;color:var(--text-dim)}
.main-nav a.nav-link:hover{color:var(--text);background:var(--surface-2)}

.has-dropdown{position:relative}
.dropdown-toggle{display:flex;align-items:center;gap:5px;background:none;border:none;color:var(--text-dim);font-size:.92rem;font-weight:500;padding:9px 14px;border-radius:8px;cursor:pointer}
.dropdown-toggle:hover{color:var(--text);background:var(--surface-2)}
.dropdown-toggle svg{transition:transform .18s}
.has-dropdown.open .dropdown-toggle svg{transform:rotate(180deg)}
.dropdown-menu{
  position:absolute;top:calc(100% + 8px);left:0;
  background:var(--surface);border:1px solid var(--border);border-radius:12px;
  padding:8px;min-width:280px;max-height:70vh;overflow-y:auto;
  box-shadow:var(--shadow);
  display:none;grid-template-columns:1fr 1fr;gap:2px;
}
.has-dropdown.open .dropdown-menu{display:grid}
.dropdown-menu a{display:block;padding:8px 10px;border-radius:7px;font-size:.83rem;color:var(--text-dim)}
.dropdown-menu a:hover{background:var(--surface-2);color:var(--accent)}

.header-actions{display:flex;align-items:center;gap:10px}
.theme-toggle{
  width:40px;height:40px;border-radius:10px;border:1px solid var(--border);background:var(--surface-2);
  display:flex;align-items:center;justify-content:center;cursor:pointer;color:var(--text)
}
.theme-toggle:hover{border-color:var(--accent)}
.theme-toggle svg{width:18px;height:18px}
.theme-toggle .icon-sun{display:none}
[data-theme="light"] .theme-toggle .icon-moon{display:none}
[data-theme="light"] .theme-toggle .icon-sun{display:block}

.menu-toggle{display:none;width:40px;height:40px;border-radius:10px;border:1px solid var(--border);background:var(--surface-2);cursor:pointer;color:var(--text);flex-direction:column;align-items:center;justify-content:center;gap:4px}
.menu-toggle span{width:18px;height:2px;background:currentColor;border-radius:2px}

/* ---------- Breadcrumb ---------- */
.breadcrumb{padding:14px 0;border-bottom:1px solid var(--border-soft)}
.breadcrumb ol{list-style:none;display:flex;flex-wrap:wrap;gap:6px;margin:0;padding:0;font-size:.82rem;color:var(--text-faint)}
.breadcrumb a{color:var(--text-dim)}
.breadcrumb a:hover{color:var(--accent)}
.breadcrumb li:not(:last-child)::after{content:"/";margin-left:6px;color:var(--text-faint)}
.breadcrumb li[aria-current]{color:var(--text)}

/* ---------- Hero ---------- */
.hero{position:relative;padding:64px 0 56px;overflow:hidden}
.hero::before{
  content:"";position:absolute;inset:-20% -10% auto -10%;height:480px;
  background:radial-gradient(60% 60% at 30% 20%, color-mix(in srgb, var(--accent) 18%, transparent), transparent 70%);
  pointer-events:none;
}
.hero-inner{position:relative;z-index:1;display:grid;grid-template-columns:1.1fr .9fr;gap:48px;align-items:center}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:.78rem;font-weight:600;letter-spacing:.06em;text-transform:uppercase;color:var(--accent);background:color-mix(in srgb, var(--accent) 12%, transparent);border:1px solid color-mix(in srgb, var(--accent) 35%, transparent);padding:6px 12px;border-radius:99px;margin-bottom:18px}
.eyebrow .dot{width:6px;height:6px;border-radius:50%;background:var(--accent);animation:pulse 1.6s infinite}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.3}}
.hero h1{font-size:clamp(2.1rem,4.2vw,3.15rem);line-height:1.08;font-weight:700}
.hero h1 span{color:var(--accent)}
.hero-sub{font-size:1.08rem;color:var(--text-dim);max-width:56ch}
.hero-stats{display:flex;gap:28px;margin-top:26px;flex-wrap:wrap}
.hero-stat b{display:block;font-family:var(--font-display);font-size:1.4rem;color:var(--text)}
.hero-stat span{font-size:.78rem;color:var(--text-faint)}

/* Signature hop-chain visual */
.hop-visual{position:relative;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:28px 22px;box-shadow:var(--shadow)}
.hop-visual .hv-label{font-size:.72rem;text-transform:uppercase;letter-spacing:.08em;color:var(--text-faint);margin-bottom:16px}
.hop-track{display:flex;flex-direction:column;gap:0}
.hop-node{display:flex;align-items:center;gap:12px;position:relative;padding:10px 0}
.hop-node .node-dot{width:11px;height:11px;border-radius:50%;background:var(--surface-2);border:2px solid var(--border);flex:0 0 auto;z-index:1;transition:.3s}
.hop-node.active .node-dot{background:var(--accent);border-color:var(--accent);box-shadow:0 0 0 5px color-mix(in srgb, var(--accent) 18%, transparent)}
.hop-node:not(:last-child)::before{
  content:"";position:absolute;left:5px;top:26px;bottom:-4px;width:1px;background:var(--border);
}
.hop-node.active:not(:last-child)::before{background:var(--accent);opacity:.5}
.hop-node .node-body{flex:1;min-width:0}
.hop-node .node-url{font-family:'SFMono-Regular',Consolas,monospace;font-size:.78rem;color:var(--text-dim);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.hop-node .node-status{font-size:.68rem;font-weight:700;padding:2px 8px;border-radius:99px;flex:0 0 auto}
.status-3xx{background:color-mix(in srgb,var(--warn) 20%,transparent);color:var(--warn)}
.status-2xx{background:color-mix(in srgb,var(--ok) 20%,transparent);color:var(--ok)}

/* ---------- Tool section ---------- */
.tool-section{padding:20px 0 70px}
.tool-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);overflow:hidden}
.tool-tabs{display:flex;border-bottom:1px solid var(--border)}
.tool-tab{flex:1;padding:14px;text-align:center;background:none;border:none;color:var(--text-dim);font-weight:600;font-size:.9rem;cursor:pointer;border-bottom:2px solid transparent}
.tool-tab.active{color:var(--accent);border-bottom-color:var(--accent);background:color-mix(in srgb,var(--accent) 6%, transparent)}
.tool-body{padding:26px}
.tool-panel{display:none}
.tool-panel.active{display:block}

.field-row{display:flex;gap:10px;align-items:stretch}
.field-row input[type=text],.field-row input[type=url]{flex:1}
input[type=text],input[type=url],textarea{
  width:100%;background:var(--bg-elevated);border:1px solid var(--border);color:var(--text);
  padding:13px 14px;border-radius:10px;font-size:.95rem;font-family:var(--font-body);transition:.18s;
}
input[type=text]:focus,input[type=url]:focus,textarea:focus{border-color:var(--accent)}
textarea{resize:vertical;min-height:140px;font-family:'SFMono-Regular',Consolas,monospace;font-size:.85rem;line-height:1.6}
.field-hint{font-size:.78rem;color:var(--text-faint);margin-top:8px;display:flex;justify-content:space-between;flex-wrap:wrap;gap:6px}
.field-error{font-size:.8rem;color:var(--danger);margin-top:6px;display:none}
.field-error.show{display:block}
.input-invalid{border-color:var(--danger) !important}

.tool-options{display:flex;gap:18px;flex-wrap:wrap;margin-top:16px;padding-top:16px;border-top:1px solid var(--border-soft)}
.opt-check{display:flex;align-items:center;gap:8px;font-size:.85rem;color:var(--text-dim);cursor:pointer}
.opt-check input{accent-color:var(--accent);width:16px;height:16px}

.tool-actions{margin-top:20px;display:flex;gap:12px;align-items:center;flex-wrap:wrap}
.privacy-note{display:flex;align-items:center;gap:8px;font-size:.78rem;color:var(--text-faint);margin-top:14px}
.privacy-note svg{flex:0 0 auto;color:var(--accent)}

.upload-row{margin-top:12px;display:flex;align-items:center;gap:10px;font-size:.82rem;color:var(--text-faint)}
.upload-row label{color:var(--accent);cursor:pointer;font-weight:600}

/* Progress */
.progress-wrap{display:none;margin-top:20px}
.progress-wrap.show{display:block}
.progress-bar-track{height:6px;border-radius:99px;background:var(--surface-2);overflow:hidden}
.progress-bar-fill{height:100%;width:0%;background:var(--accent);border-radius:99px;transition:width .25s ease}
.progress-label{font-size:.78rem;color:var(--text-faint);margin-top:8px}

/* ---------- Results ---------- */
.results-section{padding:0 0 60px;display:none}
.results-section.show{display:block}
.results-head{display:flex;justify-content:space-between;align-items:flex-end;flex-wrap:wrap;gap:16px;margin-bottom:18px}
.results-summary{display:flex;gap:14px;flex-wrap:wrap}
.summary-chip{background:var(--surface);border:1px solid var(--border);border-radius:10px;padding:10px 16px;text-align:center;min-width:90px}
.summary-chip b{display:block;font-family:var(--font-display);font-size:1.3rem}
.summary-chip span{font-size:.7rem;color:var(--text-faint);text-transform:uppercase;letter-spacing:.04em}
.chip-ok b{color:var(--ok)}
.chip-redirect b{color:var(--warn)}
.chip-error b{color:var(--danger)}

.results-toolbar{display:flex;gap:10px;flex-wrap:wrap}
.table-wrap{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);overflow:auto;box-shadow:var(--shadow)}
table.results-table{width:100%;border-collapse:collapse;min-width:820px}
.results-table th{text-align:left;font-size:.72rem;text-transform:uppercase;letter-spacing:.05em;color:var(--text-faint);padding:14px 16px;border-bottom:1px solid var(--border);position:sticky;top:0;background:var(--surface)}
.results-table td{padding:14px 16px;border-bottom:1px solid var(--border-soft);font-size:.86rem;vertical-align:top}
.results-table tr:last-child td{border-bottom:none}
.results-table tr:hover td{background:var(--surface-2)}
.url-cell{max-width:260px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-family:'SFMono-Regular',Consolas,monospace;font-size:.8rem}
.status-pill{display:inline-flex;align-items:center;gap:5px;padding:3px 10px;border-radius:99px;font-size:.72rem;font-weight:700}
.pill-ok{background:color-mix(in srgb,var(--ok) 16%,transparent);color:var(--ok)}
.pill-redirect{background:color-mix(in srgb,var(--warn) 16%,transparent);color:var(--warn)}
.pill-error{background:color-mix(in srgb,var(--danger) 16%,transparent);color:var(--danger)}
.hop-count{font-weight:700;color:var(--text)}
.chain-toggle{background:none;border:1px solid var(--border);color:var(--text-dim);font-size:.72rem;padding:4px 10px;border-radius:7px;cursor:pointer}
.chain-toggle:hover{border-color:var(--accent);color:var(--accent)}
.chain-detail{display:none;margin-top:10px;padding:10px 12px;background:var(--bg-elevated);border-radius:8px;font-family:'SFMono-Regular',Consolas,monospace;font-size:.76rem;color:var(--text-dim);line-height:1.8}
.chain-detail.show{display:block}
.chain-detail .hop-line{display:flex;gap:8px;align-items:center;flex-wrap:wrap}
.chain-detail .arrow{color:var(--accent)}

.result-actions-bottom{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:16px;margin-top:22px}
.share-feedback{display:flex;gap:10px;flex-wrap:wrap}

/* SEO recommendations */
.seo-panel{margin-top:26px;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:24px}
.seo-panel h3{display:flex;align-items:center;gap:10px;font-size:1.1rem}
.seo-list{list-style:none;margin:16px 0 0;padding:0;display:grid;gap:10px}
.seo-list li{display:flex;gap:12px;align-items:flex-start;font-size:.87rem;color:var(--text-dim);padding:12px 14px;background:var(--bg-elevated);border-radius:10px;border:1px solid var(--border-soft)}
.seo-list li .tag{flex:0 0 auto;font-size:.65rem;font-weight:700;text-transform:uppercase;padding:3px 8px;border-radius:6px;letter-spacing:.03em}
.tag-good{background:color-mix(in srgb,var(--ok) 18%,transparent);color:var(--ok)}
.tag-warn{background:color-mix(in srgb,var(--warn) 18%,transparent);color:var(--warn)}
.tag-fix{background:color-mix(in srgb,var(--danger) 18%,transparent);color:var(--danger)}

/* Empty state */
.empty-state{text-align:center;padding:40px 20px;color:var(--text-faint)}

/* ---------- Generic sections ---------- */
.section{padding:70px 0}
.section-head{text-align:center;max-width:640px;margin:0 auto 42px}
.section-head .eyebrow{margin-bottom:14px}
.section-head h2{font-size:clamp(1.6rem,3vw,2.2rem)}
.section-head p{color:var(--text-dim)}
.alt{background:var(--bg-elevated)}

/* Features grid */
.features-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:20px}
.feature-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:24px;transition:.2s}
.feature-card:hover{border-color:var(--accent);transform:translateY(-3px)}
.feature-icon{width:42px;height:42px;border-radius:10px;background:color-mix(in srgb,var(--accent) 14%,transparent);color:var(--accent);display:flex;align-items:center;justify-content:center;margin-bottom:14px}
.feature-card h3{font-size:1.02rem}
.feature-card p{color:var(--text-dim);font-size:.88rem;margin:0}

/* How it works */
.steps-row{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;position:relative}
.step-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:22px;position:relative}
.step-num{font-family:var(--font-display);font-size:.78rem;font-weight:700;color:var(--accent);letter-spacing:.06em}
.step-card h3{font-size:.98rem;margin-top:8px}
.step-card p{color:var(--text-dim);font-size:.85rem;margin:0}

/* Article */
.article-block{max-width:820px;margin:0 auto}
.article-block h2{font-size:1.5rem}
.article-block p{color:var(--text-dim);font-size:.96rem}
.article-block h3{font-size:1.1rem;margin-top:1.4em}

/* FAQ */
.faq-list{max-width:820px;margin:0 auto;display:grid;gap:10px}
.faq-item{background:var(--surface);border:1px solid var(--border);border-radius:12px;overflow:hidden}
.faq-q{width:100%;display:flex;justify-content:space-between;align-items:center;gap:16px;padding:18px 20px;background:none;border:none;color:var(--text);font-family:var(--font-display);font-weight:600;font-size:.95rem;text-align:left;cursor:pointer}
.faq-q svg{flex:0 0 auto;transition:transform .2s;color:var(--accent)}
.faq-item.open .faq-q svg{transform:rotate(45deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .25s ease}
.faq-a-inner{padding:0 20px 18px;color:var(--text-dim);font-size:.9rem}

/* CTA */
.cta-section{background:linear-gradient(135deg,var(--surface),var(--surface-2));border-top:1px solid var(--border);border-bottom:1px solid var(--border)}
.cta-inner{text-align:center;max-width:640px;margin:0 auto}
.cta-inner h2{font-size:clamp(1.5rem,3vw,2.1rem)}
.cta-inner p{color:var(--text-dim)}
.cta-actions{display:flex;gap:12px;justify-content:center;flex-wrap:wrap;margin-top:20px}

/* Resource links before footer */
.resource-links{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:10px}
.resource-links a{padding:12px 14px;background:var(--surface);border:1px solid var(--border);border-radius:10px;font-size:.83rem;color:var(--text-dim);display:flex;align-items:center;gap:8px}
.resource-links a:hover{border-color:var(--accent);color:var(--accent)}

/* Footer */
.site-footer{background:var(--bg-elevated);border-top:1px solid var(--border);padding:50px 0 24px}
.footer-grid{display:grid;grid-template-columns:1.4fr repeat(4,1fr);gap:28px}
.footer-brand p{color:var(--text-faint);font-size:.85rem;max-width:32ch}
.footer-col h4{font-size:.78rem;text-transform:uppercase;letter-spacing:.05em;color:var(--text-faint);margin-bottom:12px}
.footer-col ul{list-style:none;margin:0;padding:0;display:grid;gap:9px}
.footer-col a{font-size:.85rem;color:var(--text-dim)}
.footer-col a:hover{color:var(--accent)}
.footer-bottom{margin-top:40px;padding-top:22px;border-top:1px solid var(--border-soft);display:flex;justify-content:space-between;flex-wrap:wrap;gap:14px;font-size:.78rem;color:var(--text-faint)}
.footer-bottom a{color:var(--text-faint)}
.footer-bottom a:hover{color:var(--accent)}
.trademark-note{font-size:.74rem;color:var(--text-faint);margin-top:10px;max-width:70ch}

/* Toast */
.toast{position:fixed;bottom:24px;left:50%;transform:translateX(-50%) translateY(20px);background:var(--surface);border:1px solid var(--border);color:var(--text);padding:12px 20px;border-radius:10px;box-shadow:var(--shadow);font-size:.87rem;opacity:0;pointer-events:none;transition:.25s;z-index:400;display:flex;align-items:center;gap:8px}
.toast.show{opacity:1;transform:translateX(-50%) translateY(0)}
.toast.err{border-color:var(--danger)}
.toast .dot{width:8px;height:8px;border-radius:50%;background:var(--accent)}
.toast.err .dot{background:var(--danger)}

/* Modal (feedback / share) */
.modal-overlay{position:fixed;inset:0;background:rgba(4,8,16,.6);backdrop-filter:blur(3px);z-index:500;display:none;align-items:center;justify-content:center;padding:20px}
.modal-overlay.show{display:flex}
.modal-box{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);max-width:420px;width:100%;padding:26px;box-shadow:var(--shadow)}
.modal-box h3{margin-bottom:4px}
.modal-box p{color:var(--text-dim);font-size:.87rem}
.modal-close{float:right;background:none;border:none;color:var(--text-faint);cursor:pointer;font-size:1.2rem}
.share-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;margin-top:16px}
.share-grid a{aspect-ratio:1;display:flex;align-items:center;justify-content:center;background:var(--surface-2);border:1px solid var(--border);border-radius:10px;color:var(--text-dim)}
.share-grid a:hover{border-color:var(--accent);color:var(--accent)}
.modal-box textarea{margin-top:12px}
.modal-box .btn{margin-top:14px}

/* Loader spinner in button */
.spinner{width:16px;height:16px;border:2px solid color-mix(in srgb, var(--accent-ink) 40%, transparent);border-top-color:var(--accent-ink);border-radius:50%;animation:spin .7s linear infinite;display:none}
.spinner.show{display:inline-block}

/* ---------- Responsive ---------- */
@keyframes spin{to{transform:rotate(360deg)}}

@media (max-width:960px){
  .hero-inner{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr}
  .steps-row{grid-template-columns:1fr 1fr}
}
@media (max-width:720px){
  .main-nav{display:none}
  .menu-toggle{display:flex}
  .main-nav.mobile-open{
    display:flex;flex-direction:column;position:fixed;top:64px;left:0;right:0;bottom:0;
    background:var(--bg);padding:16px;overflow-y:auto;z-index:140;align-items:stretch;
  }
  .main-nav.mobile-open > ul{flex-direction:column;align-items:stretch}
  .main-nav.mobile-open .dropdown-menu{position:static;display:none;grid-template-columns:1fr;box-shadow:none;border:none;background:var(--surface-2);margin-top:4px}
  .main-nav.mobile-open .has-dropdown.open .dropdown-menu{display:grid}
  .field-row{flex-direction:column}
  .results-table{min-width:680px}
  .footer-grid{grid-template-columns:1fr 1fr}
  .steps-row{grid-template-columns:1fr}
  .share-grid{grid-template-columns:repeat(4,1fr)}
}
@media (max-width:480px){
  .container{padding:0 14px}
  .footer-grid{grid-template-columns:1fr}
  .tool-body{padding:18px}
  .hero{padding:44px 0 36px}
  .results-head{align-items:flex-start}
  .cookie-inner{flex-direction:column;align-items:flex-start}
}

@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms !important;transition-duration:.001ms !important}
}