@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700;800&display=swap');

*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}

:root{
  --blue:#0071e3;
  --blue-hover:#0077ed;
  --blue-active:#006edb;
  --green:#34c759;
  --red:#ff3b30;
  --text-primary:#1d1d1f;
  --text-secondary:#6e6e73;
  --text-tertiary:#86868b;
  --bg:#fff;
  --bg-secondary:#f5f5f7;
  --bg-tertiary:#fbfbfd;
  --border:rgba(0,0,0,0.08);
  --border-medium:rgba(0,0,0,0.14);
  --radius-sm:8px;
  --radius-md:12px;
  --radius-lg:18px;
  --radius-xl:22px;
  --font:"Outfit",-apple-system,BlinkMacSystemFont,"Helvetica Neue",sans-serif;
  --font-mono:"SF Mono","Fira Code","Fira Mono","Roboto Mono",monospace;
  --nav-height:52px;
  --max-w:1080px;
}

html{font-size:16px;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}
body{font-family:var(--font);background:var(--bg);color:var(--text-primary);line-height:1.6}

/* ── Nav ── */
nav{
  position:sticky;top:0;z-index:100;
  height:var(--nav-height);
  background:rgba(255,255,255,0.85);
  backdrop-filter:saturate(180%) blur(20px);
  -webkit-backdrop-filter:saturate(180%) blur(20px);
  border-bottom:0.5px solid var(--border);
  display:flex;align-items:center;
}
.nav-inner{
  max-width:var(--max-w);width:100%;margin:0 auto;
  padding:0 24px;
  display:flex;align-items:center;justify-content:space-between;
}
.nav-logo{
  font-size:18px;font-weight:700;color:var(--text-primary);
  text-decoration:none;letter-spacing:-.4px;
}
.nav-logo span{color:var(--blue)}
.nav-links{display:flex;align-items:center;gap:4px}
.nav-links a{
  font-size:14px;color:var(--text-secondary);text-decoration:none;
  padding:5px 10px;border-radius:7px;transition:background .15s,color .15s;
}
.nav-links a:hover{background:var(--bg-secondary);color:var(--text-primary)}
.nav-links a.active{color:var(--text-primary);font-weight:500}

/* ── Buttons ── */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:6px;
  font-family:var(--font);font-size:14px;font-weight:500;
  border:none;cursor:pointer;transition:all .15s;text-decoration:none;
  border-radius:980px;padding:8px 18px;white-space:nowrap;
}
.btn-primary{background:var(--blue);color:#fff}
.btn-primary:hover{background:var(--blue-hover)}
.btn-primary:active{background:var(--blue-active);transform:scale(.98)}
.btn-secondary{
  background:var(--bg-secondary);color:var(--text-primary);
  border:0.5px solid var(--border-medium);
}
.btn-secondary:hover{background:#e8e8ed}
.btn-secondary:active{transform:scale(.98)}
.btn-sm{font-size:13px;padding:5px 13px}
.btn-lg{font-size:16px;padding:11px 26px}
.btn-icon{padding:7px 12px;border-radius:var(--radius-sm)}

/* ── Tool layout ── */
.tool-hero{
  text-align:center;
  padding:56px 24px 40px;
  max-width:var(--max-w);margin:0 auto;
}
.tool-hero h1{
  font-size:clamp(28px,4vw,44px);
  font-weight:800;letter-spacing:-.8px;
  color:var(--text-primary);margin-bottom:10px;
}
.tool-hero p{
  font-size:17px;color:var(--text-secondary);
  max-width:520px;margin:0 auto 24px;
}
.tool-badges{display:flex;gap:8px;justify-content:center;flex-wrap:wrap}
.badge{
  font-size:12px;font-weight:500;color:var(--text-secondary);
  background:var(--bg-secondary);border:0.5px solid var(--border);
  border-radius:980px;padding:4px 12px;
}

.tool-section{
  max-width:var(--max-w);margin:0 auto;
  padding:0 24px 56px;
}
.tool-wrap{
  display:grid;
  grid-template-columns:1fr auto 1fr;
  gap:16px;align-items:start;
}
@media(max-width:700px){
  .tool-wrap{grid-template-columns:1fr;gap:12px}
  .tool-divider{display:none}
}
.panel{
  background:var(--bg);
  border:0.5px solid var(--border-medium);
  border-radius:var(--radius-lg);
  overflow:hidden;
}
.panel-header{
  display:flex;align-items:center;justify-content:space-between;
  padding:12px 16px;
  border-bottom:0.5px solid var(--border);
  background:var(--bg-tertiary);
}
.panel-label{
  font-size:12px;font-weight:600;
  color:var(--text-tertiary);
  text-transform:uppercase;letter-spacing:.06em;
}
.panel-actions-top{display:flex;gap:6px}
.panel textarea,.panel .output-content{
  width:100%;min-height:320px;
  font-family:var(--font-mono);font-size:13px;line-height:1.65;
  color:var(--text-primary);background:var(--bg);
  border:none;outline:none;resize:vertical;
  padding:16px;
}
.panel .output-content{
  min-height:320px;white-space:pre-wrap;word-break:break-all;
  overflow:auto;
}
.panel-footer{
  display:flex;align-items:center;justify-content:space-between;
  padding:10px 16px;
  border-top:0.5px solid var(--border);
  background:var(--bg-tertiary);
}
.panel-status{font-size:12px;color:var(--text-tertiary)}
.panel-status.ok{color:var(--green)}
.panel-status.err{color:var(--red)}

.tool-divider{
  display:flex;flex-direction:column;
  align-items:center;justify-content:center;
  padding-top:56px;gap:10px;
}

/* Options bar */
.options-bar{
  display:flex;align-items:center;gap:10px;flex-wrap:wrap;
  padding:14px 0 20px;
}
.options-bar label{font-size:13px;color:var(--text-secondary);display:flex;align-items:center;gap:6px}
.options-bar select{
  font-family:var(--font);font-size:13px;color:var(--text-primary);
  background:var(--bg-secondary);border:0.5px solid var(--border-medium);
  border-radius:6px;padding:4px 8px;outline:none;
}

/* ── Info sections ── */
.info-section{background:var(--bg-secondary);padding:56px 24px}
.info-inner{max-width:var(--max-w);margin:0 auto}
.info-inner h2{
  font-size:26px;font-weight:700;letter-spacing:-.3px;
  margin-bottom:32px;color:var(--text-primary);
}
.info-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:20px}
.info-card{
  background:var(--bg);border:0.5px solid var(--border);
  border-radius:var(--radius-lg);padding:22px;
}
.info-card h3{font-size:15px;font-weight:600;margin-bottom:6px;color:var(--text-primary)}
.info-card p{font-size:14px;color:var(--text-secondary);line-height:1.6}

/* Steps */
.steps{display:flex;flex-direction:column;gap:16px;margin-top:8px}
.step{display:flex;gap:14px;align-items:flex-start}
.step-num{
  width:26px;height:26px;border-radius:50%;flex-shrink:0;
  background:var(--blue);color:#fff;
  font-size:12px;font-weight:700;
  display:flex;align-items:center;justify-content:center;margin-top:1px;
}
.step-body h4{font-size:14px;font-weight:600;color:var(--text-primary);margin-bottom:2px}
.step-body p{font-size:14px;color:var(--text-secondary)}

/* FAQ */
.faq-section{padding:56px 24px}
.faq-inner{max-width:680px;margin:0 auto}
.faq-inner h2{font-size:26px;font-weight:700;letter-spacing:-.3px;margin-bottom:28px}
.faq-item{border-bottom:0.5px solid var(--border);padding:18px 0}
.faq-q{
  font-size:15px;font-weight:600;color:var(--text-primary);
  cursor:pointer;display:flex;justify-content:space-between;align-items:center;gap:12px;
  user-select:none;
}
.faq-q::after{content:"＋";font-size:16px;color:var(--text-tertiary);flex-shrink:0;transition:transform .2s}
.faq-item.open .faq-q::after{transform:rotate(45deg)}
.faq-a{font-size:14px;color:var(--text-secondary);line-height:1.7;margin-top:10px;display:none}
.faq-item.open .faq-a{display:block}

/* Related tools */
.related-section{background:var(--bg-secondary);padding:40px 24px}
.related-inner{max-width:var(--max-w);margin:0 auto}
.related-inner h3{font-size:18px;font-weight:600;margin-bottom:16px}
.related-grid{display:flex;flex-wrap:wrap;gap:10px}
.related-link{
  font-size:14px;color:var(--text-primary);text-decoration:none;
  background:var(--bg);border:0.5px solid var(--border-medium);
  border-radius:var(--radius-sm);padding:8px 16px;
  transition:border-color .15s,box-shadow .15s;
}
.related-link:hover{border-color:var(--blue);color:var(--blue)}

/* ── Homepage hero ── */
.home-hero{
  text-align:center;
  padding:88px 24px 72px;
  max-width:var(--max-w);margin:0 auto;
}
.home-hero .eyebrow{
  font-size:13px;font-weight:500;color:var(--blue);
  letter-spacing:.04em;text-transform:uppercase;margin-bottom:16px;
}
.home-hero h1{
  font-size:clamp(38px,6vw,68px);
  font-weight:800;letter-spacing:-1.5px;line-height:1.05;
  color:var(--text-primary);margin-bottom:18px;
}
.home-hero p{
  font-size:19px;color:var(--text-secondary);
  max-width:540px;margin:0 auto 32px;line-height:1.5;
}
.home-hero-actions{display:flex;gap:12px;justify-content:center;flex-wrap:wrap}

/* Tool grid */
.tools-section{background:var(--bg-secondary);padding:56px 24px}
.tools-inner{max-width:var(--max-w);margin:0 auto}
.section-header{display:flex;align-items:baseline;gap:12px;margin-bottom:24px}
.section-header h2{font-size:22px;font-weight:700;letter-spacing:-.3px}
.section-header span{font-size:13px;color:var(--text-tertiary)}
.tools-grid{
  display:grid;
  grid-template-columns:repeat(auto-fill,minmax(220px,1fr));
  gap:12px;
}
.tool-card{
  background:var(--bg);border:0.5px solid var(--border);
  border-radius:var(--radius-lg);padding:22px 20px;
  text-decoration:none;color:inherit;
  transition:border-color .2s,transform .15s;
  display:block;
}
.tool-card:hover{border-color:rgba(0,113,227,0.4);transform:translateY(-1px)}
.tool-icon{font-size:26px;margin-bottom:10px}
.tool-card h3{font-size:15px;font-weight:600;margin-bottom:5px;color:var(--text-primary)}
.tool-card p{font-size:13px;color:var(--text-secondary);line-height:1.5}
.tool-tag{
  display:inline-block;margin-top:10px;
  font-size:11px;font-weight:500;color:var(--blue);
  background:rgba(0,113,227,0.08);border-radius:4px;padding:2px 7px;
}

/* Privacy strip */
.privacy-strip{
  background:var(--bg);border-top:0.5px solid var(--border);
  border-bottom:0.5px solid var(--border);
  padding:18px 24px;
  display:flex;align-items:center;justify-content:center;gap:32px;
  flex-wrap:wrap;
}
.privacy-item{
  display:flex;align-items:center;gap:8px;
  font-size:13px;color:var(--text-secondary);
}
.privacy-item::before{content:"✓";color:var(--green);font-weight:700}

/* Footer */
footer{
  padding:32px 24px;
  border-top:0.5px solid var(--border);
  max-width:var(--max-w);margin:0 auto;
  display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:12px;
}
.footer-left{font-size:13px;color:var(--text-tertiary)}
.footer-links{display:flex;gap:20px}
.footer-links a{font-size:13px;color:var(--text-tertiary);text-decoration:none}
.footer-links a:hover{color:var(--text-primary)}

/* Utilities */
.container{max-width:var(--max-w);margin:0 auto;padding:0 24px}
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0)}
.text-center{text-align:center}
.mt-4{margin-top:4px}.mt-8{margin-top:8px}.mt-16{margin-top:16px}

/* Copy feedback */
.copy-ok{color:var(--green) !important}

/* AdSense placeholder */
.ad-unit{
  background:var(--bg-secondary);border:0.5px dashed var(--border-medium);
  border-radius:var(--radius-md);
  min-height:90px;display:flex;align-items:center;justify-content:center;
  margin:24px 0;
  font-size:12px;color:var(--text-tertiary);
}

@media(max-width:600px){
  .nav-links{display:none}
  .home-hero h1{font-size:36px}
  footer{flex-direction:column;align-items:flex-start}
  .privacy-strip{gap:16px;justify-content:flex-start}
}