:root{
  --primary:#2bb24c;
  --primary-dark:#1f9c40;
  --primary-light:#e7f7ec;
  --navy:#0d1b2a;
  --navy-2:#1b263b;
  --ink:#1a2433;
  --muted:#5b6b7c;
  --border:#e3e8ef;
  --bg:#f5f7fa;
  --card:#ffffff;
  --danger:#e14b4b;
  --warn:#f5a623;
  --shadow:0 1px 2px rgba(13,27,42,.05),0 8px 24px -12px rgba(13,27,42,.12);
  --shadow-lg:0 12px 40px -12px rgba(13,27,42,.25);
  --radius:14px;
  --font:'Segoe UI',system-ui,-apple-system,'Helvetica Neue',Arial,sans-serif;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:var(--font);color:var(--ink);background:var(--bg);line-height:1.55;-webkit-font-smoothing:antialiased}
img{max-width:100%}
a{color:var(--primary);text-decoration:none}
.container{max-width:1180px;margin:0 auto;padding:0 22px}
.muted{color:var(--muted)}

/* ---------- Buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;font-weight:600;border-radius:10px;padding:12px 22px;font-size:15px;cursor:pointer;border:1px solid transparent;transition:.18s;font-family:inherit;line-height:1.2}
.btn svg{width:18px;height:18px}
.btn-primary{background:var(--primary);color:#fff}
.btn-primary:hover{background:var(--primary-dark);transform:translateY(-1px);box-shadow:0 8px 20px -8px rgba(43,178,76,.55)}
.btn-ghost{background:transparent;color:var(--ink);border-color:var(--border)}
.btn-ghost:hover{border-color:var(--primary);color:var(--primary)}
.btn-white{background:#fff;color:var(--navy)}
.btn-white:hover{transform:translateY(-1px);box-shadow:0 10px 24px -10px rgba(0,0,0,.4)}
.btn-outline-white{background:transparent;color:#fff;border-color:rgba(255,255,255,.45)}
.btn-outline-white:hover{background:rgba(255,255,255,.12)}
.btn-sm{padding:8px 14px;font-size:13.5px;border-radius:8px}
.btn-lg{padding:15px 30px;font-size:16px;border-radius:12px}
.btn:disabled{opacity:.55;cursor:not-allowed;transform:none!important;box-shadow:none!important}
.btn-danger{background:var(--danger);color:#fff}
.btn-danger:hover{filter:brightness(.95)}
.btn-block{width:100%}

/* ---------- Header ---------- */
.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.92);backdrop-filter:blur(12px);border-bottom:1px solid var(--border)}
.header-inner{display:flex;align-items:center;gap:26px;height:64px}
.brand{display:flex;align-items:center;gap:10px;color:var(--ink)}
.brand-mark{width:34px;height:34px;border-radius:9px;background:linear-gradient(135deg,var(--primary),#7ed957);display:flex;align-items:center;justify-content:center;color:#fff;box-shadow:0 4px 10px -3px rgba(43,178,76,.5)}
.brand-mark svg{width:19px;height:19px}
.brand-text{font-size:19px;font-weight:800;letter-spacing:-.3px}
.brand-text em{font-style:normal;color:var(--primary)}
.main-nav{display:flex;gap:4px;margin-left:8px}
.main-nav a{padding:8px 14px;border-radius:8px;color:var(--muted);font-weight:600;font-size:14.5px}
.main-nav a:hover{color:var(--ink);background:#f0f3f7}
.header-cta{margin-left:auto}
@media(max-width:640px){.main-nav{display:none}.header-cta{display:none}}

/* ---------- Hero ---------- */
.hero{background:radial-gradient(1100px 600px at 75% -10%,#2a4d6e 0%,transparent 55%),linear-gradient(120deg,var(--navy) 0%,var(--navy-2) 100%);color:#fff;padding:72px 0 84px;position:relative;overflow:hidden}
.hero::before{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.035) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.035) 1px,transparent 1px);background-size:44px 44px;mask-image:radial-gradient(700px 400px at 50% 0%,#000,transparent)}
.hero-inner{position:relative;display:grid;grid-template-columns:1.15fr .85fr;gap:50px;align-items:center}
.hero h1{font-size:clamp(30px,4.6vw,50px);font-weight:800;line-height:1.15;letter-spacing:-1px;margin-bottom:18px}
.hero h1 .hl{background:linear-gradient(90deg,#7ed957,#2bb24c);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero p.lead{font-size:17.5px;color:#c6d3e1;max-width:540px;margin-bottom:30px}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap;align-items:center}
.hero-stats{display:flex;gap:34px;margin-top:40px}
.hero-stats .stat b{display:block;font-size:26px;font-weight:800}
.hero-stats .stat span{color:#9fb0c2;font-size:13px}
.hero-card{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.14);border-radius:18px;padding:22px;backdrop-filter:blur(6px)}
.hero-card h3{font-size:15px;margin-bottom:14px;display:flex;align-items:center;gap:8px}
.hero-card h3 svg{width:17px;height:17px;color:#7ed957}
.hero-card .quick-tools{display:grid;grid-template-columns:1fr 1fr;gap:8px}
.hero-card .quick-tools a{display:flex;align-items:center;gap:8px;padding:9px 11px;border-radius:9px;background:rgba(255,255,255,.07);color:#e6edf4;font-size:13.5px;font-weight:600;transition:.15s}
.hero-card .quick-tools a:hover{background:rgba(126,217,87,.18);color:#fff}
.hero-card .quick-tools svg{width:16px;height:16px;color:#7ed957;flex:none}
.privacy-note{margin-top:14px;font-size:12px;color:#9fb0c2;display:flex;gap:6px;align-items:center}
.privacy-note svg{width:14px;height:14px}
@media(max-width:860px){.hero-inner{grid-template-columns:1fr;gap:34px}.hero{padding:48px 0 60px}}

/* ---------- Sections ---------- */
.section{padding:64px 0}
.section.alt{background:#fff}
.section-head{text-align:center;max-width:640px;margin:0 auto 44px}
.section-head .eyebrow{color:var(--primary);font-weight:700;font-size:13px;text-transform:uppercase;letter-spacing:1.4px}
.section-head h2{font-size:clamp(24px,3vw,34px);font-weight:800;letter-spacing:-.5px;margin:8px 0 12px}
.section-head p{color:var(--muted);font-size:16px}

/* ---------- Tools grid ---------- */
.tool-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:14px}
.tool-card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:20px 18px;display:flex;flex-direction:column;gap:10px;transition:.18s;box-shadow:var(--shadow)}
.tool-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:transparent}
.tool-card .t-icon{width:44px;height:44px;border-radius:11px;display:flex;align-items:center;justify-content:center;color:#fff}
.tool-card .t-icon svg{width:22px;height:22px}
.tool-card h3{font-size:15px;font-weight:700}
.tool-card p{font-size:13px;color:var(--muted);line-height:1.45;flex:1}
.tool-card .go{color:var(--primary);font-weight:700;font-size:13px;display:inline-flex;align-items:center;gap:4px}
.tool-card .go svg{width:14px;height:14px}
.tool-cat-title{font-size:13px;font-weight:800;letter-spacing:1.2px;text-transform:uppercase;color:var(--muted);margin:38px 0 14px;display:flex;align-items:center;gap:10px}
.tool-cat-title::after{content:"";height:1px;flex:1;background:var(--border)}

/* icon colors */
.c-green{background:linear-gradient(135deg,#2bb24c,#7ed957)}
.c-blue{background:linear-gradient(135deg,#3b82f6,#60a5fa)}
.c-purple{background:linear-gradient(135deg,#8b5cf6,#a78bfa)}
.c-orange{background:linear-gradient(135deg,#f59e0b,#fbbf24)}
.c-red{background:linear-gradient(135deg,#ef4444,#f87171)}
.c-teal{background:linear-gradient(135deg,#14b8a6,#2dd4bf)}
.c-pink{background:linear-gradient(135deg,#ec4899,#f472b6)}
.c-slate{background:linear-gradient(135deg,#64748b,#94a3b8)}
.c-indigo{background:linear-gradient(135deg,#6366f1,#818cf8)}
.c-cyan{background:linear-gradient(135deg,#06b6d4,#22d3ee)}

/* ---------- Tool page ---------- */
.tool-page{padding:44px 0 70px}
.tool-breadcrumb{font-size:13px;color:var(--muted);margin-bottom:10px}
.tool-breadcrumb a{color:var(--muted);font-weight:600}
.tool-breadcrumb a:hover{color:var(--primary)}
.tool-page-head{display:flex;align-items:center;gap:16px;margin-bottom:8px}
.tool-page-head .t-icon{width:56px;height:56px;border-radius:14px;display:flex;align-items:center;justify-content:center;color:#fff;flex:none}
.tool-page-head .t-icon svg{width:28px;height:28px}
.tool-page-head h1{font-size:clamp(22px,3vw,30px);font-weight:800;letter-spacing:-.4px}
.tool-page-head .t-sub{color:var(--muted);font-size:15px}
.tool-layout{display:grid;grid-template-columns:1fr 320px;gap:26px;margin-top:26px;align-items:start}
@media(max-width:920px){.tool-layout{grid-template-columns:1fr}}

/* ---------- Panel / Card ---------- */
.panel{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow)}
.panel-body{padding:22px}
.panel-title{font-weight:700;font-size:15px;margin-bottom:14px;display:flex;align-items:center;gap:8px}
.panel-title svg{width:17px;height:17px;color:var(--primary)}

/* ---------- Dropzone ---------- */
.dropzone{border:2px dashed #cdd6e1;border-radius:12px;padding:44px 24px;text-align:center;cursor:pointer;transition:.18s;background:#fbfcfe}
.dropzone:hover,.dropzone.over{border-color:var(--primary);background:var(--primary-light)}
.dropzone .dz-icon{width:66px;height:66px;margin:0 auto 14px;border-radius:50%;background:var(--primary-light);display:flex;align-items:center;justify-content:center}
.dropzone .dz-icon svg{width:32px;height:32px;color:var(--primary)}
.dropzone h3{font-size:17px;margin-bottom:6px}
.dropzone p{color:var(--muted);font-size:14px}
.dropzone .dz-badge{display:inline-block;margin-top:14px;font-size:12px;font-weight:700;color:var(--primary);background:var(--primary-light);padding:6px 12px;border-radius:99px}
.dropzone.small{padding:26px 18px}

/* ---------- File list ---------- */
.file-list{display:flex;flex-direction:column;gap:8px;margin-top:16px}
.file-item{display:flex;align-items:center;gap:12px;border:1px solid var(--border);border-radius:10px;padding:10px 14px;background:#fbfcfe}
.file-item .fi-icon{width:36px;height:36px;border-radius:8px;background:#fde8e8;color:#ef4444;display:flex;align-items:center;justify-content:center;flex:none;font-size:12px;font-weight:800}
.file-item .fi-icon.f-audio{background:#fef3e2;color:#f59e0b}
.file-item .fi-name{flex:1;min-width:0}
.file-item .fi-name b{display:block;font-size:13.5px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.file-item .fi-name span{font-size:12px;color:var(--muted)}
.file-item .fi-del{background:none;border:none;cursor:pointer;color:var(--muted);padding:6px;border-radius:8px;display:flex}
.file-item .fi-del:hover{color:var(--danger);background:#fdeeee}
.file-item .fi-del svg{width:17px;height:17px}

/* ---------- Controls ---------- */
.field{margin-bottom:16px}
.field label{display:block;font-weight:600;font-size:13.5px;margin-bottom:7px}
.field label .hint{font-weight:400;color:var(--muted)}
.field input[type=text],.field input[type=number],.field input[type=password],.field select,.field textarea{width:100%;padding:11px 13px;border:1px solid var(--border);border-radius:9px;font-size:14.5px;font-family:inherit;background:#fff;color:var(--ink);transition:.15s}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(43,178,76,.14)}
.field .hint{font-size:12px;color:var(--muted);margin-top:5px}
.field-row{display:grid;grid-template-columns:1fr 1fr;gap:12px}
@media(max-width:560px){.field-row{grid-template-columns:1fr}}
.check{display:flex;align-items:center;gap:9px;font-size:14px;cursor:pointer;margin-bottom:10px}
.check input{width:17px;height:17px;accent-color:var(--primary);cursor:pointer}

/* range slider */
input[type=range]{width:100%;accent-color:var(--primary)}
.range-labels{display:flex;justify-content:space-between;font-size:12px;color:var(--muted);margin-top:4px}

/* segmented control */
.segmented{display:flex;background:#eef1f6;border-radius:10px;padding:4px;gap:4px;margin-bottom:16px}
.segmented button{flex:1;border:none;background:transparent;padding:9px;border-radius:8px;font-weight:600;font-size:13.5px;color:var(--muted);cursor:pointer;font-family:inherit;transition:.15s}
.segmented button.active{background:#fff;color:var(--ink);box-shadow:var(--shadow)}

/* pages grid */
.pages-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(86px,1fr));gap:10px;margin-top:14px;max-height:320px;overflow:auto;padding:4px}
.page-thumb{border:2px solid var(--border);border-radius:9px;padding:6px 4px;cursor:pointer;text-align:center;background:#fff;transition:.15s;position:relative}
.page-thumb.sel{border-color:var(--primary);background:var(--primary-light)}
.page-thumb canvas{max-width:100%;height:auto;border-radius:4px;background:#f1f3f7}
.page-thumb .pnum{font-size:11px;color:var(--muted);margin-top:4px;font-weight:600}
.page-thumb .pcheck{position:absolute;top:5px;left:5px;width:17px;height:17px;border-radius:5px;background:#fff;border:2px solid #cdd6e1;display:flex;align-items:center;justify-content:center}
.page-thumb.sel .pcheck{background:var(--primary);border-color:var(--primary)}
.page-thumb.sel .pcheck::after{content:"✓";color:#fff;font-size:11px;font-weight:800}

/* progress */
.progress-wrap{background:#eef1f6;border-radius:99px;height:8px;overflow:hidden;margin:16px 0 8px}
.progress-bar{height:100%;width:0;background:linear-gradient(90deg,var(--primary),#7ed957);border-radius:99px;transition:width .25s}
.status-text{font-size:13px;color:var(--muted);text-align:center}

/* ---------- Sidebar / info ---------- */
.side-stack{display:flex;flex-direction:column;gap:16px}
.info-card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:18px;box-shadow:var(--shadow)}
.info-card h4{font-size:14px;margin-bottom:10px;display:flex;align-items:center;gap:8px}
.info-card h4 svg{width:16px;height:16px;color:var(--primary)}
.info-card p,.info-card li{font-size:13px;color:var(--muted);line-height:1.55}
.info-card ul{padding-left:16px;display:flex;flex-direction:column;gap:4px}
.info-card .step{display:flex;gap:10px;margin-bottom:10px}
.info-card .step b{width:22px;height:22px;border-radius:50%;background:var(--primary-light);color:var(--primary);display:flex;align-items:center;justify-content:center;font-size:12px;flex:none;font-weight:800}
.secure-badge{display:flex;align-items:center;gap:10px;padding:12px;border-radius:10px;background:var(--primary-light);font-size:13px;color:var(--primary-dark);font-weight:600}
.secure-badge svg{width:18px;height:18px;flex:none}

/* ---------- All tools ---------- */
.hero.small{padding:46px 0}
.search-box{position:relative;max-width:520px;margin:0 auto}
.search-box input{width:100%;padding:14px 18px 14px 46px;border-radius:12px;border:1px solid rgba(255,255,255,.25);background:rgba(255,255,255,.09);color:#fff;font-size:15px;font-family:inherit}
.search-box input::placeholder{color:#9fb0c2}
.search-box input:focus{outline:none;border-color:#7ed957}
.search-box svg{position:absolute;left:16px;top:50%;transform:translateY(-50%);width:18px;height:18px;color:#9fb0c2}

/* ---------- Toast ---------- */
#toast-wrap{position:fixed;bottom:22px;right:22px;z-index:100;display:flex;flex-direction:column;gap:10px}
.toast{background:var(--navy);color:#fff;padding:13px 18px;border-radius:11px;font-size:14px;font-weight:600;box-shadow:var(--shadow-lg);animation:toastIn .25s ease;max-width:340px}
.toast.error{background:var(--danger)}
.toast.success{background:var(--primary-dark)}
@keyframes toastIn{from{opacity:0;transform:translateY(12px)}to{opacity:1;transform:none}}

/* ---------- Empty / home tools hint ---------- */
.empty-note{text-align:center;color:var(--muted);font-size:13.5px;padding:10px 0}

/* ---------- Signature ---------- */
.sign-area{position:relative;border:2px dashed #cdd6e1;border-radius:12px;background:#fff;touch-action:none;cursor:crosshair;width:100%}
.sign-area canvas{display:block;width:100%}

/* ---------- Table preview ---------- */
.table-preview{max-height:260px;overflow:auto;border:1px solid var(--border);border-radius:10px;margin-top:10px}
.table-preview table{border-collapse:collapse;width:100%;font-size:13px}
.table-preview th,.table-preview td{border:1px solid var(--border);padding:7px 10px;text-align:left;white-space:nowrap}
.table-preview th{background:#f0f3f7;font-weight:700}
.table-preview tr:nth-child(even) td{background:#fbfcfe}

/* result bar */
.result-bar{display:flex;align-items:center;gap:12px;margin-top:16px;padding:14px 16px;border-radius:11px;background:var(--primary-light);border:1px solid #bde9cb}
.result-bar svg{width:22px;height:22px;color:var(--primary);flex:none}
.result-bar b{display:block;font-size:14px;color:var(--primary-dark)}
.result-bar span{font-size:12.5px;color:var(--primary-dark);opacity:.8}

/* features strip */
.features-strip{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:16px;margin-top:8px}
.feature{display:flex;gap:13px;align-items:flex-start;padding:18px;background:var(--card);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow)}
.feature svg{width:22px;height:22px;color:var(--primary);flex:none;margin-top:1px}
.feature b{display:block;font-size:14.5px;margin-bottom:3px}
.feature p{font-size:13px;color:var(--muted)}

/* footer */
.site-footer{background:var(--navy);color:#c6d3e1;margin-top:20px}
.footer-inner{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:34px;padding:50px 22px}
.footer-inner .brand{color:#fff}
.footer-inner h4{color:#fff;font-size:14px;margin-bottom:13px}
.footer-inner a{display:block;color:#9fb0c2;font-size:13.5px;margin-bottom:9px}
.footer-inner a:hover{color:#7ed957}
.footer-inner p{font-size:13.5px;margin-top:12px}
.footer-bottom{border-top:1px solid rgba(255,255,255,.09);padding:18px 0;font-size:13px;color:#8fa1b4}
@media(max-width:860px){.footer-inner{grid-template-columns:1fr 1fr}}

.spinner{width:40px;height:40px;border:4px solid var(--primary-light);border-top-color:var(--primary);border-radius:50%;animation:spin .7s linear infinite;margin:24px auto}
@keyframes spin{to{transform:rotate(360deg)}}
.center{text-align:center}
.mt8{margin-top:8px}.mt16{margin-top:16px}.mt24{margin-top:24px}.mb16{margin-bottom:16px}