:root{--ink:#111827;--muted:#667085;--line:#e5e7eb;--soft:#f7f8fb;--brand:#635bff;--brand2:#4d46dc;--good:#067647;--danger:#b42318;--max:1160px}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color:var(--ink);background:#fff}a{color:inherit}.nav{height:72px;border-bottom:1px solid var(--line);background:rgba(255,255,255,.94);position:sticky;top:0;z-index:20;backdrop-filter:blur(12px)}.nav-inner{max-width:var(--max);height:100%;padding:0 22px;margin:auto;display:flex;align-items:center;gap:30px}.brand{font-weight:850;text-decoration:none;font-size:20px;letter-spacing:-.03em;display:flex;align-items:center;gap:9px}.brand-mark{width:35px;height:35px;border-radius:11px;background:var(--brand);color:#fff;display:grid;place-items:center;font-weight:900}.menu{display:flex;gap:6px;flex:1}.menu a{text-decoration:none;color:#475467;font-size:14px;font-weight:650;padding:9px 11px;border-radius:9px}.menu a:hover,.menu a.active{background:#f2f1ff;color:var(--brand)}.nav-note{font-size:12px;color:#475467;background:#f2f4f7;padding:8px 11px;border-radius:99px}.hero{text-align:center;padding:68px 20px 44px;background:radial-gradient(circle at 50% 0,#eeedff 0,transparent 42%),linear-gradient(#fafaff,#fff)}.eyebrow{font-size:12px;font-weight:850;letter-spacing:.12em;color:var(--brand);margin-bottom:13px}.hero h1{margin:0;font-size:clamp(39px,5.7vw,64px);line-height:1.02;letter-spacing:-.055em}.lead{max-width:710px;margin:18px auto 30px;color:var(--muted);font-size:17px;line-height:1.65}.tool-card{max-width:760px;margin:auto;background:#fff;border:1px solid var(--line);border-radius:22px;padding:16px;box-shadow:0 24px 70px rgba(16,24,40,.09);text-align:left}.drop-zone{border:2px dashed #cfd4dc;border-radius:16px;padding:48px 24px;text-align:center;cursor:pointer;transition:.2s;outline:none}.drop-zone:hover,.drop-zone.drag{border-color:var(--brand);background:#faf9ff}.upload-icon{width:55px;height:55px;border-radius:17px;margin:0 auto 14px;background:#efefff;color:var(--brand);display:grid;place-items:center;font-size:25px;font-weight:900}.drop-zone h2,.working h2,.result h2{margin:0 0 7px;font-size:22px}.drop-zone p,.working p,.result p{margin:0 0 19px;color:var(--muted)}button{font:inherit}.primary{border:0;border-radius:11px;background:var(--brand);color:#fff;font-weight:780;padding:13px 21px;cursor:pointer}.primary:hover{background:var(--brand2)}.secondary{border:1px solid var(--line);border-radius:11px;background:#fff;font-weight:700;padding:13px 21px;cursor:pointer}.full{width:100%;margin-top:13px}.hint{display:block;margin-top:14px;color:var(--muted);font-size:12px}.hidden{display:none!important}.file-panel{padding:4px}.file-row{display:flex;align-items:center;gap:13px;padding:14px 15px;border-radius:13px;background:var(--soft);margin-bottom:10px}.pdf-icon{width:43px;height:47px;border-radius:8px;background:#ef4444;color:#fff;display:grid;place-items:center;font-size:10px;font-weight:900}.file-meta{min-width:0;flex:1;display:flex;flex-direction:column}.file-meta strong{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.file-meta span{font-size:12px;color:var(--muted);margin-top:3px}.icon-btn{border:0;background:transparent;font-size:25px;color:var(--muted);cursor:pointer}.file-panel fieldset{border:0;padding:14px 0 0;margin:0}.file-panel legend{font-weight:800;margin-bottom:8px}.quality-option{display:flex;gap:11px;align-items:flex-start;border:1px solid var(--line);padding:13px;border-radius:12px;margin-top:8px;cursor:pointer}.quality-option:has(input:checked){border-color:#b9b4ff;background:#faf9ff}.quality-option input{margin-top:4px}.quality-option span{display:flex;flex:1;flex-direction:column;gap:3px}.quality-option small{font-size:12px;color:var(--muted);line-height:1.4}.quality-option em{font-style:normal;font-size:10px;color:var(--brand);background:#eeeeff;padding:4px 6px;border-radius:99px}.working,.result{text-align:center;padding:55px 23px}.spinner{width:44px;height:44px;border:4px solid #e7e7f7;border-top-color:var(--brand);border-radius:50%;margin:0 auto 17px;animation:spin 1s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.success-mark{width:52px;height:52px;border-radius:50%;display:grid;place-items:center;background:#ecfdf3;color:var(--good);margin:0 auto 16px;font-size:25px;font-weight:900}.result-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;margin:22px 0}.result-stats>div{background:var(--soft);padding:13px;border-radius:11px}.result-stats span{font-size:11px;color:var(--muted);display:block;margin-bottom:4px}.result-stats strong{font-size:16px}.error-panel{margin-top:13px;background:#fff1f0;color:var(--danger);padding:12px 14px;border-radius:10px;font-size:13px}.trust-row{display:flex;justify-content:center;gap:20px;flex-wrap:wrap;margin-top:20px;color:#667085;font-size:12px}.input-group{padding:8px 2px 2px}.input-group label{font-weight:780;font-size:14px;display:block;margin:11px 0 7px}.text-input{width:100%;border:1px solid #d0d5dd;border-radius:11px;padding:13px 14px;font:inherit;outline:none}.text-input:focus{border-color:var(--brand);box-shadow:0 0 0 3px #eeedff}.multi-list{display:flex;flex-direction:column;gap:8px;margin-top:11px}.multi-list .file-row{margin:0}.section{max-width:1000px;margin:auto;padding:66px 22px}.section h2{text-align:center;font-size:33px;letter-spacing:-.035em;margin:0 0 13px}.section-intro{max-width:760px;margin:0 auto 34px;text-align:center;color:var(--muted);line-height:1.7}.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:15px}.card{border:1px solid var(--line);border-radius:16px;padding:22px}.card h3{margin:9px 0 7px}.card p{margin:0;color:var(--muted);line-height:1.55;font-size:14px}.num{width:30px;height:30px;display:grid;place-items:center;border-radius:9px;background:#efefff;color:var(--brand);font-weight:850}.tools-grid{max-width:var(--max);padding:22px 22px 70px;margin:auto;display:grid;grid-template-columns:repeat(3,1fr);gap:13px}.tool-link{border:1px solid var(--line);border-radius:14px;padding:18px;text-decoration:none;transition:.18s}.tool-link:hover{border-color:#b9b4ff;transform:translateY(-2px);box-shadow:0 10px 25px rgba(16,24,40,.06)}.tool-link b{display:block;margin-bottom:5px}.tool-link span{font-size:13px;color:var(--muted)}.legal{max-width:850px;margin:auto;padding:60px 22px 90px;line-height:1.7}.legal h1{font-size:42px;letter-spacing:-.04em}.legal h2{margin-top:34px}.legal p,.legal li{color:#475467}.footer{border-top:1px solid var(--line)}.footer-inner{max-width:var(--max);margin:auto;padding:28px 22px;display:flex;justify-content:space-between;gap:20px;color:var(--muted);font-size:12px}.footer a{margin-left:14px;color:var(--muted)}@media(max-width:760px){.nav{height:auto}.nav-inner{min-height:64px;flex-wrap:wrap;padding-top:10px;padding-bottom:10px}.menu{order:3;width:100%;overflow:auto}.nav-note{display:none}.hero{padding-top:50px}.tool-card{padding:10px}.drop-zone{padding:38px 15px}.cards,.tools-grid{grid-template-columns:1fr}.result-stats{grid-template-columns:1fr}.footer-inner{flex-direction:column}.hero h1{font-size:43px}}
.content-section{max-width:900px;margin:0 auto;padding-top:10px}.content-section p{line-height:1.8;color:var(--muted);font-size:1rem}.content-section a{font-weight:700}.faq{max-width:900px;margin:0 auto}.faq details{background:#fff;border:1px solid var(--border);border-radius:14px;padding:16px 18px;margin:12px 0}.faq summary{font-weight:750;cursor:pointer}.faq details p{color:var(--muted);line-height:1.7;margin:12px 0 0}.home-grid{max-width:980px;margin:30px auto 0}.home-grid .featured{transform:translateY(-2px)}

/* ===== v3.3 POLISH ===== */

/* Brand/logo */
.brand{gap:10px;white-space:nowrap}
.brand-mark{width:38px;height:38px;border-radius:12px;display:grid;place-items:center;overflow:hidden;background:linear-gradient(135deg,#825fff,#20c7ff);box-shadow:0 9px 24px rgba(96,73,255,.32);flex:0 0 auto}
.brand-mark svg{width:28px;height:28px;display:block}
.logo-page{fill:#fff}
.logo-fold,.logo-line{fill:none;stroke:#6750e8;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}

/* Header refinement */
.nav{background:rgba(10,16,31,.91);border-bottom-color:rgba(255,255,255,.075)}
.nav-inner{gap:25px}
.menu{gap:4px}
.menu a{padding:9px 13px}
.nav-note{border:1px solid rgba(255,255,255,.09);box-shadow:inset 0 1px rgba(255,255,255,.04)}

/* Hero tighter + richer */
.hero{padding-top:72px;padding-bottom:48px;background:radial-gradient(circle at 14% 5%,rgba(109,77,255,.38),transparent 29%),radial-gradient(circle at 88% 8%,rgba(0,195,255,.23),transparent 30%),linear-gradient(145deg,#12172d 0%,#0b1629 50%,#081a2c 100%)}
.hero h1{max-width:930px;margin-left:auto;margin-right:auto;text-wrap:balance}
.hero .lead{text-wrap:balance;margin-bottom:28px}

/* Homepage tool cards */
.tools-grid.home-grid{padding:0;gap:18px}
.tools-grid.home-grid .tool-link{display:flex;flex-direction:column;align-items:flex-start;justify-content:flex-end;min-height:190px;padding:25px 25px 23px;border:1px solid rgba(255,255,255,.19);box-shadow:0 24px 54px rgba(0,0,0,.24);isolation:isolate}
.tools-grid.home-grid .tool-link::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(255,255,255,.05),transparent 42%,rgba(0,0,0,.09));pointer-events:none;z-index:-1}
.tools-grid.home-grid .tool-link b{color:#fff!important;font-size:23px!important;letter-spacing:-.025em;margin:13px 0 7px!important;text-shadow:0 1px 8px rgba(0,0,0,.16)}
.tools-grid.home-grid .tool-link span:not(.tool-icon){color:rgba(255,255,255,.88)!important;font-size:13.5px!important;line-height:1.55;max-width:270px}
.tools-grid.home-grid .tool-link:nth-child(2) b,.tools-grid.home-grid .tool-link:nth-child(2) span:not(.tool-icon){color:#fff!important}
.tools-grid.home-grid .tool-link:nth-child(2){background:radial-gradient(circle at 85% 10%,rgba(115,146,195,.35),transparent 32%),linear-gradient(140deg,#171f32 0%,#26344b 55%,#44536a 100%)}
.tool-icon{width:48px;height:48px;border-radius:14px;display:grid!important;place-items:center;background:rgba(255,255,255,.16);border:1px solid rgba(255,255,255,.18);box-shadow:inset 0 1px rgba(255,255,255,.15),0 12px 25px rgba(0,0,0,.12);backdrop-filter:blur(8px)}
.tool-icon svg{width:27px;height:27px;fill:none;stroke:#fff;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}
.tools-grid.home-grid .tool-link:hover .tool-icon{transform:translateY(-2px) rotate(-2deg);transition:.18s ease;background:rgba(255,255,255,.22)}

/* Reduce excessive vertical whitespace */
.section{padding-top:58px;padding-bottom:58px}
.content-section{padding-top:16px;padding-bottom:45px}
.faq{padding-top:46px;padding-bottom:52px}
.section+.section{margin-top:0}

/* Steps cards richer */
.cards .card{position:relative;overflow:hidden}
.cards .card::after{content:"";position:absolute;width:90px;height:90px;border-radius:50%;right:-44px;top:-44px;background:radial-gradient(circle,rgba(124,92,255,.11),transparent 68%)}
.cards .card:hover{border-color:#d8d3ff}

/* FAQ section feels deliberate rather than floating */
section.faq{max-width:960px;background:linear-gradient(145deg,#f3f1ff 0%,#f5f9ff 48%,#effbff 100%);border:1px solid #e1e5f0;border-radius:26px;padding-left:30px;padding-right:30px;margin-bottom:68px;box-shadow:0 22px 55px rgba(15,23,42,.055)}
section.faq h2{margin-bottom:24px}
.faq details{border-color:#e1e5ee;box-shadow:0 8px 22px rgba(15,23,42,.045)}
.faq details[open]{border-color:#cfcaff;box-shadow:0 12px 30px rgba(81,61,190,.08)}

/* Tool pages: cleaner card and supporting sections */
.tool-card{border-color:rgba(255,255,255,.5)}
.content-section{background:#fff;border:1px solid #e8ebf2;border-radius:22px;padding:34px 38px;margin-bottom:12px;box-shadow:0 14px 40px rgba(15,23,42,.045)}
.content-section h2:first-child{margin-top:0}

/* Footer */
.footer{background:radial-gradient(circle at 15% 0,rgba(103,80,232,.16),transparent 24%),linear-gradient(180deg,#0d1527,#080f1d)}
.footer-inner{min-height:88px;align-items:center}
.footer a{padding:6px 0;border-bottom:1px solid transparent}
.footer a:hover{border-bottom-color:rgba(255,255,255,.45)}

/* Mobile navigation polish */
@media(max-width:760px){
  .nav-inner{gap:10px}
  .brand{font-size:19px}
  .brand-mark{width:35px;height:35px}
  .menu{order:3;width:100%;padding:5px;background:rgba(255,255,255,.055);border:1px solid rgba(255,255,255,.07);border-radius:12px;display:grid;grid-template-columns:repeat(3,1fr);gap:3px;overflow:visible}
  .menu a{text-align:center;padding:9px 6px;font-size:12px}
  .hero{padding-top:46px;padding-bottom:38px}
  .hero h1{font-size:39px}
  .tools-grid.home-grid{gap:12px}
  .tools-grid.home-grid .tool-link{min-height:160px;padding:21px}
  section.faq{border-radius:20px;margin-left:12px;margin-right:12px;padding-left:17px;padding-right:17px;margin-bottom:45px}
  .content-section{border-radius:18px;margin-left:12px;margin-right:12px;padding:26px 20px}
  .section{padding-top:46px;padding-bottom:46px}
  .footer-inner{min-height:0}
}
/* ===== end v3.3 POLISH ===== */

/* ===== v3.4 TOOL CARD CONTRAST FIX + v4 ===== */
.tool-card,.tool-card *{color:var(--ink)}
.tool-card .hint,.tool-card small,.tool-card .file-meta span,.tool-card .quality-option small,.tool-card p{color:var(--muted)}
.file-meta strong{color:#111827!important;font-size:16px;font-weight:800}
.file-row{background:#f8fafc;border:1px solid #e2e8f0}
.quality-option b{color:#0f172a!important;font-size:17px;font-weight:800}
.quality-option small{color:#64748b!important;font-size:13px}
.quality-option:has(input:checked) b{color:#4f36e8!important}
.quality-option em{color:#5b3df5!important}
.file-panel fieldset{margin-top:8px}.file-panel legend{color:#0f172a!important;font-size:15px;font-weight:850}.icon-btn{color:#64748b!important}.icon-btn:hover{color:#0f172a!important}.tool-card{padding:20px}.file-panel{padding:0}.quality-option{min-height:84px;align-items:center;padding:16px 18px}.primary.full{min-height:60px;font-size:18px;letter-spacing:-.01em}

/* v4 tool collection */
.all-tools{max-width:1160px;margin:0 auto;padding:32px 22px 68px}.all-tools h2{text-align:center;font-size:34px;letter-spacing:-.035em;margin:0 0 12px}.all-tools .section-intro{margin-bottom:28px}.all-tools-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}.all-tools-grid .tool-link{background:linear-gradient(180deg,#fff,#f8faff);min-height:128px;display:flex;flex-direction:column;justify-content:center}.all-tools-grid .tool-link b{font-size:18px}.all-tools-grid .tool-link:nth-child(4n+1){border-top:3px solid #7c5cff}.all-tools-grid .tool-link:nth-child(4n+2){border-top:3px solid #16a3c7}.all-tools-grid .tool-link:nth-child(4n+3){border-top:3px solid #0f766e}.all-tools-grid .tool-link:nth-child(4n){border-top:3px solid #f59e0b}
.option-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin:14px 0}.option-btn{border:1px solid #dbe1ea;background:#fff;border-radius:13px;padding:14px;text-align:center;cursor:pointer;font-weight:800;color:#0f172a}.option-btn:has(input:checked){border-color:#a99fff;background:#f4f1ff;color:#4f36e8;box-shadow:0 8px 24px rgba(91,61,245,.08)}.option-btn input{margin-right:7px}.field-label{display:block;font-weight:800;color:#0f172a;margin:14px 0 7px}.helper{font-size:12px;color:#64748b;margin-top:7px}.mini-note{background:#f8fafc;border:1px solid #e5e7eb;padding:12px 14px;border-radius:12px;color:#475467;font-size:13px;line-height:1.55;margin-top:12px}.result p{color:#64748b!important}.multi-list .file-row{padding-right:12px}.image-icon{width:43px;height:47px;border-radius:8px;background:linear-gradient(135deg,#0ea5e9,#6366f1);color:#fff;display:grid;place-items:center;font-size:10px;font-weight:900}.zip-icon{width:52px;height:52px;border-radius:15px;background:#eef2ff;color:#4f46e5;display:grid;place-items:center;margin:0 auto 15px;font-weight:900}
@media(max-width:900px){.all-tools-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:760px){.all-tools-grid,.option-grid{grid-template-columns:1fr}.all-tools{padding-left:14px;padding-right:14px}.menu{grid-template-columns:repeat(3,1fr)}}

/* ===== v4.1/v4.2 live fixes carried into v5 ===== */
.hero h1,.hero .eyebrow,.hero .lead,.hero .trust-row span,.nav .brand,.nav .menu a,.nav .nav-note{opacity:1!important;visibility:visible!important}
.hero h1{color:#fff!important;text-shadow:0 4px 20px rgba(0,0,0,.22)}
.hero .eyebrow{color:#eef2ff!important;background:rgba(255,255,255,.10)!important;border:1px solid rgba(255,255,255,.14)!important}
.hero .lead{color:#dbe4f0!important}.nav .brand{color:#fff!important}.nav .menu a{color:#d6deea!important}.nav .menu a:hover,.nav .menu a.active{color:#fff!important}
.nav .nav-note{color:#fff!important;background:rgba(255,255,255,.12)!important;border:1px solid rgba(255,255,255,.22)!important;box-shadow:0 4px 14px rgba(0,0,0,.18);font-weight:650}
.home-grid .tool-link b{color:#fff!important}.home-grid .tool-link span{color:rgba(255,255,255,.88)!important}.hero .tool-link,.hero .tool-link *{color:#fff}
.tool-card,.tool-card *{color:var(--ink)}.tool-card .hint,.tool-card small,.tool-card .file-meta span,.tool-card .quality-option small,.tool-card p{color:var(--muted)}
.file-meta strong{color:#111827!important;font-size:16px;font-weight:800}.file-row{background:#f8fafc;border:1px solid #e2e8f0}.quality-option b{color:#0f172a!important;font-size:17px;font-weight:800}.quality-option small{color:#64748b!important;font-size:13px}.quality-option:has(input:checked) b{color:#4f36e8!important}.quality-option em{color:#5b3df5!important}.file-panel legend{color:#0f172a!important}.icon-btn{color:#64748b!important}

/* v5 utility controls */
.select-input{width:100%;border:1px solid #d0d5dd;border-radius:11px;padding:13px 14px;background:#fff;font:inherit;color:#0f172a;outline:none}.select-input:focus{border-color:var(--brand);box-shadow:0 0 0 3px #eeedff}
.option-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;margin-top:12px}.option-grid .input-group{padding:0}.helper-box{margin-top:14px;padding:13px 15px;background:#f8fafc;border:1px solid #e7eaf2;border-radius:12px;color:#64748b;font-size:13px;line-height:1.55}.tool-badge{display:inline-flex;align-items:center;gap:6px;padding:6px 9px;border-radius:999px;background:#f0edff;color:#5b3df5;font-size:11px;font-weight:800;margin-bottom:10px}
@media(max-width:760px){.option-grid{grid-template-columns:1fr}}