:root{
  --navy-950:#070b16;
  --navy-900:#0b1120;
  --navy-800:#111a2e;
  --navy-700:#182541;
  --navy-600:#22335a;
  --border:#22314f;
  --text-0:#f4f7fc;
  --text-1:#c4cee2;
  --text-2:#8a97b7;
  --accent:#5b8cff;
  --accent-2:#7ee6c0;
  --accent-grad:linear-gradient(135deg,#5b8cff 0%,#7c6cff 55%,#7ee6c0 120%);
  --danger:#ff6b6b;
  --success:#33d69f;
  --radius:14px;
  --shadow:0 20px 60px -20px rgba(0,0,0,.55);
  --font-head:'Outfit',sans-serif;
  --font-body:'Inter',sans-serif;
}
[data-theme="light"]{
  --navy-950:#f6f8fc;
  --navy-900:#ffffff;
  --navy-800:#eef2fa;
  --navy-700:#e4e9f4;
  --navy-600:#d8dfee;
  --border:#dbe2f0;
  --text-0:#101827;
  --text-1:#374357;
  --text-2:#647089;
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--navy-950);
  color:var(--text-0);
  font-family:var(--font-body);
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
h1,h2,h3,h4{font-family:var(--font-head);margin:0 0 .5em;letter-spacing:-.01em;}
.container{max-width:1200px;margin:0 auto;padding:0 20px;}
.visually-hidden{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;}

/* Skip link */
.skip-link{position:absolute;left:-999px;top:0;background:var(--accent);color:#fff;padding:10px 16px;z-index:999;border-radius:0 0 8px 0;}
.skip-link:focus{left:0;}

/* Cookie banner */
.cookie-banner{
  position:fixed;bottom:0;left:0;right:0;z-index:800;
  background:var(--navy-800);border-top:1px solid var(--border);
  padding:14px 20px;display:flex;flex-wrap:wrap;gap:12px;align-items:center;justify-content:center;
  box-shadow:0 -10px 30px -10px rgba(0,0,0,.4);
  transform:translateY(120%);transition:transform .4s ease;
}
.cookie-banner.show{transform:translateY(0);}
.cookie-banner p{margin:0;font-size:.88rem;color:var(--text-1);max-width:640px;}
.cookie-banner a{color:var(--accent-2);text-decoration:underline;}
.cookie-actions{display:flex;gap:10px;}
.btn-cookie{padding:8px 16px;border-radius:8px;font-size:.85rem;border:1px solid var(--border);background:transparent;color:var(--text-0);cursor:pointer;}
.btn-cookie.accept{background:var(--accent-grad);border:none;color:#06101f;font-weight:600;}

/* Header / Nav */
header.site-header{
  position:sticky;top:0;z-index:700;
  background:rgba(7,11,22,.85);
  backdrop-filter:blur(14px);
  border-bottom:1px solid var(--border);
}
[data-theme="light"] header.site-header{background:rgba(255,255,255,.85);}
.nav-bar{display:flex;align-items:center;justify-content:space-between;padding:14px 0;gap:16px;}
.logo{display:flex;align-items:center;gap:10px;font-family:var(--font-head);font-weight:700;font-size:1.15rem;white-space:nowrap;}
.logo-mark{width:34px;height:34px;border-radius:9px;background:var(--accent-grad);display:flex;align-items:center;justify-content:center;font-size:1rem;color:#06101f;font-weight:800;flex-shrink:0;}
nav.main-nav{display:flex;align-items:center;gap:4px;flex:1;justify-content:center;}
.nav-item{position:relative;}
.nav-link{padding:10px 14px;border-radius:8px;font-size:.92rem;color:var(--text-1);display:flex;align-items:center;gap:5px;cursor:pointer;background:none;border:none;font-family:var(--font-body);}
.nav-link:hover{color:var(--text-0);background:var(--navy-800);}
.chev{width:9px;height:9px;border-right:1.6px solid currentColor;border-bottom:1.6px solid currentColor;transform:rotate(45deg);transition:transform .2s;margin-top:-3px;}
.nav-item.open .chev{transform:rotate(225deg);margin-top:3px;}
.mega-menu{
  position:absolute;top:100%;left:0;
  min-width:340px;max-width:420px;
  background:var(--navy-800);border:1px solid var(--border);
  border-radius:12px;padding:10px;box-shadow:var(--shadow);
  display:none;grid-template-columns:1fr 1fr;gap:2px;
  max-height:70vh;overflow-y:auto;
  margin-top:8px;
}
.nav-item.open .mega-menu{display:grid;}
.mega-menu a{padding:9px 10px;border-radius:8px;font-size:.83rem;color:var(--text-1);line-height:1.3;}
.mega-menu a:hover{background:var(--navy-700);color:var(--text-0);}
.nav-right{display:flex;align-items:center;gap:8px;}
.theme-toggle{
  width:40px;height:40px;border-radius:10px;border:1px solid var(--border);
  background:var(--navy-800);color:var(--text-0);cursor:pointer;
  display:flex;align-items:center;justify-content:center;font-size:1.05rem;flex-shrink:0;
}
.hamburger{display:none;width:40px;height:40px;border-radius:10px;border:1px solid var(--border);background:var(--navy-800);cursor:pointer;flex-shrink:0;position:relative;}
.hamburger span,.hamburger span::before,.hamburger span::after{
  content:'';position:absolute;left:9px;right:9px;height:2px;background:var(--text-0);border-radius:2px;transition:.25s;
}
.hamburger span{top:19px;}
.hamburger span::before{top:-7px;}
.hamburger span::after{top:7px;}
.hamburger.open span{background:transparent;}
.hamburger.open span::before{transform:rotate(45deg);top:0;}
.hamburger.open span::after{transform:rotate(-45deg);top:0;}

/* Mobile nav drawer */
.mobile-drawer{
  position:fixed;inset:0;z-index:900;background:var(--navy-950);
  transform:translateX(100%);transition:transform .3s ease;
  overflow-y:auto;padding:20px;display:none;
}
.mobile-drawer.open{transform:translateX(0);}
.mobile-drawer-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:20px;}
.mobile-acc{border-bottom:1px solid var(--border);}
.mobile-acc summary{padding:14px 4px;cursor:pointer;font-weight:600;list-style:none;display:flex;justify-content:space-between;}
.mobile-acc summary::-webkit-details-marker{display:none;}
.mobile-acc a{display:block;padding:8px 10px;color:var(--text-1);font-size:.9rem;}

/* Breadcrumb */
.breadcrumb{padding:14px 0;font-size:.82rem;color:var(--text-2);}
.breadcrumb a{color:var(--text-2);}
.breadcrumb a:hover{color:var(--accent-2);}
.breadcrumb .sep{margin:0 6px;opacity:.5;}
.breadcrumb .current{color:var(--text-1);}

/* Hero */
.hero{padding:40px 0 30px;position:relative;overflow:hidden;}
.hero::before{
  content:'';position:absolute;top:-200px;right:-150px;width:500px;height:500px;
  background:radial-gradient(circle,rgba(91,140,255,.25),transparent 70%);
  filter:blur(10px);pointer-events:none;
}
.hero-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:40px;align-items:center;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;padding:6px 14px;border-radius:999px;
  background:var(--navy-800);border:1px solid var(--border);font-size:.78rem;color:var(--accent-2);
  margin-bottom:16px;font-weight:600;
}
.dot-live{width:7px;height:7px;border-radius:50%;background:var(--success);box-shadow:0 0 0 3px rgba(51,214,159,.2);}
h1.hero-title{font-size:clamp(1.9rem,4vw,3rem);font-weight:700;line-height:1.1;}
h1.hero-title .accent{background:var(--accent-grad);-webkit-background-clip:text;background-clip:text;color:transparent;}
.hero-sub{color:var(--text-1);font-size:1.05rem;max-width:540px;margin-bottom:22px;}
.hero-stats{display:flex;gap:26px;flex-wrap:wrap;margin-top:24px;}
.stat b{display:block;font-family:var(--font-head);font-size:1.4rem;}
.stat span{font-size:.78rem;color:var(--text-2);}
.hero-visual{
  background:var(--navy-800);border:1px solid var(--border);border-radius:20px;
  padding:24px;position:relative;box-shadow:var(--shadow);
}
.hero-visual .sig-preview{
  height:180px;border:2px dashed var(--border);border-radius:12px;
  display:flex;align-items:center;justify-content:center;background:var(--navy-900);
}
.hero-visual svg{width:70%;}

/* Share bar */
.share-bar{padding:16px 0;border-top:1px solid var(--border);border-bottom:1px solid var(--border);}
.share-row{display:flex;align-items:center;gap:12px;flex-wrap:wrap;}
.share-row .lbl{font-size:.85rem;color:var(--text-2);font-weight:600;}
.share-icon{
  width:38px;height:38px;border-radius:10px;background:var(--navy-800);border:1px solid var(--border);
  display:flex;align-items:center;justify-content:center;font-size:.95rem;color:var(--text-1);cursor:pointer;transition:.2s;
}
.share-icon:hover{background:var(--navy-700);color:var(--text-0);transform:translateY(-2px);}

/* Tool section */
.tool-section{padding:44px 0;}
.tool-shell{
  background:var(--navy-800);border:1px solid var(--border);border-radius:20px;
  padding:26px;box-shadow:var(--shadow);
}
.tool-head{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:12px;margin-bottom:18px;}
.tool-head h2{font-size:1.3rem;margin:0;}
.step-pills{display:flex;gap:8px;flex-wrap:wrap;}
.pill{padding:6px 12px;border-radius:999px;background:var(--navy-700);border:1px solid var(--border);font-size:.78rem;color:var(--text-2);}
.pill.active{background:var(--accent-grad);color:#06101f;border:none;font-weight:600;}

.upload-zone{
  border:2px dashed var(--border);border-radius:16px;padding:44px 20px;text-align:center;
  cursor:pointer;transition:.2s;background:var(--navy-900);
}
.upload-zone:hover,.upload-zone.dragover{border-color:var(--accent);background:var(--navy-800);}
.upload-zone .icon{font-size:2.4rem;margin-bottom:10px;}
.upload-zone h3{font-size:1.05rem;margin-bottom:4px;}
.upload-zone p{color:var(--text-2);font-size:.85rem;margin:0;}
input[type=file]{display:none;}

.workspace{display:none;grid-template-columns:1fr 300px;gap:20px;}
.workspace.active{display:grid;}
.pdf-stage{
  background:var(--navy-900);border:1px solid var(--border);border-radius:14px;
  padding:16px;overflow:auto;max-height:78vh;position:relative;
}
.pdf-toolbar{display:flex;justify-content:space-between;align-items:center;margin-bottom:12px;flex-wrap:wrap;gap:10px;}
.pdf-toolbar .group{display:flex;gap:6px;align-items:center;}
.btn-icon{
  width:34px;height:34px;border-radius:8px;background:var(--navy-800);border:1px solid var(--border);
  color:var(--text-0);cursor:pointer;display:flex;align-items:center;justify-content:center;font-size:.95rem;
}
.btn-icon:hover{background:var(--navy-700);}
.btn-icon:disabled{opacity:.4;cursor:not-allowed;}
.page-indicator{font-size:.85rem;color:var(--text-1);min-width:70px;text-align:center;}
.canvas-wrap{position:relative;margin:0 auto;width:fit-content;}
#pdfCanvas{display:block;border-radius:6px;box-shadow:0 0 0 1px var(--border);}
#overlayLayer{position:absolute;top:0;left:0;}
.sig-object{
  position:absolute;border:1.5px solid var(--accent);border-radius:6px;
  cursor:move;background:rgba(91,140,255,.06);touch-action:none;
}
.sig-object img{width:100%;height:100%;object-fit:contain;pointer-events:none;user-select:none;}
.sig-object .resize-handle{
  position:absolute;width:14px;height:14px;background:var(--accent);border-radius:50%;
  right:-7px;bottom:-7px;cursor:nwse-resize;border:2px solid #fff;
}
.sig-object .del-handle{
  position:absolute;width:20px;height:20px;background:var(--danger);border-radius:50%;
  left:-10px;top:-10px;cursor:pointer;display:flex;align-items:center;justify-content:center;color:#fff;font-size:.7rem;font-weight:700;
}
.sig-object .rotate-handle{
  position:absolute;width:14px;height:14px;background:var(--accent-2);border-radius:50%;
  right:-7px;top:-7px;cursor:grab;border:2px solid #fff;
}

.side-panel{display:flex;flex-direction:column;gap:14px;}
.panel-card{background:var(--navy-900);border:1px solid var(--border);border-radius:14px;padding:16px;}
.panel-card h3{font-size:.95rem;margin-bottom:10px;}
.tab-row{display:flex;gap:4px;background:var(--navy-800);border-radius:10px;padding:4px;margin-bottom:12px;}
.tab-btn{flex:1;padding:8px;border:none;background:transparent;color:var(--text-2);border-radius:8px;font-size:.82rem;cursor:pointer;font-family:var(--font-body);}
.tab-btn.active{background:var(--accent-grad);color:#06101f;font-weight:600;}
.tab-panel{display:none;}
.tab-panel.active{display:block;}
#drawCanvas{background:#fff;border-radius:8px;width:100%;height:150px;touch-action:none;cursor:crosshair;}
.draw-controls{display:flex;gap:8px;margin-top:8px;flex-wrap:wrap;align-items:center;}
.color-dot{width:22px;height:22px;border-radius:50%;border:2px solid var(--border);cursor:pointer;}
.color-dot.selected{border-color:var(--accent);}
input[type=text].type-input{
  width:100%;padding:10px 12px;border-radius:8px;border:1px solid var(--border);
  background:var(--navy-800);color:var(--text-0);font-size:1.4rem;margin-bottom:10px;
}
select.font-select{width:100%;padding:9px 10px;border-radius:8px;border:1px solid var(--border);background:var(--navy-800);color:var(--text-0);font-size:.85rem;margin-bottom:10px;}
.typed-preview{
  padding:16px;background:#fff;border-radius:8px;text-align:center;font-size:1.8rem;color:#111;min-height:60px;
  display:flex;align-items:center;justify-content:center;
}
.range-row{display:flex;align-items:center;gap:10px;margin-bottom:10px;font-size:.82rem;color:var(--text-1);}
.range-row input[type=range]{flex:1;}
.field-row{margin-bottom:10px;}
.field-row label{display:block;font-size:.78rem;color:var(--text-2);margin-bottom:5px;}
.btn-primary{
  width:100%;padding:13px;border-radius:10px;border:none;background:var(--accent-grad);
  color:#06101f;font-weight:700;font-size:.95rem;cursor:pointer;font-family:var(--font-body);
  transition:transform .15s, opacity .15s;
}
.btn-primary:hover{transform:translateY(-1px);}
.btn-primary:disabled{opacity:.55;cursor:not-allowed;transform:none;}
.btn-secondary{
  width:100%;padding:11px;border-radius:10px;border:1px solid var(--border);background:var(--navy-800);
  color:var(--text-0);font-weight:600;font-size:.88rem;cursor:pointer;margin-top:8px;font-family:var(--font-body);
}
.btn-secondary:hover{background:var(--navy-700);}
.hint{font-size:.76rem;color:var(--text-2);margin-top:6px;line-height:1.4;}
.err-msg{font-size:.8rem;color:var(--danger);margin-top:6px;display:none;}
.err-msg.show{display:block;}
.progress-bar{height:6px;background:var(--navy-700);border-radius:3px;overflow:hidden;margin-top:10px;display:none;}
.progress-bar.show{display:block;}
.progress-fill{height:100%;width:0;background:var(--accent-grad);transition:width .2s;}

/* Results */
.result-section{display:none;padding:40px 0;scroll-margin-top:90px;}
.result-section.show{display:block;}
.result-card{
  background:var(--navy-800);border:1px solid var(--border);border-radius:20px;padding:28px;text-align:center;
  box-shadow:var(--shadow);
}
.result-icon{width:60px;height:60px;border-radius:50%;background:rgba(51,214,159,.15);color:var(--success);
  display:flex;align-items:center;justify-content:center;font-size:1.6rem;margin:0 auto 14px;}
.result-preview-frame{
  max-width:340px;margin:20px auto;border:1px solid var(--border);border-radius:10px;overflow:hidden;background:#fff;
}
.result-actions{display:flex;gap:10px;justify-content:center;flex-wrap:wrap;margin-top:20px;}
.btn-result{
  padding:11px 22px;border-radius:10px;font-weight:600;font-size:.88rem;cursor:pointer;border:1px solid var(--border);
  background:var(--navy-700);color:var(--text-0);display:flex;align-items:center;gap:7px;font-family:var(--font-body);
}
.btn-result.primary{background:var(--accent-grad);color:#06101f;border:none;}
.btn-result:hover{filter:brightness(1.1);}

/* More Tools strip */
.more-tools{padding:34px 0;}
.tool-chip-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(160px,1fr));gap:10px;}
.tool-chip{
  padding:11px 14px;background:var(--navy-800);border:1px solid var(--border);border-radius:10px;
  font-size:.8rem;color:var(--text-1);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;
}
.tool-chip:hover{border-color:var(--accent);color:var(--text-0);}

/* Features */
.features{padding:50px 0;}
.section-head{text-align:center;max-width:640px;margin:0 auto 36px;}
.section-head h2{font-size:clamp(1.5rem,3vw,2.1rem);}
.section-head p{color:var(--text-2);}
.feat-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;}
.feat-card{background:var(--navy-800);border:1px solid var(--border);border-radius:16px;padding:22px;}
.feat-card .fi{width:44px;height:44px;border-radius:11px;background:var(--navy-700);display:flex;align-items:center;justify-content:center;font-size:1.2rem;margin-bottom:12px;}
.feat-card h3{font-size:1.02rem;}
.feat-card p{color:var(--text-2);font-size:.87rem;margin:0;}

/* How it works */
.how{padding:50px 0;background:var(--navy-900);border-top:1px solid var(--border);border-bottom:1px solid var(--border);}
.how-steps{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
.how-step{position:relative;padding:20px 16px 16px;background:var(--navy-800);border:1px solid var(--border);border-radius:14px;}
.how-step .num{
  width:32px;height:32px;border-radius:9px;background:var(--accent-grad);color:#06101f;font-weight:800;
  display:flex;align-items:center;justify-content:center;margin-bottom:12px;font-size:.9rem;
}
.how-step h3{font-size:.95rem;}
.how-step p{color:var(--text-2);font-size:.83rem;margin:0;}

/* Content / article */
.article-section{padding:50px 0;}
.article-wrap{max-width:820px;margin:0 auto;color:var(--text-1);}
.article-wrap h2{color:var(--text-0);font-size:1.5rem;margin-top:1.4em;}
.article-wrap p{margin-bottom:1.1em;}
.article-wrap strong{color:var(--text-0);}

/* FAQ */
.faq{padding:50px 0;}
.faq-list{max-width:760px;margin:0 auto;}
.faq-item{border-bottom:1px solid var(--border);}
.faq-q{
  width:100%;text-align:left;background:none;border:none;padding:18px 4px;color:var(--text-0);
  font-family:var(--font-head);font-size:1rem;font-weight:600;cursor:pointer;display:flex;justify-content:space-between;gap:12px;
}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease;color:var(--text-2);font-size:.9rem;padding:0 4px;}
.faq-item.open .faq-a{max-height:300px;padding-bottom:18px;}
.faq-item .plus{transition:transform .25s;flex-shrink:0;}
.faq-item.open .plus{transform:rotate(45deg);}

/* CTA */
.cta{padding:56px 0;}
.cta-box{
  background:var(--accent-grad);border-radius:24px;padding:44px 30px;text-align:center;color:#06101f;
}
.cta-box h2{color:#06101f;font-size:clamp(1.4rem,3vw,2rem);}
.cta-box p{color:rgba(6,16,31,.75);max-width:520px;margin:0 auto 22px;}
.cta-btns{display:flex;gap:14px;justify-content:center;flex-wrap:wrap;}
.btn-cta{padding:13px 26px;border-radius:10px;font-weight:700;font-size:.9rem;background:#06101f;color:#fff;}
.btn-cta.outline{background:transparent;border:2px solid #06101f;color:#06101f;}

/* Footer */
footer.site-footer{background:var(--navy-900);border-top:1px solid var(--border);padding:50px 0 24px;}
.footer-grid{display:grid;grid-template-columns:1.4fr repeat(4,1fr);gap:26px;margin-bottom:30px;}
.footer-brand p{color:var(--text-2);font-size:.85rem;max-width:280px;}
.footer-col h4{font-size:.85rem;text-transform:uppercase;letter-spacing:.05em;color:var(--text-2);margin-bottom:12px;}
.footer-col a{display:block;color:var(--text-1);font-size:.83rem;padding:5px 0;}
.footer-col a:hover{color:var(--accent-2);}
.footer-bottom{border-top:1px solid var(--border);padding-top:20px;display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;font-size:.8rem;color:var(--text-2);}
.footer-bottom a{color:var(--text-2);}
.disclaimer{font-size:.76rem;color:var(--text-2);opacity:.8;max-width:900px;margin:0 auto 20px;text-align:center;line-height:1.6;}

/* Toast */
.toast{
  position:fixed;bottom:24px;left:50%;transform:translateX(-50%) translateY(100px);
  background:var(--navy-800);border:1px solid var(--border);color:var(--text-0);
  padding:12px 22px;border-radius:10px;font-size:.86rem;box-shadow:var(--shadow);z-index:1000;
  transition:transform .3s ease;display:flex;align-items:center;gap:8px;
}
.toast.show{transform:translateX(-50%) translateY(0);}

/* Responsive */
@media (max-width:980px){
  .hero-grid{grid-template-columns:1fr;}
  .workspace.active{grid-template-columns:1fr;}
  .feat-grid{grid-template-columns:repeat(2,1fr);}
  .how-steps{grid-template-columns:repeat(2,1fr);}
  .footer-grid{grid-template-columns:repeat(2,1fr);}
}
@media (max-width:760px){
  nav.main-nav{display:none;}
  .hamburger{display:block;}
  .mobile-drawer{display:block;}
  .hero{padding:26px 0 20px;}
  .tool-shell{padding:16px;}
  .feat-grid{grid-template-columns:1fr;}
  .how-steps{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;}
  .cta-box{padding:32px 18px;}
}
@media (max-width:420px){
  .footer-grid{grid-template-columns:1fr;}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important;}
}