/* images-resizer.com — global styles */
:root{
  --primary:#2563eb;
  --primary-dark:#1d4ed8;
  --primary-light:#eff6ff;
  --ink:#0f172a;
  --ink-soft:#475569;
  --ink-faint:#94a3b8;
  --bg:#ffffff;
  --bg-soft:#f8fafc;
  --line:#e2e8f0;
  --green:#16a34a;
  --radius:14px;
  --shadow:0 4px 24px rgba(15,23,42,.07);
  --font:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Inter","Helvetica Neue",Arial,sans-serif;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:var(--font);color:var(--ink);background:var(--bg);line-height:1.65;font-size:16px}
img{max-width:100%;height:auto}
a{color:var(--primary);text-decoration:none}
a:hover{text-decoration:underline}
.container{max-width:1080px;margin:0 auto;padding:0 20px}

/* Header */
.site-header{border-bottom:1px solid var(--line);background:#fff;position:sticky;top:0;z-index:50}
.nav{display:flex;align-items:center;justify-content:space-between;height:64px}
.brand{display:flex;align-items:center;gap:9px;font-weight:800;font-size:1.15rem;color:var(--ink);text-decoration:none}
.brand:hover{text-decoration:none}
.brand svg{flex:none}
.nav-links{display:flex;gap:4px;list-style:none;align-items:center}
.nav-links a{display:block;padding:8px 13px;border-radius:8px;color:var(--ink-soft);font-weight:500;font-size:.95rem}
.nav-links a:hover{background:var(--bg-soft);color:var(--ink);text-decoration:none}
.nav-links a.active{color:var(--primary);background:var(--primary-light)}
.nav-toggle{display:none;background:none;border:0;cursor:pointer;padding:8px}
.nav-toggle span{display:block;width:22px;height:2px;background:var(--ink);margin:5px 0;border-radius:2px}
@media(max-width:820px){
  .nav-toggle{display:block}
  .nav-links{display:none;position:absolute;top:64px;left:0;right:0;background:#fff;flex-direction:column;align-items:stretch;padding:10px 16px 16px;border-bottom:1px solid var(--line);box-shadow:var(--shadow)}
  .nav-links.open{display:flex}
}

/* Hero */
.hero{text-align:center;padding:44px 0 10px}
.hero h1{font-size:clamp(1.7rem,4.5vw,2.6rem);font-weight:800;letter-spacing:-.02em;margin-bottom:12px}
.hero p.sub{color:var(--ink-soft);font-size:1.08rem;max-width:640px;margin:0 auto 8px}

/* Tool area */
.tool-wrap{max-width:860px;margin:26px auto 0;padding:0 20px}
.dropzone{border:2px dashed #bfdbfe;background:var(--primary-light);border-radius:var(--radius);padding:56px 24px;text-align:center;cursor:pointer;transition:.2s}
.dropzone:hover,.dropzone.dragover{border-color:var(--primary);background:#e0edff}
.dropzone .dz-icon{margin-bottom:10px}
.dropzone h2{font-size:1.15rem;font-weight:700;margin-bottom:6px}
.dropzone p{color:var(--ink-soft);font-size:.92rem}
.btn{display:inline-block;background:var(--primary);color:#fff;font-weight:600;font-size:1rem;padding:12px 26px;border-radius:10px;border:0;cursor:pointer;transition:.15s}
.btn:hover{background:var(--primary-dark);text-decoration:none}
.btn.secondary{background:#fff;color:var(--ink);border:1px solid var(--line)}
.btn.secondary:hover{background:var(--bg-soft)}
.btn.big{padding:14px 34px;font-size:1.05rem}
.btn:disabled{opacity:.5;cursor:not-allowed}
.hidden{display:none!important}

.tool-panel{background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:24px;margin-top:8px}
.tool-grid{display:grid;grid-template-columns:1fr 320px;gap:24px}
@media(max-width:760px){.tool-grid{grid-template-columns:1fr}}
.preview-box{background:var(--bg-soft);border:1px solid var(--line);border-radius:10px;display:flex;align-items:center;justify-content:center;min-height:260px;overflow:hidden;position:relative}
.preview-box img,.preview-box canvas{max-width:100%;max-height:420px;display:block}
.file-meta{font-size:.85rem;color:var(--ink-soft);margin-top:10px;display:flex;gap:14px;flex-wrap:wrap}
.file-meta b{color:var(--ink)}

.controls .field{margin-bottom:16px}
.controls label{display:block;font-weight:600;font-size:.9rem;margin-bottom:6px}
.controls input[type=number],.controls input[type=text],.controls select{width:100%;padding:10px 12px;border:1px solid var(--line);border-radius:8px;font-size:.95rem;font-family:inherit}
.controls input:focus,.controls select:focus{outline:2px solid #bfdbfe;border-color:var(--primary)}
.row-2{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.check{display:flex;align-items:center;gap:8px;font-size:.9rem;color:var(--ink-soft)}
.check input{width:16px;height:16px}
input[type=range]{width:100%;accent-color:var(--primary)}
.range-val{font-weight:700;color:var(--primary)}
.result-note{background:#f0fdf4;border:1px solid #bbf7d0;color:#166534;border-radius:8px;padding:10px 14px;font-size:.9rem;margin-top:12px}
.tab-btns{display:flex;gap:8px;margin-bottom:14px;flex-wrap:wrap}
.tab-btns button{padding:8px 16px;border-radius:8px;border:1px solid var(--line);background:#fff;font-weight:600;font-size:.88rem;cursor:pointer}
.tab-btns button.active{background:var(--primary);border-color:var(--primary);color:#fff}
.preset-chips{display:flex;gap:8px;flex-wrap:wrap;margin-top:6px}
.preset-chips button{padding:6px 12px;border-radius:999px;border:1px solid var(--line);background:#fff;font-size:.82rem;cursor:pointer}
.preset-chips button:hover{border-color:var(--primary);color:var(--primary)}

/* Crop */
.crop-stage{position:relative;display:inline-block;max-width:100%;user-select:none;touch-action:none}
.crop-stage img{display:block;max-width:100%;max-height:460px}
.crop-box{position:absolute;border:2px solid var(--primary);box-shadow:0 0 0 9999px rgba(15,23,42,.45);cursor:move}
.crop-handle{position:absolute;width:14px;height:14px;background:#fff;border:2px solid var(--primary);border-radius:50%}
.crop-handle.nw{top:-8px;left:-8px;cursor:nwse-resize}
.crop-handle.ne{top:-8px;right:-8px;cursor:nesw-resize}
.crop-handle.sw{bottom:-8px;left:-8px;cursor:nesw-resize}
.crop-handle.se{bottom:-8px;right:-8px;cursor:nwse-resize}

/* Sections */
section.content{padding:48px 0 8px}
section.content h2{font-size:1.6rem;font-weight:800;letter-spacing:-.01em;margin-bottom:14px}
section.content h3{font-size:1.15rem;font-weight:700;margin:22px 0 8px}
section.content p{color:var(--ink-soft);margin-bottom:12px;max-width:760px}
section.content ul,section.content ol{color:var(--ink-soft);margin:0 0 12px 22px;max-width:740px}
section.content li{margin-bottom:6px}

.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:20px}
@media(max-width:760px){.steps{grid-template-columns:1fr}}
.step{background:var(--bg-soft);border:1px solid var(--line);border-radius:var(--radius);padding:22px}
.step .num{width:34px;height:34px;border-radius:50%;background:var(--primary);color:#fff;font-weight:700;display:flex;align-items:center;justify-content:center;margin-bottom:12px}
.step h3{font-size:1.02rem;font-weight:700;margin:0 0 6px}
.step p{font-size:.9rem;color:var(--ink-soft);margin:0}

.feature-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:20px}
@media(max-width:760px){.feature-grid{grid-template-columns:1fr}}
.feature{border:1px solid var(--line);border-radius:var(--radius);padding:22px}
.feature h3{font-size:1.02rem;margin:10px 0 6px}
.feature p{font-size:.9rem;margin:0}
.feature .ic{width:42px;height:42px;border-radius:10px;background:var(--primary-light);display:flex;align-items:center;justify-content:center}

.tools-row{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-top:20px}
@media(max-width:860px){.tools-row{grid-template-columns:repeat(2,1fr)}}
@media(max-width:520px){.tools-row{grid-template-columns:1fr}}
.tool-card{border:1px solid var(--line);border-radius:var(--radius);padding:20px;display:block;color:var(--ink);transition:.15s}
.tool-card:hover{border-color:var(--primary);box-shadow:var(--shadow);text-decoration:none;transform:translateY(-2px)}
.tool-card h3{font-size:1rem;margin:10px 0 4px}
.tool-card p{font-size:.85rem;color:var(--ink-soft);margin:0}

/* FAQ */
.faq details{border:1px solid var(--line);border-radius:10px;margin-bottom:10px;background:#fff}
.faq summary{padding:15px 18px;font-weight:600;cursor:pointer;list-style:none;display:flex;justify-content:space-between;align-items:center}
.faq summary::after{content:"+";font-size:1.3rem;color:var(--ink-faint);font-weight:400}
.faq details[open] summary::after{content:"–"}
.faq .faq-a{padding:0 18px 15px;color:var(--ink-soft);font-size:.95rem}

/* Article */
.article{max-width:760px;margin:0 auto;padding:40px 20px}
.article h1{font-size:clamp(1.6rem,4vw,2.2rem);font-weight:800;letter-spacing:-.02em;margin-bottom:10px;line-height:1.25}
.article .meta{color:var(--ink-faint);font-size:.88rem;margin-bottom:26px}
.article h2{font-size:1.45rem;font-weight:750;margin:32px 0 10px}
.article h3{font-size:1.12rem;font-weight:700;margin:24px 0 8px}
.article p{color:#334155;margin-bottom:14px}
.article ul,.article ol{color:#334155;margin:0 0 14px 24px}
.article li{margin-bottom:6px}
.article table{width:100%;border-collapse:collapse;margin:14px 0;font-size:.92rem}
.article th,.article td{border:1px solid var(--line);padding:9px 12px;text-align:left}
.article th{background:var(--bg-soft)}
.article blockquote{border-left:3px solid var(--primary);padding:6px 16px;background:var(--bg-soft);border-radius:0 8px 8px 0;margin:14px 0;color:var(--ink-soft)}
.cta-box{background:var(--primary-light);border:1px solid #bfdbfe;border-radius:var(--radius);padding:22px;margin:26px 0;text-align:center}
.cta-box p{margin-bottom:12px}

.blog-list{display:grid;grid-template-columns:repeat(2,1fr);gap:20px;margin-top:26px}
@media(max-width:700px){.blog-list{grid-template-columns:1fr}}
.blog-card{border:1px solid var(--line);border-radius:var(--radius);padding:24px;display:block;color:var(--ink)}
.blog-card:hover{border-color:var(--primary);box-shadow:var(--shadow);text-decoration:none}
.blog-card h2{font-size:1.1rem;font-weight:700;margin-bottom:8px}
.blog-card p{color:var(--ink-soft);font-size:.9rem;margin:0}
.blog-card .tag{display:inline-block;background:var(--primary-light);color:var(--primary);font-size:.75rem;font-weight:600;padding:3px 10px;border-radius:999px;margin-bottom:10px}

/* Footer */
.site-footer{border-top:1px solid var(--line);background:var(--bg-soft);margin-top:64px;padding:40px 0 26px}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:28px}
@media(max-width:760px){.footer-grid{grid-template-columns:1fr 1fr}}
.site-footer h4{font-size:.85rem;text-transform:uppercase;letter-spacing:.05em;color:var(--ink-faint);margin-bottom:12px}
.site-footer ul{list-style:none}
.site-footer li{margin-bottom:8px}
.site-footer a{color:var(--ink-soft);font-size:.92rem}
.site-footer a:hover{color:var(--primary)}
.footer-about p{color:var(--ink-soft);font-size:.9rem;max-width:300px;margin-top:10px}
.copyright{text-align:center;color:var(--ink-faint);font-size:.85rem;margin-top:30px;padding-top:18px;border-top:1px solid var(--line)}

/* Page (legal etc.) */
.page{max-width:800px;margin:0 auto;padding:40px 20px}
.page h1{font-size:2rem;font-weight:800;margin-bottom:8px}
.page .updated{color:var(--ink-faint);font-size:.88rem;margin-bottom:24px}
.page h2{font-size:1.3rem;font-weight:700;margin:26px 0 8px}
.page p,.page li{color:#334155;margin-bottom:10px}
.page ul{margin:0 0 12px 22px}

.contact-card{border:1px solid var(--line);border-radius:var(--radius);padding:24px;margin-top:18px;background:var(--bg-soft)}