/* ===================================================================
   AI Title Tag Generator — SEOWebChecker.com
   Design direction: "signal engine" — a title tag is a broadcast
   signal condensed to 60 characters. Palette + type reflect a tuned
   dial/console rather than a generic SaaS gradient card.
   =================================================================== */

:root{
  --bg:#f6f4ee;
  --surface:#ffffff;
  --ink:#1b1f23;
  --ink-soft:#5b6168;
  --line:#e2ddd0;
  --signal:#b5471b;      /* dial-orange accent, used sparingly */
  --signal-soft:#f2e3d8;
  --good:#1f7a52;
  --bad:#b23b3b;
  --mono:'IBM Plex Mono', ui-monospace, SFMono-Regular, Menlo, monospace;
  --display:'Outfit', sans-serif;
  --body:'Inter', sans-serif;
  --radius:10px;
  --shadow:0 1px 2px rgba(27,31,35,.04), 0 8px 24px rgba(27,31,35,.06);
}

[data-theme="dark"]{
  --bg:#12130f;
  --surface:#1a1c17;
  --ink:#f2efe6;
  --ink-soft:#a9a597;
  --line:#2c2e26;
  --signal:#e07a3f;
  --signal-soft:#2a2019;
  --good:#4fbf8d;
  --bad:#e2716f;
  --shadow:0 1px 2px rgba(0,0,0,.3), 0 8px 30px rgba(0,0,0,.35);
}

*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:var(--body);
  line-height:1.55;
  overflow-x:hidden;
  transition:background .25s ease, color .25s ease;
}
img{max-width:100%;display:block;}
a{color:inherit;}
.container{max-width:1180px;margin:0 auto;padding:0 20px;}

h1,h2,h3,h4{font-family:var(--display);letter-spacing:-.01em;margin:0 0 .5em;}
.eyebrow{
  font-family:var(--mono);
  font-size:.72rem;
  letter-spacing:.14em;
  text-transform:uppercase;
  color:var(--signal);
}

/* ---------- Skip link ---------- */
.skip-link{position:absolute;left:-9999px;top:0;background:var(--signal);color:#fff;padding:.6rem 1rem;z-index:200;}
.skip-link:focus{left:10px;top:10px;}

/* ---------- Top utility bar ---------- */
.utility-bar{
  background:var(--ink);
  color:var(--bg);
  font-family:var(--mono);
  font-size:.72rem;
  letter-spacing:.03em;
}
.utility-bar .container{display:flex;justify-content:space-between;align-items:center;height:34px;overflow:hidden;white-space:nowrap;}
.utility-bar a{text-decoration:none;opacity:.85;}
.utility-bar a:hover{opacity:1;}

/* ---------- Navbar ---------- */
.navbar{
  position:sticky;top:0;z-index:100;
  background:var(--surface);
  border-bottom:1px solid var(--line);
}
.navbar .container{display:flex;align-items:center;justify-content:space-between;height:64px;gap:16px;}
.brand{display:flex;align-items:center;gap:8px;font-family:var(--display);font-weight:700;font-size:1.05rem;text-decoration:none;color:var(--ink);white-space:nowrap;}
.brand .dot{width:9px;height:9px;border-radius:50%;background:var(--signal);}
.brand small{color:var(--ink-soft);font-weight:500;}

.nav-links{display:flex;align-items:center;gap:22px;font-size:.92rem;}
.nav-links > li{list-style:none;position:relative;}
.nav-links a{text-decoration:none;font-weight:500;}
.nav-links a:hover{color:var(--signal);}

.has-dropdown{position:relative;}
.dropdown-toggle{background:none;border:0;font:inherit;font-weight:500;cursor:pointer;color:var(--ink);display:flex;align-items:center;gap:4px;padding:8px 0;}
.dropdown-toggle:hover{color:var(--signal);}
.dropdown-panel{
  position:absolute;top:100%;left:50%;transform:translateX(-50%);
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  box-shadow:var(--shadow);padding:10px;display:none;
  width:340px;max-height:360px;overflow-y:auto;
  grid-template-columns:1fr 1fr;gap:2px;z-index:50;
}
.has-dropdown.open .dropdown-panel{display:grid;}
.dropdown-panel a{display:block;padding:7px 10px;border-radius:6px;font-size:.82rem;text-decoration:none;color:var(--ink-soft);}
.dropdown-panel a:hover{background:var(--signal-soft);color:var(--signal);}

.nav-actions{display:flex;align-items:center;gap:10px;}
.theme-toggle{
  width:40px;height:40px;border-radius:50%;border:1px solid var(--line);
  background:var(--surface);cursor:pointer;display:flex;align-items:center;justify-content:center;
  font-size:1rem;
}
.nav-cta{
  background:var(--ink);color:var(--bg);text-decoration:none;font-weight:600;
  padding:9px 16px;border-radius:8px;font-size:.86rem;white-space:nowrap;
}
.nav-burger{display:none;background:none;border:0;font-size:1.4rem;cursor:pointer;color:var(--ink);}

@media (max-width:920px){
  .nav-links{display:none;}
  .nav-burger{display:block;}
  .navbar.mobile-open .nav-links{
    display:flex;flex-direction:column;position:absolute;top:64px;left:0;right:0;
    background:var(--surface);border-bottom:1px solid var(--line);padding:14px 20px;gap:14px;
  }
  .navbar.mobile-open .dropdown-panel{position:static;width:100%;transform:none;display:none;}
  .navbar.mobile-open .has-dropdown.open .dropdown-panel{display:grid;}
}

/* ---------- Breadcrumb ---------- */
.breadcrumb{font-family:var(--mono);font-size:.78rem;color:var(--ink-soft);padding:14px 0;}
.breadcrumb a{text-decoration:none;}
.breadcrumb a:hover{color:var(--signal);}
.breadcrumb .sep{margin:0 6px;opacity:.5;}

/* ---------- Hero ---------- */
.hero{padding:32px 0 56px;}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center;}
@media (max-width:920px){.hero-grid{grid-template-columns:1fr;}}
.hero h1{font-size:clamp(2rem,4vw,2.9rem);line-height:1.08;}
.hero .lede{color:var(--ink-soft);font-size:1.08rem;max-width:52ch;margin-bottom:22px;}
.trust-row{display:flex;gap:18px;flex-wrap:wrap;font-family:var(--mono);font-size:.76rem;color:var(--ink-soft);}
.trust-row strong{color:var(--ink);}

/* dial graphic */
.dial-card{background:var(--surface);border:1px solid var(--line);border-radius:16px;box-shadow:var(--shadow);padding:22px;}
.dial-card .cap{font-family:var(--mono);font-size:.72rem;color:var(--ink-soft);margin-bottom:10px;}
.dial-title{font-family:var(--mono);font-size:.95rem;background:var(--signal-soft);color:var(--signal);border-radius:8px;padding:10px 12px;margin-bottom:8px;}
.dial-meter{height:6px;background:var(--line);border-radius:4px;overflow:hidden;margin-top:4px;}
.dial-meter span{display:block;height:100%;background:var(--good);}

/* ---------- Tool panel ---------- */
.tool-section{padding:50px 0;}
.tool-panel{background:var(--surface);border:1px solid var(--line);border-radius:16px;box-shadow:var(--shadow);padding:28px;}
@media (max-width:640px){.tool-panel{padding:18px;}}
.tool-head{display:flex;justify-content:space-between;align-items:flex-start;gap:16px;flex-wrap:wrap;margin-bottom:18px;}
.tool-head h2{margin:0;font-size:1.4rem;}
.tool-head p{margin:4px 0 0;color:var(--ink-soft);font-size:.92rem;}

.field-label{display:flex;justify-content:space-between;font-size:.82rem;font-weight:600;margin:14px 0 6px;}
.field-label .hint{font-weight:400;color:var(--ink-soft);font-family:var(--mono);font-size:.74rem;}
.url-row{display:flex;gap:8px;margin-bottom:8px;}
.url-row input{
  flex:1;min-width:0;padding:12px 14px;border-radius:8px;border:1px solid var(--line);
  background:var(--bg);color:var(--ink);font-size:.92rem;font-family:var(--mono);
}
.url-row input:focus{outline:2px solid var(--signal);outline-offset:1px;}
.url-row input.invalid{border-color:var(--bad);}
.url-row .remove-url{background:none;border:1px solid var(--line);border-radius:8px;width:40px;cursor:pointer;color:var(--ink-soft);}
.url-row .remove-url:hover{color:var(--bad);border-color:var(--bad);}
.field-error{font-size:.76rem;color:var(--bad);margin-top:-2px;margin-bottom:6px;display:none;}
.field-error.show{display:block;}

.add-url-btn{
  background:none;border:1px dashed var(--line);border-radius:8px;padding:9px 14px;
  font-size:.84rem;cursor:pointer;color:var(--ink-soft);font-weight:600;
}
.add-url-btn:hover{color:var(--signal);border-color:var(--signal);}
.add-url-btn:disabled{opacity:.4;cursor:not-allowed;}

.tool-row-2{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:16px;}
@media (max-width:640px){.tool-row-2{grid-template-columns:1fr;}}
.tool-row-2 select{
  width:100%;padding:12px 14px;border-radius:8px;border:1px solid var(--line);
  background:var(--bg);color:var(--ink);font-size:.9rem;
}

.submit-btn{
  margin-top:20px;width:100%;padding:15px;border:0;border-radius:10px;
  background:var(--ink);color:var(--bg);font-weight:700;font-size:1rem;cursor:pointer;
  display:flex;align-items:center;justify-content:center;gap:10px;
}
.submit-btn:hover:not(:disabled){background:var(--signal);}
.submit-btn:disabled{opacity:.6;cursor:not-allowed;}
.spinner{width:16px;height:16px;border-radius:50%;border:2px solid rgba(255,255,255,.35);border-top-color:#fff;animation:spin .7s linear infinite;display:none;}
.submit-btn.loading .spinner{display:inline-block;}
@keyframes spin{to{transform:rotate(360deg);}}

.form-note{font-size:.76rem;color:var(--ink-soft);margin-top:10px;font-family:var(--mono);}

/* ---------- Results ---------- */
#results{padding:10px 0 60px;scroll-margin-top:80px;}
.results-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:16px;flex-wrap:wrap;gap:10px;}
.results-head h2{margin:0;font-size:1.3rem;}
.result-actions{display:flex;gap:8px;}
.ghost-btn{
  background:none;border:1px solid var(--line);border-radius:8px;padding:9px 14px;
  font-size:.82rem;font-weight:600;cursor:pointer;color:var(--ink);text-decoration:none;display:inline-flex;align-items:center;gap:6px;
}
.ghost-btn:hover{border-color:var(--signal);color:var(--signal);}

.result-card{background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:20px;margin-bottom:14px;box-shadow:var(--shadow);}
.result-card .rc-url{font-family:var(--mono);font-size:.78rem;color:var(--ink-soft);word-break:break-all;margin-bottom:12px;}
.result-card.error{border-color:var(--bad);}
.result-card .error-msg{color:var(--bad);font-size:.88rem;}
.title-option{
  display:flex;justify-content:space-between;align-items:center;gap:12px;
  padding:12px 14px;border:1px solid var(--line);border-radius:10px;margin-bottom:8px;
}
.title-option:hover{background:var(--signal-soft);}
.title-option .title-text{font-family:var(--mono);font-size:.94rem;}
.title-option .char-count{font-size:.72rem;color:var(--ink-soft);white-space:nowrap;}
.title-option .copy-single{background:none;border:0;cursor:pointer;color:var(--ink-soft);font-size:.9rem;}
.title-option .copy-single:hover{color:var(--signal);}
.toast{
  position:fixed;bottom:24px;left:50%;transform:translateX(-50%) translateY(20px);
  background:var(--ink);color:var(--bg);padding:10px 18px;border-radius:8px;font-size:.86rem;
  opacity:0;pointer-events:none;transition:.25s ease;z-index:300;
}
.toast.show{opacity:1;transform:translateX(-50%) translateY(0);}

/* ---------- Sections shared ---------- */
.section{padding:56px 0;}
.section-head{text-align:center;max-width:640px;margin:0 auto 34px;}
.section-head h2{font-size:1.7rem;}
.section-head p{color:var(--ink-soft);}

.feature-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;}
@media (max-width:860px){.feature-grid{grid-template-columns:1fr 1fr;}}
@media (max-width:560px){.feature-grid{grid-template-columns:1fr;}}
.feature-card{background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:22px;}
.feature-card .icon{font-size:1.5rem;margin-bottom:10px;}
.feature-card h3{font-size:1.02rem;margin-bottom:6px;}
.feature-card p{color:var(--ink-soft);font-size:.88rem;margin:0;}

.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;counter-reset:step;}
@media (max-width:760px){.steps{grid-template-columns:1fr;}}
.step{position:relative;padding-left:6px;}
.step .num{font-family:var(--mono);color:var(--signal);font-size:.85rem;margin-bottom:8px;}
.step h3{font-size:1.02rem;margin-bottom:6px;}
.step p{color:var(--ink-soft);font-size:.88rem;}

.article-block{max-width:820px;margin:0 auto;color:var(--ink-soft);font-size:.98rem;}
.article-block h2{color:var(--ink);font-size:1.5rem;}
.article-block p{margin-bottom:1em;}

.faq-item{border-bottom:1px solid var(--line);}
.faq-q{width:100%;text-align:left;background:none;border:0;padding:16px 4px;font-weight:600;font-size:.98rem;cursor:pointer;display:flex;justify-content:space-between;color:var(--ink);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .25s ease;color:var(--ink-soft);font-size:.9rem;}
.faq-item.open .faq-a{max-height:220px;}
.faq-a-inner{padding:0 4px 16px;}
.faq-q .chev{transition:transform .2s ease;}
.faq-item.open .faq-q .chev{transform:rotate(45deg);}

.cta-section{background:var(--ink);color:var(--bg);border-radius:20px;padding:46px 30px;text-align:center;margin:0 20px;}
.cta-section h2{font-size:1.7rem;color:var(--bg);}
.cta-section p{color:#cfcabe;max-width:520px;margin:0 auto 22px;}
.cta-btns{display:flex;gap:12px;justify-content:center;flex-wrap:wrap;}
.cta-btns a{padding:12px 20px;border-radius:9px;text-decoration:none;font-weight:700;font-size:.9rem;}
.cta-btns .primary{background:var(--signal);color:#fff;}
.cta-btns .secondary{background:transparent;border:1px solid #494a41;color:var(--bg);}

.reflinks{padding:36px 0;border-top:1px solid var(--line);}
.reflinks h2{font-size:1rem;margin-bottom:14px;}
.reflinks .grid{display:grid;grid-template-columns:repeat(3,1fr);gap:6px 20px;}
@media (max-width:760px){.reflinks .grid{grid-template-columns:1fr 1fr;}}
@media (max-width:480px){.reflinks .grid{grid-template-columns:1fr;}}
.reflinks a{font-size:.82rem;color:var(--ink-soft);text-decoration:none;padding:4px 0;display:block;}
.reflinks a:hover{color:var(--signal);}

/* ---------- Footer ---------- */
footer{background:var(--surface);border-top:1px solid var(--line);padding:44px 0 20px;margin-top:20px;}
.footer-grid{display:grid;grid-template-columns:1.4fr repeat(4,1fr);gap:28px;}
@media (max-width:900px){.footer-grid{grid-template-columns:1fr 1fr;}}
@media (max-width:520px){.footer-grid{grid-template-columns:1fr;}}
.footer-col h4{font-size:.8rem;text-transform:uppercase;letter-spacing:.06em;color:var(--ink-soft);margin-bottom:12px;}
.footer-col a{display:block;font-size:.84rem;text-decoration:none;color:var(--ink);opacity:.85;margin-bottom:8px;}
.footer-col a:hover{color:var(--signal);opacity:1;}
.footer-brand p{color:var(--ink-soft);font-size:.86rem;max-width:34ch;}
.footer-bottom{margin-top:34px;padding-top:18px;border-top:1px solid var(--line);display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;font-size:.78rem;color:var(--ink-soft);}
.footer-bottom a{text-decoration:none;color:var(--ink-soft);}
.footer-bottom a:hover{color:var(--signal);}
.disclaimer{font-size:.74rem;color:var(--ink-soft);opacity:.8;max-width:900px;margin:14px auto 0;padding:0 20px;text-align:center;}

/* ---------- Cookie banner ---------- */
.cookie-banner{
  position:fixed;left:16px;right:16px;bottom:16px;max-width:560px;margin:0 auto;
  background:var(--ink);color:var(--bg);border-radius:14px;padding:18px 20px;
  box-shadow:var(--shadow);display:none;z-index:400;gap:14px;flex-wrap:wrap;align-items:center;
}
.cookie-banner.show{display:flex;}
.cookie-banner p{margin:0;font-size:.82rem;flex:1;min-width:220px;color:#e7e4da;}
.cookie-banner a{color:var(--signal);text-decoration:underline;}
.cookie-btns{display:flex;gap:8px;}
.cookie-btns button{border:0;border-radius:7px;padding:9px 14px;font-size:.8rem;font-weight:700;cursor:pointer;}
.cookie-btns .accept{background:var(--signal);color:#fff;}
.cookie-btns .dismiss{background:transparent;border:1px solid #494a41;color:var(--bg);}

.visually-hidden{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);}