/* ==========================================================================
   Fesaer — shared stylesheet
   ========================================================================== */

:root{
  --ink:#0D1117;
  --panel:#141B2E;
  --panel-2:#1B2338;
  --line:#26304A;
  --violet:#7C5CFC;
  --violet-soft:rgba(124,92,252,.15);
  --cyan:#34D3C9;
  --cyan-soft:rgba(52,211,201,.15);
  --text:#E8ECF6;
  --muted:#8C94AC;
  --danger:#FF6B6B;
  --good:#34D3C9;
  --radius-sm:10px;
  --radius-md:16px;
  --radius-lg:24px;
  --shadow: 0 20px 60px -25px rgba(0,0,0,.6);
  --font-head:'Sora', system-ui, sans-serif;
  --font-body:'Inter', system-ui, sans-serif;
}

*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--ink);
  color:var(--text);
  font-family:var(--font-body);
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
}
img,svg{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
h1,h2,h3,h4{font-family:var(--font-head);margin:0 0 .4em;font-weight:600;letter-spacing:-.01em;}
p{margin:0 0 1em;color:var(--muted);}
.container{max-width:1180px;margin:0 auto;padding:0 24px;}

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

/* Background texture */
body::before{
  content:"";
  position:fixed;inset:0;
  background:
    radial-gradient(600px 400px at 85% -5%, var(--violet-soft), transparent 60%),
    radial-gradient(500px 350px at -5% 15%, var(--cyan-soft), transparent 60%);
  pointer-events:none;
  z-index:0;
}

/* ---------- Nav ---------- */
.nav{
  position:sticky;top:0;z-index:50;
  background:rgba(13,17,23,.82);
  backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}
.nav-inner{
  max-width:1180px;margin:0 auto;padding:16px 24px;
  display:flex;align-items:center;gap:28px;
}
.brand{display:flex;align-items:center;gap:10px;font-family:var(--font-head);font-weight:700;font-size:1.15rem;color:var(--text);white-space:nowrap;}
.brand-mark{
  width:30px;height:30px;border-radius:9px;
  background:linear-gradient(135deg,var(--violet),var(--cyan));
  display:flex;align-items:center;justify-content:center;
  font-size:.85rem;font-weight:800;color:#0D1117;
}
.nav-links{display:flex;gap:22px;flex:1;flex-wrap:wrap;}
.nav-links a{color:var(--muted);font-size:.92rem;font-weight:500;transition:color .15s;}
.nav-links a:hover,.nav-links a.active{color:var(--text);}
.nav-cta{
  background:var(--panel-2);border:1px solid var(--line);
  padding:9px 16px;border-radius:999px;font-size:.85rem;font-weight:600;color:var(--text);
  white-space:nowrap;
}
.nav-toggle{display:none;background:none;border:1px solid var(--line);border-radius:8px;color:var(--text);padding:8px 10px;font-size:1.1rem;}

@media (max-width:820px){
  .nav-links{
    display:none;position:absolute;top:100%;left:0;right:0;
    background:var(--panel);border-bottom:1px solid var(--line);
    flex-direction:column;padding:16px 24px;gap:14px;
  }
  .nav-links.open{display:flex;}
  .nav-toggle{display:block;margin-left:auto;}
  .nav-cta{display:none;}
}

/* ---------- Hero ---------- */
.hero{position:relative;z-index:1;padding:72px 0 56px;}
.hero-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:56px;align-items:center;}
.eyebrow-tag{
  display:inline-flex;align-items:center;gap:8px;
  background:var(--panel-2);border:1px solid var(--line);
  padding:6px 14px;border-radius:999px;font-size:.8rem;color:var(--cyan);margin-bottom:18px;
}
.eyebrow-tag .dot{width:6px;height:6px;border-radius:50%;background:var(--cyan);}
.hero h1{font-size:clamp(2.2rem,4.5vw,3.4rem);line-height:1.08;color:var(--text);max-width:14ch;}
.hero .lede{font-size:1.08rem;max-width:46ch;color:var(--muted);}
.hero-actions{display:flex;gap:14px;margin-top:26px;flex-wrap:wrap;}

.btn{
  display:inline-flex;align-items:center;gap:8px;justify-content:center;
  padding:13px 22px;border-radius:12px;font-weight:600;font-size:.94rem;
  border:1px solid transparent;cursor:pointer;transition:transform .15s, box-shadow .15s;
}
.btn-primary{background:linear-gradient(135deg,var(--violet),#5b3ff0);color:#fff;box-shadow:0 12px 30px -10px rgba(124,92,252,.55);}
.btn-primary:hover{transform:translateY(-2px);}
.btn-ghost{background:transparent;border-color:var(--line);color:var(--text);}
.btn-ghost:hover{border-color:var(--cyan);color:var(--cyan);}

/* Hero live widget */
.hero-widget{
  background:linear-gradient(180deg,var(--panel),var(--panel-2));
  border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:26px;box-shadow:var(--shadow);
  animation:rise .6s ease both;
}
@keyframes rise{from{opacity:0;transform:translateY(14px)} to{opacity:1;transform:none}}
.hero-widget h3{font-size:1rem;color:var(--text);display:flex;justify-content:space-between;align-items:center;}
.hero-widget h3 span{font-size:.72rem;color:var(--good);font-weight:600;background:var(--cyan-soft);padding:4px 9px;border-radius:999px;}
.widget-row{display:flex;gap:10px;margin:14px 0;}
.widget-row input, .widget-row select{
  flex:1;background:var(--ink);border:1px solid var(--line);color:var(--text);
  padding:12px 14px;border-radius:10px;font-size:.95rem;font-family:var(--font-body);
}
.widget-row input:focus, .widget-row select:focus{outline:2px solid var(--violet);outline-offset:1px;}
.widget-result{
  background:var(--ink);border:1px dashed var(--line);border-radius:12px;
  padding:16px;margin-top:6px;font-size:1.4rem;font-weight:700;color:var(--cyan);
  font-family:var(--font-head);
}
.widget-result small{display:block;font-size:.7rem;color:var(--muted);font-weight:500;margin-top:4px;}

@media (max-width:900px){.hero-grid{grid-template-columns:1fr;} }

/* ---------- Category sections ---------- */
.section{position:relative;z-index:1;padding:44px 0;}
.section-head{display:flex;align-items:baseline;justify-content:space-between;margin-bottom:20px;gap:16px;flex-wrap:wrap;}
.section-head h2{font-size:1.5rem;}
.section-head p{margin:0;font-size:.92rem;}

.tool-row{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:14px;}
.tool-card{
  background:var(--panel);border:1px solid var(--line);border-radius:var(--radius-md);
  padding:20px;display:flex;flex-direction:column;gap:10px;
  transition:border-color .15s, transform .15s;
}
.tool-card:hover{border-color:var(--violet);transform:translateY(-3px);}
.tool-icon{
  width:38px;height:38px;border-radius:10px;
  display:flex;align-items:center;justify-content:center;font-size:1.1rem;
  background:var(--violet-soft);color:var(--violet);
}
.tool-card h4{font-size:1.02rem;margin:0;}
.tool-card p{font-size:.85rem;margin:0;}
.tool-card .go{margin-top:auto;font-size:.82rem;color:var(--cyan);font-weight:600;}

.featured-tile{
  grid-column:span 2;
  background:linear-gradient(135deg,var(--panel-2),var(--panel));
  border:1px solid var(--violet);
}
@media (max-width:640px){.featured-tile{grid-column:span 1;}}

/* ---------- Value props ---------- */
.props{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.prop-card{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius-md);padding:22px;}
.prop-card h4{font-size:1rem;}
.prop-card p{font-size:.88rem;margin:0;}
@media (max-width:760px){.props{grid-template-columns:1fr;}}

/* ---------- Tool page shell ---------- */
.tool-page{padding:40px 0 70px;position:relative;z-index:1;}
.breadcrumb{font-size:.82rem;color:var(--muted);margin-bottom:18px;}
.breadcrumb a{color:var(--cyan);}
.tool-header h1{font-size:clamp(1.6rem,3vw,2.2rem);}
.tool-layout{display:grid;grid-template-columns:1.15fr .85fr;gap:32px;margin-top:26px;align-items:start;}
@media (max-width:900px){.tool-layout{grid-template-columns:1fr;}}

.panel{
  background:var(--panel);border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:26px;box-shadow:var(--shadow);
}
.field{margin-bottom:16px;}
.field label{display:block;font-size:.85rem;color:var(--muted);margin-bottom:7px;font-weight:500;}
.field input, .field select, .field textarea{
  width:100%;background:var(--ink);border:1px solid var(--line);color:var(--text);
  padding:12px 14px;border-radius:10px;font-size:.98rem;font-family:var(--font-body);
}
.field textarea{resize:vertical;min-height:120px;}
.field input:focus,.field select:focus,.field textarea:focus{outline:2px solid var(--violet);outline-offset:1px;}
.field-row{display:grid;grid-template-columns:1fr 1fr;gap:14px;}
@media (max-width:520px){.field-row{grid-template-columns:1fr;}}

.result-box{
  background:var(--ink);border:1px dashed var(--line);border-radius:14px;
  padding:20px;margin-top:6px;
}
.result-box .big{font-family:var(--font-head);font-size:1.9rem;font-weight:700;color:var(--cyan);}
.result-box .label{font-size:.8rem;color:var(--muted);margin-bottom:4px;}
.copy-btn{margin-top:12px;}

.aside h3{font-size:1rem;}
.aside p, .aside li{font-size:.9rem;color:var(--muted);}
.aside ul{padding-left:18px;margin:0 0 16px;}
.related{display:flex;flex-direction:column;gap:10px;margin-top:14px;}
.related a{
  background:var(--panel-2);border:1px solid var(--line);border-radius:10px;
  padding:10px 14px;font-size:.86rem;color:var(--text);
}
.related a:hover{border-color:var(--cyan);}

.ad-slot{
  border:1px dashed var(--line);border-radius:14px;
  padding:18px;text-align:center;color:var(--muted);font-size:.78rem;
  background:var(--panel-2);margin:28px 0;
}

.content-block{margin-top:36px;}
.content-block h2{font-size:1.25rem;margin-top:26px;}
.content-block p{font-size:.95rem;}
.faq-item{border-bottom:1px solid var(--line);padding:16px 0;}
.faq-item h4{font-size:.95rem;margin:0 0 6px;}
.faq-item p{margin:0;font-size:.9rem;}

/* ---------- Static content pages ---------- */
.static-page{padding:50px 0 80px;position:relative;z-index:1;}
.static-page .container{max-width:820px;}
.static-page h1{font-size:2rem;}
.static-page h2{font-size:1.25rem;margin-top:32px;}
.static-page p, .static-page li{color:var(--muted);font-size:.97rem;}
.static-page ul{padding-left:20px;}
.updated{font-size:.82rem;color:var(--muted);margin-bottom:30px;}

/* contact form */
.contact-form .field{margin-bottom:16px;}
.form-note{font-size:.82rem;color:var(--muted);margin-top:10px;}

/* ---------- Footer ---------- */
.site-footer{
  position:relative;z-index:1;border-top:1px solid var(--line);
  padding:48px 0 26px;margin-top:40px;background:var(--panel);
}
.footer-grid{display:grid;grid-template-columns:1.4fr repeat(4,1fr);gap:28px;}
@media (max-width:900px){.footer-grid{grid-template-columns:repeat(2,1fr);}}
@media (max-width:520px){.footer-grid{grid-template-columns:1fr;}}
.footer-grid h5{font-size:.82rem;color:var(--text);margin:0 0 12px;text-transform:none;}
.footer-grid ul{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:9px;}
.footer-grid a{font-size:.86rem;color:var(--muted);}
.footer-grid a:hover{color:var(--cyan);}
.footer-bottom{
  margin-top:36px;padding-top:20px;border-top:1px solid var(--line);
  display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;
  font-size:.8rem;color:var(--muted);
}

/* 404 */
.error-page{min-height:70vh;display:flex;align-items:center;justify-content:center;text-align:center;padding:40px 24px;position:relative;z-index:1;}
.error-page .code{font-family:var(--font-head);font-size:5rem;font-weight:700;background:linear-gradient(135deg,var(--violet),var(--cyan));-webkit-background-clip:text;background-clip:text;color:transparent;}

/* utility */
.toast{
  position:fixed;bottom:24px;left:50%;transform:translateX(-50%) translateY(20px);
  background:var(--panel-2);border:1px solid var(--cyan);color:var(--text);
  padding:12px 20px;border-radius:12px;font-size:.88rem;
  opacity:0;pointer-events:none;transition:opacity .2s, transform .2s;z-index:100;
}
.toast.show{opacity:1;transform:translateX(-50%) translateY(0);}