/* ===================== DESIGN TOKENS ===================== */
:root{
  --primary:#2A5EE8;
  --primary-dark:#1B3FA6;
  --teal:#17C3B2;
  --accent:#FF7A3D;
  --violet:#8B5CF6;
  --danger:#E5484D;
  --success:#22B573;

  --bg:#F5F7FC;
  --surface:#FFFFFF;
  --text:#151B2B;
  --text-muted:#5B6478;
  --border:#E3E8F2;

  --grad: linear-gradient(120deg, var(--primary), var(--teal));

  --radius-sm:10px;
  --radius-md:16px;
  --radius-lg:26px;

  --shadow-sm: 0 2px 8px rgba(21,27,43,.06);
  --shadow-md: 0 12px 30px rgba(21,27,43,.10);
  --shadow-lg: 0 24px 60px rgba(21,27,43,.16);

  --font-display:'Outfit', sans-serif;
  --font-body:'Inter', sans-serif;
}

*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-body);
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
button{font-family:inherit;}

.wrap{
  max-width:1180px;
  margin:0 auto;
  padding:0 24px;
}

h1,h2,h3,h4{
  font-family:var(--font-display);
  font-weight:700;
  line-height:1.15;
  margin:0 0 .5em;
}

.eyebrow{
  font-family:var(--font-display);
  font-weight:600;
  font-size:.85rem;
  letter-spacing:.04em;
  text-transform:uppercase;
  color:var(--primary);
  margin:0 0 .8em;
}
.eyebrow-dark{color:var(--primary-dark);}
.eyebrow-light{color:#D7E2FF;}

.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:14px 28px;
  border-radius:999px;
  font-weight:600;
  font-size:1rem;
  font-family:var(--font-display);
  border:2px solid transparent;
  cursor:pointer;
  transition:transform .15s ease, box-shadow .15s ease, background .15s ease;
}
.btn:hover{transform:translateY(-2px);}
.btn-primary{
  background:var(--grad);
  color:#fff;
  box-shadow:var(--shadow-md);
}
.btn-primary:hover{box-shadow:var(--shadow-lg);}
.btn-ghost{
  background:transparent;
  border-color:var(--border);
  color:var(--text);
}
.btn-ghost:hover{border-color:var(--primary);color:var(--primary);}
.btn-light{
  background:#fff;
  color:var(--primary-dark);
  box-shadow:var(--shadow-md);
  white-space:nowrap;
}

/* ===================== HEADER ===================== */
.site-header{
  position:sticky;top:0;z-index:50;
  background:rgba(255,255,255,.85);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--border);
}
.header-inner{
  display:flex;align-items:center;justify-content:space-between;
  height:76px;
}
.brand{display:flex;align-items:center;gap:10px;}
.brand-text{
  font-family:var(--font-display);
  font-weight:800;
  font-size:1.25rem;
  display:flex;
  flex-direction:column;
  line-height:1.05;
}
.brand-sub{
  font-family:var(--font-body);
  font-weight:500;
  font-size:.65rem;
  color:var(--text-muted);
  letter-spacing:.03em;
  text-transform:uppercase;
}
.main-nav{display:flex;align-items:center;gap:30px;font-weight:600;font-size:.95rem;}
.main-nav a{color:var(--text-muted);transition:color .15s;}
.main-nav a:hover{color:var(--primary);}
.main-nav a:last-child{
  color:#fff;background:var(--grad);padding:10px 20px;border-radius:999px;
}
.main-nav a:last-child:hover{color:#fff;}
.nav-toggle{display:none;background:none;border:none;flex-direction:column;gap:5px;cursor:pointer;padding:6px;}
.nav-toggle span{width:24px;height:2px;background:var(--text);border-radius:2px;}

/* ===================== HERO ===================== */
.hero{
  position:relative;
  overflow:hidden;
  padding:96px 0 80px;
}
.hero-blobs{position:absolute;inset:0;z-index:0;}
.blob{position:absolute;border-radius:50%;filter:blur(60px);opacity:.35;}
.blob-a{width:420px;height:420px;background:var(--primary);top:-160px;right:-100px;}
.blob-b{width:320px;height:320px;background:var(--teal);bottom:-140px;left:-80px;}
.blob-c{width:220px;height:220px;background:var(--accent);top:120px;left:38%;opacity:.18;}
.hero-inner{position:relative;z-index:1;max-width:760px;text-align:left;}
.hero h1{font-size:clamp(2.1rem,4.6vw,3.4rem);letter-spacing:-.01em;}
.hero h1 .hl{
  background:var(--grad);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-sub{font-size:1.15rem;color:var(--text-muted);max-width:600px;margin:0 0 2em;}
.hero-cta{display:flex;gap:16px;flex-wrap:wrap;margin-bottom:2.4em;}
.hero-trust{
  display:flex;gap:28px;flex-wrap:wrap;list-style:none;padding:0;margin:0;
  font-size:.9rem;font-weight:600;color:var(--text-muted);
}
.hero-trust li{display:flex;align-items:center;gap:6px;}
.hero-trust svg{color:var(--success);flex-shrink:0;}

/* ===================== TOOLS GRID ===================== */
.tools-section{padding:40px 0 80px;}
.section-head{max-width:640px;margin-bottom:36px;}
.section-sub{color:var(--text-muted);font-size:1.05rem;}
.group-title{
  font-size:1.1rem;margin:44px 0 18px;color:var(--text);
  display:flex;align-items:center;gap:12px;
}
.group-title::after{content:"";flex:1;height:1px;background:var(--border);}

.tool-grid{
  display:grid;
  grid-template-columns:repeat(auto-fill,minmax(230px,1fr));
  gap:18px;
}
.tool-card{
  --tc:#2A5EE8;
  background:var(--surface);
  border:1px solid var(--border);
  border-radius:var(--radius-md);
  padding:24px 22px;
  text-align:left;
  cursor:pointer;
  display:flex;flex-direction:column;gap:6px;
  transition:transform .15s ease, box-shadow .15s ease, border-color .15s ease;
  position:relative;
  overflow:hidden;
}
.tool-card::before{
  content:"";position:absolute;inset:0 0 auto 0;height:4px;background:var(--tc);
  transform:scaleX(0);transform-origin:left;transition:transform .2s ease;
}
.tool-card:hover{
  transform:translateY(-4px);
  box-shadow:var(--shadow-md);
  border-color:transparent;
}
.tool-card:hover::before{transform:scaleX(1);}
.tool-icon{
  width:48px;height:48px;
  display:flex;align-items:center;justify-content:center;
  font-size:1.5rem;
  border-radius:var(--radius-sm);
  background:color-mix(in srgb, var(--tc) 14%, white);
  margin-bottom:6px;
}
.tool-name{font-family:var(--font-display);font-weight:700;font-size:1.05rem;}
.tool-desc{color:var(--text-muted);font-size:.88rem;line-height:1.4;}

/* ===================== WORKSPACE ===================== */
.workspace{
  background:var(--surface);
  border-top:1px solid var(--border);
  border-bottom:1px solid var(--border);
  padding:48px 0 72px;
}
.workspace-close{
  background:none;border:none;color:var(--primary);font-weight:700;
  font-family:var(--font-display);cursor:pointer;font-size:.95rem;
  padding:8px 0 24px;
}
.workspace-close:hover{text-decoration:underline;}
.workspace-body{max-width:760px;}

.tool-header{display:flex;align-items:center;gap:16px;margin-bottom:26px;}
.tool-header .tool-icon{width:56px;height:56px;font-size:1.8rem;}
.tool-header h2{margin:0;font-size:1.6rem;}
.tool-header p{margin:2px 0 0;color:var(--text-muted);}

.dropzone{
  border:2px dashed var(--border);
  border-radius:var(--radius-md);
  padding:44px 24px;
  text-align:center;
  cursor:pointer;
  transition:border-color .15s, background .15s;
  background:var(--bg);
}
.dropzone.dragover{border-color:var(--primary);background:#EEF3FF;}
.dropzone strong{display:block;font-family:var(--font-display);font-size:1.1rem;margin-bottom:6px;}
.dropzone p{color:var(--text-muted);margin:0;font-size:.9rem;}
.dropzone input{display:none;}

.file-list{list-style:none;padding:0;margin:20px 0 0;display:flex;flex-direction:column;gap:10px;}
.file-item{
  display:flex;align-items:center;gap:12px;
  background:var(--bg);border:1px solid var(--border);border-radius:var(--radius-sm);
  padding:12px 14px;font-size:.92rem;
}
.file-item .fi-name{flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-weight:600;}
.file-item .fi-size{color:var(--text-muted);font-size:.82rem;}
.file-item button{
  background:none;border:none;color:var(--text-muted);cursor:pointer;font-size:1.1rem;line-height:1;
  padding:4px;
}
.file-item button:hover{color:var(--danger);}
.file-item.reorder{cursor:grab;}

.options-panel{
  margin-top:22px;display:flex;flex-direction:column;gap:16px;
}
.opt-row{display:flex;flex-direction:column;gap:6px;}
.opt-row label{font-weight:600;font-size:.9rem;}
.opt-row .opt-hint{font-weight:400;color:var(--text-muted);font-size:.82rem;}
.opt-row input[type=text],
.opt-row input[type=number],
.opt-row select{
  padding:11px 14px;border:1px solid var(--border);border-radius:var(--radius-sm);
  font-family:inherit;font-size:.95rem;background:#fff;
}
.radio-group{display:flex;gap:10px;flex-wrap:wrap;}
.radio-pill{
  border:1px solid var(--border);border-radius:999px;padding:9px 18px;
  cursor:pointer;font-size:.88rem;font-weight:600;color:var(--text-muted);
  transition:all .12s;
}
.radio-pill input{display:none;}
.radio-pill.active{border-color:var(--primary);color:var(--primary);background:#EEF3FF;}
input[type=range]{width:100%;accent-color:var(--primary);}
.range-row{display:flex;justify-content:space-between;font-size:.85rem;color:var(--text-muted);font-weight:600;}

.action-row{margin-top:26px;display:flex;align-items:center;gap:16px;flex-wrap:wrap;}
.progress-wrap{flex:1;min-width:160px;height:8px;background:var(--border);border-radius:999px;overflow:hidden;display:none;}
.progress-wrap.active{display:block;}
.progress-bar{height:100%;width:0%;background:var(--grad);transition:width .2s ease;}
.status-line{
  margin:12px 0 0;font-size:.88rem;color:var(--text-muted);font-weight:600;
  min-height:1.2em;
}

.result-card{
  margin-top:26px;padding:22px;border-radius:var(--radius-md);
  background:linear-gradient(135deg,#EEF3FF,#E6FBF9);
  border:1px solid var(--border);
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
}
.result-card .rc-text strong{display:block;font-family:var(--font-display);font-size:1.05rem;}
.result-card .rc-text span{color:var(--text-muted);font-size:.88rem;}

.disabled{opacity:.5;pointer-events:none;}

/* ===================== TRUST ===================== */
.trust-section{padding:80px 0;}
.trust-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px;}
.trust-card{
  background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-md);
  padding:30px;
}
.trust-icon{font-size:1.8rem;display:block;margin-bottom:14px;}
.trust-card h3{font-size:1.1rem;}
.trust-card p{color:var(--text-muted);font-size:.92rem;line-height:1.55;margin:0;}

/* ===================== CTA ===================== */
.cta-section{
  background:linear-gradient(120deg,var(--primary-dark),var(--primary) 60%,var(--teal));
  color:#fff;padding:64px 0;
}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:30px;flex-wrap:wrap;}
.cta-inner h2{color:#fff;font-size:1.7rem;max-width:520px;margin:0;}
.cta-sub{color:#D7E2FF;margin:.6em 0 0;}

/* ===================== FOOTER ===================== */
.site-footer{background:#101528;color:#B7C0D8;padding:64px 0 0;}
.footer-grid{
  display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr 1fr;gap:36px;
  padding-bottom:40px;border-bottom:1px solid rgba(255,255,255,.08);
}
.footer-brand{color:#fff;}
.footer-desc{font-size:.88rem;line-height:1.6;margin-top:14px;max-width:280px;}
.site-footer h4{color:#fff;font-size:.9rem;margin:0 0 14px;}
.site-footer ul{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:10px;font-size:.88rem;}
.site-footer a:hover{color:#fff;}
.footer-bottom{padding:22px 0;font-size:.82rem;color:#6B7593;}

/* ===================== TOAST ===================== */
.toast{
  position:fixed;bottom:24px;left:50%;transform:translateX(-50%) translateY(20px);
  background:#151B2B;color:#fff;padding:14px 22px;border-radius:999px;
  font-size:.9rem;font-weight:600;box-shadow:var(--shadow-lg);
  opacity:0;pointer-events:none;transition:all .25s ease;z-index:100;
}
.toast.show{opacity:1;transform:translateX(-50%) translateY(0);}
.toast.error{background:var(--danger);}

/* ===================== RESPONSIVE ===================== */
@media (max-width:900px){
  .trust-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr 1fr 1fr;}
}
@media (max-width:760px){
  .main-nav{
    position:absolute;top:76px;left:0;right:0;
    background:#fff;border-bottom:1px solid var(--border);
    flex-direction:column;align-items:flex-start;gap:0;
    padding:8px 24px 20px;
    display:none;
  }
  .main-nav.open{display:flex;}
  .main-nav a{padding:12px 0;width:100%;}
  .main-nav a:last-child{margin-top:8px;text-align:center;}
  .nav-toggle{display:flex;}
  .hero{padding:56px 0 60px;}
  .cta-inner{flex-direction:column;align-items:flex-start;}
  .footer-grid{grid-template-columns:1fr;}
}