/* ZentConvert V4 – Light Premium. No external fonts or assets required. */
:root{font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color:#15233c;background:#fff;font-synthesis:none}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0}a{text-decoration:none;color:inherit}button,input{font:inherit}button{cursor:pointer}[hidden]{display:none!important}.wrap{width:min(1160px,100%);margin-inline:auto;padding-inline:24px}header{background:rgba(255,255,255,.97);border-bottom:1px solid #e9edf5}.nav{height:78px;display:flex;align-items:center;gap:34px}.brand{font-size:22px;font-weight:850;letter-spacing:-.9px;display:inline-flex;align-items:center;white-space:nowrap}.brand>span:last-child{color:#2563eb}.brand-mark{display:inline-grid;place-items:center;width:35px;height:35px;margin-right:10px;background:#2563eb;color:white;border-radius:11px;font-size:20px;letter-spacing:0}.nav nav{display:flex;gap:28px;margin-left:auto;color:#53647d;font-size:14px;font-weight:550}.nav nav a:hover,.footer-links a:hover{color:#2563eb}.nav-cta{background:#eef4ff;color:#1c56c7;font-size:13px;font-weight:750;padding:11px 15px;border-radius:10px;white-space:nowrap}.nav-cta:hover{background:#dfeaff}.hero{position:relative;overflow:hidden;background:radial-gradient(ellipse at 50% 12%,#eaf2ff 0%,#f7faff 47%,#fff 80%);border-bottom:1px solid #f0f3f9}.hero:before,.hero:after{content:"";position:absolute;border:1px solid rgba(80,135,230,.10);border-radius:50%;width:670px;height:670px;top:-420px;left:calc(50% - 335px);pointer-events:none}.hero:after{width:940px;height:940px;top:-565px;left:calc(50% - 470px)}.hero-inner{position:relative;text-align:center;padding-top:90px;padding-bottom:76px}.eyebrow{display:inline-flex;align-items:center;gap:8px;padding:9px 14px;background:#fff;border:1px solid #dbe8ff;border-radius:999px;font-size:11px;font-weight:800;letter-spacing:1.3px;color:#2563eb;box-shadow:0 4px 18px rgba(37,99,235,.04)}.eyebrow-dot{width:7px;height:7px;border-radius:50%;background:#3b82f6}.hero h1{font-size:clamp(44px,6.1vw,76px);line-height:1.08;letter-spacing:-3.7px;margin:24px 0 20px;font-weight:850}.hero em{font-style:normal;color:#2563eb}.hero p{font-size:17px;line-height:1.75;max-width:580px;color:#61728b;margin:0 auto 29px}.hero-actions{display:flex;justify-content:center;align-items:center;gap:12px;flex-wrap:wrap}.primary{display:inline-flex;align-items:center;justify-content:center;gap:13px;border:0;border-radius:12px;background:#2563eb;color:white;padding:15px 22px;font-weight:750;font-size:14px;min-height:49px;box-shadow:0 7px 18px rgba(37,99,235,.17)}.primary:hover{background:#1d4ed8}.secondary{padding:14px 18px;font-weight:700;color:#3b4f6b;font-size:14px}.secondary:hover{color:#2563eb}.trust{margin-top:28px;display:flex;justify-content:center;gap:23px;flex-wrap:wrap;color:#66778d;font-size:12px}.trust span::first-letter{color:#2563eb}.tools{padding-top:73px;padding-bottom:85px}.section-head{display:flex;justify-content:space-between;align-items:end;gap:18px;margin-bottom:29px}.section-kicker{font-size:11px;letter-spacing:1.6px;font-weight:850;color:#2563eb}.section-head h2,.info h2{font-size:clamp(27px,3.5vw,36px);letter-spacing:-1.3px;margin:10px 0 8px;line-height:1.2}.section-head p{color:#697b91;margin:0;font-size:14px}.tool-count{border:1px solid #e4ebf5;background:#f8faff;border-radius:999px;padding:9px 13px;color:#60738f;font-size:12px;white-space:nowrap}.grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}.grid button{position:relative;display:flex;flex-direction:column;align-items:flex-start;gap:10px;text-align:left;border:1px solid #e4eaf3;background:#fff;border-radius:17px;min-height:190px;padding:23px;box-shadow:0 4px 18px rgba(27,56,100,.035);transition:transform .2s,border-color .2s,box-shadow .2s}.grid button:hover{transform:translateY(-3px);border-color:#9cbaff;box-shadow:0 15px 36px rgba(37,99,235,.11)}.tool-icon{display:grid;place-items:center;width:45px;height:45px;background:#eef4ff;color:#2563eb;border-radius:13px;margin-bottom:4px}.tool-icon svg{width:23px;height:23px}.grid strong{font-size:16px;font-weight:800;color:#1b2b43}.grid small{color:#738299;font-size:12.5px;line-height:1.55;max-width:260px}.tool-arrow{position:absolute;right:20px;top:25px;font-size:17px;color:#a2b3ca}.grid button:hover .tool-arrow{color:#2563eb}.convert{padding-bottom:80px;scroll-margin-top:24px}.convert-box{max-width:680px;margin:auto;border:1px solid #dce6f6;border-radius:23px;padding:36px;text-align:center;position:relative;background:linear-gradient(180deg,#f9fbff,#fff);box-shadow:0 18px 48px rgba(25,55,100,.07)}.convert-box h2{margin:12px 0 8px;letter-spacing:-.6px}.convert-box p{color:#63758f;line-height:1.6}.close{position:absolute;top:15px;right:17px;border:0;background:transparent;color:#52647c;font-size:19px;padding:8px}.drop{display:flex;align-items:center;flex-direction:column;gap:11px;border:2px dashed #a9c3f4;border-radius:16px;background:#fff;padding:30px 20px;margin:23px 0 15px;cursor:pointer}.drop strong{font-size:15px}.drop small{font-size:12px;color:#6c7d94}.upload-icon{display:grid;place-items:center;background:#edf4ff;border-radius:13px;width:48px;height:48px;color:#2563eb;font-size:30px}.drop input[type=file]{max-width:100%;width:100%;font-size:12px;color:#64748b}.drop input[type=file]::file-selector-button{background:#eef4ff;color:#2457b9;border:1px solid #d7e5ff;border-radius:9px;padding:10px 13px;margin-right:10px;font-weight:700;cursor:pointer}.drop input[type=file]::file-selector-button:hover{background:#dce9ff}#chosen{font-size:12px;color:#52647c;overflow-wrap:anywhere;margin-bottom:12px}#submit{width:100%}#submit:disabled{opacity:.6;cursor:wait}.status{min-height:20px;font-size:13px;overflow-wrap:anywhere}.how-section{background:#f7faff;border-top:1px solid #edf2fa;border-bottom:1px solid #edf2fa}.info{padding-top:76px;padding-bottom:80px}.centered{display:block;text-align:center}.info h2{text-align:center}.steps{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px;margin-top:33px}.steps>div{background:#fff;border:1px solid #e5ebf5;border-radius:16px;padding:26px}.steps b{display:inline-grid;place-items:center;width:38px;height:38px;background:#eef4ff;border-radius:10px;color:#2563eb;font-size:13px}.steps h3{font-size:16px;margin:17px 0 7px}.steps p,.privacy p{color:#6c7d93;font-size:14px;line-height:1.75;margin:0}.privacy{max-width:850px}.privacy p{text-align:center;margin:17px auto 0}footer{background:#14233a;color:white;padding:44px 0}.footer-content{display:flex;justify-content:space-between;gap:30px;align-items:start}.footer-brand{font-size:20px;letter-spacing:-.5px}footer p,footer small{color:#b5c1d1;font-size:12px;line-height:1.6}.footer-links{display:flex;flex-wrap:wrap;gap:12px 20px;max-width:340px;justify-content:flex-end}.footer-links a{color:#c5d0e0;font-size:12px}button:focus-visible,a:focus-visible,input:focus-visible{outline:3px solid #2563eb;outline-offset:3px}@media(max-width:850px){.grid{grid-template-columns:repeat(2,minmax(0,1fr))}.nav{gap:15px}.nav nav{gap:15px}}@media(max-width:620px){.wrap{padding-inline:18px}.nav{height:68px}.brand{font-size:19px}.brand-mark{width:31px;height:31px;font-size:18px;margin-right:7px}.nav nav{gap:12px;font-size:12px}.nav nav a:nth-child(2){display:none}.nav-cta{display:none}.hero-inner{padding-top:65px;padding-bottom:58px}.hero h1{letter-spacing:-2.3px}.hero p{font-size:15px}.trust{gap:10px 18px}.tools{padding-top:55px;padding-bottom:60px}.section-head{align-items:start;flex-direction:column}.tool-count{display:none}.grid{gap:12px}.grid button{padding:17px;min-height:176px}.grid strong{font-size:14px}.grid small{font-size:12px}.tool-icon{width:40px;height:40px}.tool-icon svg{width:21px;height:21px}.tool-arrow{top:19px;right:15px}.convert{padding-bottom:50px}.convert-box{padding:23px 18px}.info{padding-top:56px;padding-bottom:60px}.steps{grid-template-columns:1fr;gap:12px}.footer-content{flex-direction:column}.footer-links{justify-content:flex-start}}@media(max-width:390px){.grid{grid-template-columns:1fr}.grid button{min-height:140px}.nav nav a:last-child{display:none}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.grid button{transition:none}.grid button:hover{transform:none}}

/* ZentConvert V4 — Compact tool cards */
.grid button {
  min-height: 155px;
  padding: 22px;
  gap: 10px;
}

.grid strong {
  letter-spacing: -0.3px;
}

@media (max-width: 720px) {
  .grid button {
    min-height: 145px;
    padding: 18px;
  }
}

/* ZentConvert V4 — Hero typography refinement */
.hero h1 {
  letter-spacing: -1.5px;
  line-height: 1.16;
}

@media (max-width: 600px) {
  .hero h1 {
    letter-spacing: -0.8px;
    line-height: 1.2;
  }
}

/* ZentConvert V4 — Heading readability */
.hero h1 {
  letter-spacing: -0.5px;
}

.section-head h2,
.info h2 {
  letter-spacing: -0.3px;
  line-height: 1.25;
}

/* ZentConvert V4 — Reduce hero spacing */
.hero {
  padding-bottom: 45px;
}

.tools {
  padding-top: 25px;
}

@media (max-width: 600px) {
  .hero {
    padding-bottom: 30px;
  }

  .tools {
    padding-top: 20px;
  }
}

/* ZentConvert V4 — Mobile tool cards */
@media (max-width: 600px) {
  .grid {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .grid button {
    min-height: 115px;
    padding: 16px;
    gap: 9px;
  }
}

/* ZentConvert V4 — Upload panel spacing */
@media (max-width: 600px) {
  .convert-box {
    padding-bottom: 18px;
  }

  .drop {
    padding: 22px 16px;
    margin: 16px 0 12px;
  }

  .status:empty {
    min-height: 0;
    margin: 0;
  }
}

/* ZentConvert V4 — File name display */
#chosen {
  max-width: 100%;
  overflow-wrap: anywhere;
  font-size: 13px;
  line-height: 1.5;
  margin: 10px 0;
}

.drop input[type="file"] {
  max-width: 100%;
  width: 100%;
  font-size: 12px;
}

/* ZentConvert V4 — Clean upload interaction */
.drop input[type="file"] {
  color: transparent;
}

.drop input[type="file"]::file-selector-button {
  color: #2456b8;
}

.drop.drag-active {
  border-color: #2563eb;
  background: #eff6ff;
  box-shadow: 0 0 0 4px rgba(37, 99, 235, 0.10);
  transform: scale(1.01);
}

.drop {
  transition: background .2s ease, border-color .2s ease,
              box-shadow .2s ease, transform .2s ease;
}