/* style.css — UtilArea v2 */
:root {
    --primary-color: #4361ee;
    --secondary-color: #3a0ca3;
    --accent-color: #4cc9f0;
    --light-color: #f8f9fa;
    --dark-color: #212529;
    --success-color: #2ec4b6;
    --warning-color: #ff9f1c;
    --danger-color: #e71d36;
    --body-bg-start: #1a2a6c;
    --body-bg-end: #b21f1f;
}
*{margin:0;padding:0;box-sizing:border-box;font-family:'Segoe UI',Tahoma,Geneva,Verdana,sans-serif}
html{scroll-behavior:smooth}
body{background:linear-gradient(135deg,var(--body-bg-start),var(--body-bg-end),var(--body-bg-start));background-size:400% 400%;animation:gradientBG 15s ease infinite;color:#333;line-height:1.6;min-height:100vh;display:flex;flex-direction:column}
@keyframes gradientBG{0%{background-position:0% 50%}50%{background-position:100% 50%}100%{background-position:0% 50%}}
.container{max-width:1200px;margin:0 auto;padding:0 15px}
/* Header */
header{background:rgba(10,25,47,.88);color:white;padding:.85rem 0;box-shadow:0 2px 15px rgba(0,0,0,.3);position:sticky;top:0;z-index:200;backdrop-filter:blur(12px)}
.header-content{display:flex;justify-content:space-between;align-items:center;gap:8px;flex-wrap:wrap}
.logo{font-size:1.8rem;font-weight:bold;display:flex;align-items:center;color:white;text-shadow:0 0 10px rgba(79,195,247,.7);text-decoration:none}
.logo i{margin-right:10px;color:var(--accent-color);animation:pulse 2s infinite}
@keyframes pulse{0%,100%{transform:scale(1)}50%{transform:scale(1.1)}}
/* Desktop nav */
.main-nav{display:flex;gap:5px;flex-wrap:wrap;align-items:center}
.nav-link{color:#ccc;text-decoration:none;padding:7px 12px;border-radius:6px;transition:all .3s;font-weight:500;font-size:13.5px;position:relative;white-space:nowrap}
.nav-link:hover{color:white}
.nav-link::after{content:'';position:absolute;width:0;height:2px;bottom:0;left:50%;transform:translateX(-50%);background:var(--accent-color);transition:width .3s}
.nav-link:hover::after,.nav-link.active::after{width:100%}
.nav-link.active{color:white;font-weight:600}
/* Hamburger */
.hamburger{display:none;background:none;border:2px solid rgba(255,255,255,.35);color:white;padding:7px 11px;border-radius:6px;cursor:pointer;font-size:1.1rem;transition:all .2s}
.hamburger:hover{border-color:var(--accent-color);color:var(--accent-color)}
.mobile-nav{display:none;width:100%;background:rgba(10,25,47,.97);padding:10px;border-radius:8px;margin-top:8px;flex-direction:column;gap:3px}
.mobile-nav.open{display:flex}
.mobile-nav .nav-link{padding:11px 14px;border-radius:6px;font-size:15px}
.mobile-nav .nav-link:hover,.mobile-nav .nav-link.active{background:rgba(67,97,238,.2);color:white}
/* Main */
main{padding:38px 0;flex-grow:1}
/* Hero */
.hero{display:flex;align-items:center;justify-content:space-between;color:white;padding:52px 36px;background:rgba(0,0,0,.26);backdrop-filter:blur(6px);border-radius:16px;margin-bottom:46px;gap:30px;border:1px solid rgba(255,255,255,.07)}
.hero-text{flex:1;max-width:55%}
.hero-text h1{font-size:2.9rem;margin-bottom:18px;text-shadow:0 2px 8px rgba(0,0,0,.7);line-height:1.22}
.hero-text p{font-size:1.15rem;color:#eee;margin-bottom:28px}
.hero-btn{font-size:1.08rem;padding:14px 30px}
.hero-image{flex:1;max-width:42%}
.hero-image img{width:100%;height:auto;border-radius:14px;box-shadow:0 10px 40px rgba(0,0,0,.5)}
.hero-stats{display:flex;gap:22px;margin-top:26px;flex-wrap:wrap}
.hero-stat{text-align:center}
.hero-stat-num{font-size:1.65rem;font-weight:800;color:var(--accent-color);display:block;line-height:1}
.hero-stat-lbl{font-size:.76rem;color:rgba(255,255,255,.68);margin-top:2px}
.section-title{text-align:center;font-size:2.2rem;color:white;margin-bottom:28px;text-shadow:0 2px 5px rgba(0,0,0,.5)}
/* Tool grid */
.tool-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(285px,1fr));gap:22px}
.tool-showcase-card{background:rgba(255,255,255,.98);border-radius:14px;padding:26px 20px;box-shadow:0 8px 28px rgba(0,0,0,.17);transition:all .3s;text-decoration:none;color:var(--dark-color);display:flex;flex-direction:column;border:1px solid rgba(0,0,0,.07);position:relative;overflow:hidden}
.tool-showcase-card::before{content:'';position:absolute;top:0;left:0;right:0;height:3px;background:linear-gradient(90deg,var(--primary-color),var(--accent-color));opacity:0;transition:opacity .3s}
.tool-showcase-card:hover{transform:translateY(-8px);box-shadow:0 18px 44px rgba(67,97,238,.26)}
.tool-showcase-card:hover::before{opacity:1}
.card-icon{font-size:2.2rem;width:64px;height:64px;line-height:64px;text-align:center;border-radius:50%;background:linear-gradient(135deg,var(--primary-color),var(--accent-color));color:white;margin-bottom:16px;align-self:center}
.tool-showcase-card h2{font-size:1.28rem;color:var(--secondary-color);margin-bottom:8px;text-align:center}
.tool-showcase-card p{font-size:.93rem;color:#555;line-height:1.55;flex-grow:1;text-align:center}
.card-link{margin-top:16px;color:var(--primary-color);font-weight:bold;text-align:center;transition:color .3s;font-size:.88rem}
.tool-showcase-card:hover .card-link{color:var(--secondary-color)}
.badge-new{position:absolute;top:10px;right:10px;background:linear-gradient(135deg,#f72585,#b5179e);color:white;font-size:.63rem;font-weight:700;padding:2px 8px;border-radius:20px;text-transform:uppercase;letter-spacing:.5px}
/* Tab content */
.tab-content{display:block;padding:20px;background:rgba(255,255,255,.96);border-radius:14px;box-shadow:0 10px 30px rgba(0,0,0,.2);margin-bottom:24px;animation:fadeIn .4s ease}
@keyframes fadeIn{from{opacity:0;transform:translateY(12px)}to{opacity:1;transform:translateY(0)}}
.tool-card{background:white;border-radius:12px;padding:22px;margin-bottom:22px;box-shadow:0 4px 14px rgba(0,0,0,.08)}
.tool-card h2{margin-bottom:14px;color:var(--primary-color);display:flex;align-items:center;font-size:1.52rem}
.tool-card h2 i{margin-right:12px;color:var(--accent-color);font-size:1.4rem}
.tool-card p{margin-bottom:14px;color:#555;font-size:.96rem}
/* Trust badge */
.trust-badge{display:inline-flex;align-items:center;gap:6px;background:rgba(46,196,182,.1);border:1px solid rgba(46,196,182,.3);color:#1a7a71;font-size:.79rem;padding:5px 12px;border-radius:20px;margin-bottom:15px}
/* Form */
.form-group{margin-bottom:15px}
.form-group label{display:block;margin-bottom:6px;font-weight:600;color:#333;font-size:.92rem}
.form-control{width:100%;padding:10px 12px;border:1px solid #ddd;border-radius:8px;font-size:16px;background:rgba(245,245,245,.8);transition:all .3s}
.form-control:focus{outline:none;border-color:var(--accent-color);box-shadow:0 0 0 3px rgba(79,195,247,.22);background:white}
/* Drop zone */
.drop-zone{border:2px dashed #c0c4d6;border-radius:12px;padding:34px 20px;text-align:center;transition:all .22s;cursor:pointer;background:#f8f9ff;position:relative}
.drop-zone:hover,.drop-zone.dragover{border-color:var(--primary-color);background:rgba(67,97,238,.04)}
.drop-zone i{font-size:2.4rem;color:#c0c4d6;margin-bottom:10px;display:block;transition:color .22s}
.drop-zone:hover i,.drop-zone.dragover i{color:var(--primary-color)}
.drop-zone p{color:#888;font-size:.91rem;margin:0}
.drop-zone strong{color:var(--primary-color)}
.drop-zone small{font-size:.77rem;color:#aaa;display:block;margin-top:4px}
/* Buttons */
.btn{display:inline-block;padding:10px 20px;background:linear-gradient(to right,var(--primary-color),var(--secondary-color));color:white;border:none;border-radius:8px;cursor:pointer;font-size:16px;font-weight:600;transition:all .3s;box-shadow:0 4px 6px rgba(0,0,0,.1);text-decoration:none;text-align:center}
.btn:hover{transform:translateY(-2px);box-shadow:0 6px 14px rgba(0,0,0,.15)}
.btn:active{transform:translateY(1px)}
.btn-block{display:block;width:100%}
.btn-success{background:linear-gradient(to right,var(--success-color),#1e7e34)}
.btn-warning{background:linear-gradient(to right,var(--warning-color),#d39e00)}
.btn-danger{background:linear-gradient(to right,var(--danger-color),#a71d2a)}
/* Preview */
.preview-container{margin:20px 0;text-align:center;padding:16px;background:rgba(240,240,240,.7);border-radius:10px;animation:fadeIn .6s ease}
.preview-image{max-width:100%;max-height:300px;border-radius:8px;box-shadow:0 5px 15px rgba(0,0,0,.1);border:1px solid #ddd;background:white;padding:5px}
.comparison-container{display:flex;gap:15px;flex-wrap:wrap;justify-content:center;margin:15px 0}
.image-comparison{flex:1;min-width:260px;text-align:center}
.image-comparison h4{margin-bottom:8px;color:var(--dark-color);font-size:1.05rem}
/* QR */
.qr-code{width:220px;height:220px;margin:0 auto;background:white;padding:12px;border-radius:8px;box-shadow:0 5px 15px rgba(0,0,0,.1);border:1px solid #ddd;position:relative}
.qr-icon-overlay,.qr-logo-overlay{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);width:40px;height:40px;background:white;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:1.4rem;box-shadow:0 2px 8px rgba(0,0,0,.2);overflow:hidden}
.qr-logo-overlay img{width:100%;height:100%;object-fit:cover;border-radius:50%}
/* File info */
.file-info{margin-top:12px;font-size:14px;color:#444;background:rgba(255,255,255,.8);padding:8px 12px;border-radius:8px;font-weight:500}
/* Quality bar */
.quality-bar{display:flex;align-items:center;margin:12px 0;gap:8px}
.quality-indicator{flex:1;height:6px;border-radius:3px;background:#e0e0e0;overflow:hidden}
.quality-fill{height:100%;background:linear-gradient(to right,#e71d36,#ff9f1c,#2ec4b6)}
.quality-labels{display:flex;justify-content:space-between;margin-top:3px;font-size:11px;color:#666}
/* Footer */
footer{background:rgba(10,25,47,.92);color:white;padding:28px 0 14px;margin-top:30px}
.footer-content{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:24px}
.footer-section h3{margin-bottom:13px;font-size:1.12rem;color:var(--accent-color);position:relative;padding-bottom:7px}
.footer-section h3::after{content:'';position:absolute;bottom:0;left:0;width:36px;height:3px;background:var(--accent-color);border-radius:3px}
.footer-section ul{list-style:none}
.footer-section ul li{margin-bottom:7px}
.footer-section ul li a{color:#ccc;text-decoration:none;transition:all .3s;font-size:.93rem;display:block;padding:3px 0}
.footer-section ul li a:hover{color:white;transform:translateX(4px)}
.social-icons{display:flex;gap:11px;margin-top:13px}
.social-icons a{display:flex;align-items:center;justify-content:center;width:38px;height:38px;background:rgba(255,255,255,.1);color:white;font-size:1.1rem;transition:all .3s;border-radius:50%}
.social-icons a:hover{background:var(--accent-color);transform:translateY(-4px)}
.copyright{text-align:center;margin-top:26px;padding-top:16px;border-top:1px solid rgba(255,255,255,.1);color:#aaa;font-size:13px}
/* Loader */
.loader{display:none;border:4px solid rgba(79,195,247,.2);border-top:4px solid var(--accent-color);border-radius:50%;width:40px;height:40px;animation:spin 1s linear infinite;margin:26px auto}
@keyframes spin{0%{transform:rotate(0deg)}100%{transform:rotate(360deg)}}
/* File input */
.file-input-container{position:relative;overflow:hidden;display:inline-block;width:100%}
.file-input-container input[type="file"]{position:absolute;left:0;top:0;opacity:0;width:100%;height:100%;cursor:pointer}
.file-input-label{display:block;padding:10px 12px;background:linear-gradient(to right,var(--primary-color),var(--secondary-color));color:white;text-align:center;border-radius:8px;cursor:pointer;font-weight:600;transition:all .3s;font-size:15px}
.file-input-label:hover{opacity:.9}
/* Progress */
.progress-container{width:100%;height:7px;background:#e0e0e0;border-radius:4px;margin:12px 0;overflow:hidden;display:none}
.progress-bar{height:100%;background:linear-gradient(to right,var(--accent-color),var(--primary-color));width:0%;transition:width .4s ease}
.file-name{margin-top:7px;font-size:13px;color:#666;font-style:italic}
/* Messages */
.error-message{color:var(--danger-color);background:#fff0f0;padding:10px 12px;border-radius:8px;margin:8px 0;display:none;font-size:14px;border-left:3px solid var(--danger-color)}
.success-message{background:#edfaf7;color:#0d5c4a;padding:12px;border-radius:8px;margin:12px 0;display:none;text-align:center;font-weight:500;font-size:14px;border-left:3px solid var(--success-color)}
.info-message{background:#eef4ff;color:#2b4ac4;padding:10px 12px;border-radius:8px;margin:8px 0;font-size:13px;border-left:3px solid var(--primary-color)}
/* Internal tabs */
.tabs-internal{display:flex;flex-wrap:wrap;margin-bottom:15px;border-bottom:2px solid #e8eaf0;gap:4px;overflow-x:auto;padding-bottom:0}
.tab-internal-btn{padding:9px 15px;background:#f3f4f9;border:none;cursor:pointer;font-weight:600;color:#666;border-bottom:3px solid transparent;transition:all .25s;border-radius:8px 8px 0 0;font-size:13.5px;flex-shrink:0;white-space:nowrap}
.tab-internal-btn:hover{background:#e8eaf0;color:#333}
.tab-internal-btn.active{background:var(--primary-color);color:white;border-bottom:3px solid var(--accent-color)}
.tab-internal-content{display:none;padding:16px 0}
.tab-internal-content.active{display:block}
/* SEO section */
.seo-content{background:rgba(255,255,255,.96);border-radius:12px;padding:22px;margin:20px 0;box-shadow:0 5px 15px rgba(0,0,0,.08)}
.seo-content h2{color:var(--secondary-color);font-size:1.28rem;margin-bottom:10px}
.seo-content h3{color:#333;font-size:1.08rem;margin:14px 0 6px}
.seo-content p{color:#555;font-size:.93rem;margin-bottom:10px}
.highlight{background:linear-gradient(135deg,rgba(67,97,238,.06),rgba(76,201,240,.06));border-left:4px solid var(--primary-color);padding:12px 16px;border-radius:0 8px 8px 0;margin:14px 0}
/* Compresor */
.quality-selector{display:flex;flex-direction:column;gap:10px;margin:15px 0}
.quality-option{display:flex;align-items:center;padding:12px 15px;border:2px solid #ddd;border-radius:8px;cursor:pointer;transition:all .25s}
.quality-option:hover{border-color:#bbb;background:#f9f9f9}
.quality-option.active{border-color:var(--primary-color);background:rgba(67,97,238,.05)}
.quality-option input[type="radio"]{margin-right:12px;flex-shrink:0}
.quality-description{font-size:.82rem;color:#666;margin-left:auto;padding-left:10px;text-align:right}
.format-toggle-container{margin:15px 0}
.format-toggle{display:flex;background:#e9ecef;border-radius:30px;padding:5px}
.format-option{flex:1;text-align:center;padding:10px 5px;cursor:pointer;font-weight:600;color:#6c757d;transition:all .3s;border-radius:25px;font-size:14px}
.format-toggle input[type="radio"]{display:none}
.format-toggle input[type="radio"]:checked+.format-option{color:white;background:var(--primary-color);box-shadow:0 3px 8px rgba(0,0,0,.15)}
.format-info{text-align:center;margin-top:8px;font-size:13px;color:#666;font-weight:500}
/* PDF tool */
.pdf-preview-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(108px,1fr));gap:12px;margin-top:14px;padding:12px;background:#f2f3f7;border-radius:10px;min-height:120px}
.pdf-page-item{position:relative;border:2px solid #ccc;border-radius:8px;overflow:hidden;background:white;box-shadow:0 2px 6px rgba(0,0,0,.1);cursor:grab;transition:transform .15s,box-shadow .15s;user-select:none}
.pdf-page-item:hover{transform:translateY(-2px);box-shadow:0 6px 14px rgba(0,0,0,.18)}
.pdf-page-item.selected{border-color:var(--primary-color);box-shadow:0 0 0 3px rgba(67,97,238,.25)}
.pdf-page-item.dragging{opacity:.42}
.pdf-page-item canvas{width:100%;height:auto;display:block}
.page-number{position:absolute;bottom:0;left:0;right:0;background:rgba(0,0,0,.56);color:white;text-align:center;font-size:.68rem;padding:3px 2px;pointer-events:none;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
/* X remove button on PDF page items */
.pdf-page-remove{position:absolute;top:4px;right:4px;width:20px;height:20px;background:rgba(231,29,54,.88);color:white;border:none;border-radius:50%;font-size:11px;cursor:pointer;display:flex;align-items:center;justify-content:center;z-index:2;opacity:0;transition:opacity .2s;padding:0;line-height:1}
.pdf-page-item:hover .pdf-page-remove{opacity:1}
.pdf-preview-frame{width:100%;height:360px;border:1px solid #ddd;border-radius:8px;margin-top:10px}
.image-extract-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:14px;margin-top:12px}
.image-extract-item{border:1px solid #ddd;border-radius:10px;padding:10px;text-align:center;background:white;box-shadow:0 2px 6px rgba(0,0,0,.06)}
.image-extract-item img{width:100%;height:auto;border-radius:5px;margin-bottom:8px;max-height:120px;object-fit:cover}
/* Compress levels */
.compress-levels{display:flex;gap:10px;flex-wrap:wrap;margin:12px 0}
.compress-level-card{flex:1;min-width:130px;border:2px solid #ddd;border-radius:10px;padding:14px 10px;cursor:pointer;transition:all .2s;text-align:center}
.compress-level-card:hover{border-color:#aaa;background:#fafafa}
.compress-level-card.active{border-color:var(--primary-color);background:rgba(67,97,238,.05)}
.compress-level-card .level-icon{font-size:1.8rem;margin-bottom:6px}
.compress-level-card h5{margin:0 0 4px;font-size:.9rem;color:#333}
.compress-level-card small{color:#777;font-size:.75rem}
.pdf-stats{display:flex;gap:12px;flex-wrap:wrap;margin-top:12px}
.pdf-stat{flex:1;min-width:100px;background:#f6f7fc;border-radius:10px;padding:12px 10px;text-align:center;border:1px solid #e8eaf0}
.pdf-stat .stat-val{font-size:1.3rem;font-weight:700;color:var(--primary-color)}
.pdf-stat .stat-lbl{font-size:.74rem;color:#777;margin-top:2px}
.pdf-stat.reduction .stat-val{color:var(--success-color)}
.page-size-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;margin:8px 0}
.page-size-opt{border:2px solid #ddd;border-radius:8px;padding:10px 6px;text-align:center;cursor:pointer;transition:all .2s;font-size:.83rem}
.page-size-opt:hover{border-color:#aaa}
.page-size-opt.active{border-color:var(--primary-color);background:rgba(67,97,238,.06);color:var(--primary-color);font-weight:600}
.img-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(88px,1fr));gap:10px;margin-top:12px;min-height:100px;background:#f4f4f7;padding:10px;border-radius:8px}
.img-grid-item{position:relative;border:2px solid #ddd;border-radius:6px;overflow:hidden;cursor:grab;background:white}
.img-grid-item img{width:100%;height:78px;object-fit:cover;display:block}
.img-grid-item .img-del{position:absolute;top:2px;right:2px;width:20px;height:20px;background:rgba(231,29,54,.85);color:white;border:none;border-radius:50%;font-size:11px;cursor:pointer;display:flex;align-items:center;justify-content:center}
.img-grid-item .img-num{position:absolute;bottom:0;left:0;right:0;background:rgba(0,0,0,.5);color:white;font-size:.67rem;text-align:center;padding:1px}
/* Translator */
.translator-hero{background:linear-gradient(135deg,#1a2a6c,#3a0ca3);color:white;border-radius:12px;padding:22px;margin-bottom:18px;text-align:center}
.translator-hero h3{font-size:1.35rem;margin-bottom:7px}
.translator-hero p{font-size:.9rem;opacity:.86}
.lang-selector{display:flex;gap:10px;align-items:center;flex-wrap:wrap;margin:14px 0}
.lang-selector select{flex:1;min-width:140px}
.lang-arrow{font-size:1.4rem;color:var(--primary-color);font-weight:700;flex-shrink:0}
.translator-modes{display:flex;gap:10px;margin:12px 0}
.translator-mode-btn{flex:1;padding:10px;border:2px solid #ddd;border-radius:8px;background:white;cursor:pointer;text-align:center;transition:all .2s;font-weight:600;font-size:.87rem;color:#555}
.translator-mode-btn.active{border-color:var(--primary-color);background:rgba(67,97,238,.06);color:var(--primary-color)}
.translator-result{background:#f8f9ff;border:1px solid #e0e4f7;border-radius:10px;padding:16px;margin-top:14px}
.translator-result h4{color:var(--primary-color);margin-bottom:10px;font-size:1rem}
.translator-text-preview{max-height:280px;overflow-y:auto;font-size:.89rem;line-height:1.72;color:#333;white-space:pre-wrap}
/* Redimensionador presets */
.presets-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(128px,1fr));gap:8px;margin:12px 0}
.preset-btn{border:2px solid #ddd;border-radius:8px;padding:10px 8px;text-align:center;cursor:pointer;transition:all .2s;background:white;font-family:inherit}
.preset-btn:hover{border-color:var(--primary-color);background:rgba(67,97,238,.04)}
.preset-btn .preset-name{font-weight:700;font-size:.8rem;color:#333;display:block}
.preset-btn .preset-size{font-size:.7rem;color:#888;display:block;margin-top:2px}
/* Counter */
.counter-layout{display:flex;gap:20px;flex-wrap:wrap}
.text-area-container{flex:2;min-width:280px}
.stats-container{flex:1;min-width:230px;background:#f9f9f9;padding:15px;border-radius:10px}
.stats-container h3{margin-bottom:13px;color:var(--secondary-color);font-size:1rem}
.stat-item{display:flex;justify-content:space-between;padding:8px 0;border-bottom:1px solid #eee;font-size:.92rem}
.stat-item:last-child{border-bottom:none}
.stat-item span{color:#555}
.stat-item strong{color:var(--primary-color)}
.chronometer-container{margin-top:18px;padding-top:13px;border-top:1px solid #ddd}
.chrono-display{font-size:1.9rem;font-weight:bold;text-align:center;margin-bottom:10px;color:var(--dark-color)}
.chrono-buttons{display:flex;justify-content:center;gap:8px}
/* Password */
.password-display-container{display:flex;gap:10px;margin-bottom:14px}
#password-output{flex-grow:1;font-size:1.12rem;font-family:'Courier New',monospace;background:#f0f0f0;border:1px solid #ddd;padding:10px;border-radius:8px}
.password-settings{background:#f9f9f9;padding:15px;border-radius:10px;margin-top:14px}
.checkbox-group,.radio-group{display:grid;grid-template-columns:repeat(auto-fit,minmax(185px,1fr));gap:10px;margin-top:10px}
.checkbox-group label,.radio-group label{display:flex;align-items:center;gap:8px;cursor:pointer;font-size:.91rem}
/* FAQ */
.faq-item{border:1px solid #e8eaf0;border-radius:8px;margin-bottom:8px;overflow:hidden}
.faq-q{padding:13px 16px;cursor:pointer;font-weight:600;color:#333;display:flex;justify-content:space-between;align-items:center;background:#fafbff;transition:background .2s;font-size:.93rem}
.faq-q:hover{background:#f0f3ff}
.faq-q .faq-icon{color:var(--primary-color);transition:transform .3s;font-size:.8rem}
.faq-q.open .faq-icon{transform:rotate(180deg)}
.faq-a{display:none;padding:13px 16px;color:#555;font-size:.89rem;line-height:1.65;border-top:1px solid #e8eaf0}
.faq-a.open{display:block}
/* QR icons */
.icon-options{display:flex;gap:10px;flex-wrap:wrap;margin:10px 0}
.icon-option{width:44px;height:44px;display:flex;align-items:center;justify-content:center;border-radius:50%;background:#f0f0f0;cursor:pointer;font-size:1.25rem;transition:all .25s;border:2px solid transparent}
.icon-option:hover{border-color:#bbb;transform:scale(1.1)}
.icon-option.active{border-color:var(--primary-color);background:rgba(67,97,238,.1)}
.icon-option.facebook{color:#1877f2}.icon-option.whatsapp{color:#25d366}.icon-option.instagram{color:#c13584}.icon-option.twitter{color:#1da1f2}.icon-option.tiktok{color:#000}.icon-option.youtube{color:#ff0000}
.qr-design-options{display:flex;gap:10px;flex-wrap:wrap;margin:10px 0}
.design-option{flex:1;min-width:68px;padding:10px;border:2px solid #ddd;border-radius:8px;text-align:center;cursor:pointer;transition:all .25s;font-size:.81rem}
.design-option:hover{border-color:#aaa}
.design-option.active{border-color:var(--primary-color);background:rgba(67,97,238,.06);color:var(--primary-color)}
.design-option i{display:block;font-size:1.2rem;margin-bottom:4px}
.gif-preview{max-width:100%;border-radius:8px;box-shadow:0 5px 15px rgba(0,0,0,.15)}
.audio-player{width:100%;margin:10px 0}
/* Responsive */
@media(max-width:900px){.hamburger{display:block}.main-nav{display:none}}
@media(max-width:768px){
    .hero{flex-direction:column;text-align:center;padding:34px 18px}
    .hero-text,.hero-image{max-width:100%}
    .hero-text h1{font-size:2rem}
    .hero-stats{justify-content:center}
    .footer-content{grid-template-columns:1fr;gap:20px}
    .tool-card{padding:15px}
    .tab-content{padding:14px}
    .lang-selector{flex-direction:column}
    .lang-arrow{transform:rotate(90deg)}
    .pdf-preview-grid{grid-template-columns:repeat(auto-fill,minmax(88px,1fr))}
    .presets-grid{grid-template-columns:repeat(3,1fr)}
    .compress-levels{flex-direction:column}
    .translator-modes{flex-direction:column}
}
@media(max-width:480px){
    .logo{font-size:1.5rem}
    .section-title{font-size:1.7rem}
    .hero-text h1{font-size:1.72rem}
    .tool-showcase-card{padding:18px 14px}
    .presets-grid{grid-template-columns:repeat(2,1fr)}
    .pdf-stats{flex-direction:column}
    .tabs-internal{gap:2px}
    .tab-internal-btn{padding:8px 10px;font-size:12.5px}
}