/* ==========================================================================
   SwiftConvert — base styles
   ========================================================================== */

:root{
  --bg:#F5F8FD;
  --bg-deep:#0B1220;
  --surface:#FFFFFF;
  --primary:#2554F6;
  --primary-dark:#173BB0;
  --cyan:#0EC8C8;
  --ink:#101828;
  --muted:#5B6478;
  --border:#E3E9F5;
  --success:#12B76A;
  --danger:#E4572E;
  --radius:14px;
  --radius-lg:20px;
  --shadow-sm:0 2px 8px rgba(16,24,56,0.06);
  --shadow:    0 8px 30px rgba(16,24,56,0.08);
  --shadow-lg: 0 20px 60px rgba(16,24,56,0.12);
  --font-display:'Space Grotesk', system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
  --font-body:'Inter', system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
  --font-mono:'JetBrains Mono', ui-monospace, SFMono-Regular, Menlo, monospace;
  --container: 1120px;
}

*,*::before,*::after{ box-sizing:border-box; }
html{ scroll-behavior:smooth; -webkit-text-size-adjust:100%; }
body{
  margin:0;
  font-family:var(--font-body);
  color:var(--ink);
  background:var(--bg);
  line-height:1.55;
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
  text-rendering:optimizeLegibility;
}
h1,h2,h3,h4{ font-family:var(--font-display); margin:0; letter-spacing:-0.01em; line-height:1.15; }
p{ margin:0; }
a{ color:var(--primary); text-decoration:none; }
a:hover{ text-decoration:underline; }
img,svg{ max-width:100%; height:auto; display:block; }

button{ font:inherit; cursor:pointer; }

.container{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding:0 24px;
}

.skip-link{
  position:absolute; left:-9999px; top:0;
  background:var(--primary); color:#fff;
  padding:10px 16px; border-radius:8px; z-index:9999;
  font-weight:600;
}
.skip-link:focus{ left:16px; top:16px; outline:2px solid #fff; }

/* ==========================================================================
   Header / nav
   ========================================================================== */

header.site{
  position:sticky; top:0; z-index:50;
  background:rgba(245,248,253,0.85);
  backdrop-filter:saturate(150%) blur(10px);
  -webkit-backdrop-filter:saturate(150%) blur(10px);
  border-bottom:1px solid var(--border);
}
.nav{
  display:flex; align-items:center; justify-content:space-between;
  padding:14px 24px; gap:16px;
  max-width:var(--container);
  margin:0 auto;
}
.brand{
  display:inline-flex; align-items:center; gap:10px;
  font-family:var(--font-display); font-weight:700; font-size:19px;
  color:var(--ink);
}
.brand:hover{ text-decoration:none; }
.brand .mark{
  width:32px; height:32px; border-radius:8px;
  background:linear-gradient(135deg,var(--primary),var(--cyan));
  display:inline-flex; align-items:center; justify-content:center;
  color:#fff; font-family:var(--font-mono); font-size:13px; font-weight:600;
  flex-shrink:0;
}
.nav-links{
  display:flex; gap:28px; list-style:none; margin:0; padding:0;
  font-size:14.5px; font-weight:500;
}
.nav-links a{ color:var(--muted); }
.nav-links a:hover,.nav-links a:focus-visible{ color:var(--primary); text-decoration:none; }
.nav-cta{
  background:var(--primary); color:#fff;
  padding:9px 18px; border-radius:999px;
  font-size:14px; font-weight:600;
  white-space:nowrap;
}
.nav-cta:hover{ background:var(--primary-dark); text-decoration:none; }

.menu-btn{
  display:none;
  background:none; border:none; color:var(--ink);
  padding:6px; border-radius:8px;
}
.menu-btn:hover{ background:rgba(0,0,0,.05); }

/* ==========================================================================
   Hero
   ========================================================================== */
.contact-form{
        box-shadow: 0 0 10px 1px #0000000f;
    border: 1px solid #d3d3d375;
    margin: 20px 0;
    padding: 23px;
    border-radius: 8px;
}
.form-group label{
        font-size: 14px;
    line-height: 24px;
    margin-bottom: 5px;
    display: block;
}
.form-group input, .form-group textarea{
    display: block;
    border: 1px solid #d3d3d370;
    font-size: 12px;
    line-height: 24px;
    border-radius: 5px;
    background: white;
    width: 100%;
    padding: 6px 13px;
}
.form-group{
        margin-bottom: 15px;
}
.submit-btn{
        background: var(--primary);
    color: #fff;
    padding: 9px 18px;
    border-radius: 999px;
    font-size: 14px;
    font-weight: 600;
    white-space: nowrap;
    margin-top: 10px;
    border: 0;
    margin-bottom: 12px;
}
.hero{
  padding:56px 0 36px;
  text-align:center;
}
.hero .container > * + *{ margin-top:18px; }
.eyebrow{
  display:inline-flex; align-items:center; gap:8px;
  font-family:var(--font-mono); font-size:12.5px; color:var(--primary-dark);
  background:#E9EFFF; border:1px solid #D3DEFF;
  padding:6px 14px; border-radius:999px;
}
.hero h1{
  font-size:clamp(30px, 4.6vw, 50px);
  font-weight:700; line-height:1.08;
  max-width:760px; margin:0 auto;
}
.hero h1 .grad{
  background:linear-gradient(100deg,var(--primary),var(--cyan));
  -webkit-background-clip:text; background-clip:text;
  color:transparent;
}
.hero p.lead{
  font-size:clamp(15px, 1.6vw, 17.5px);
  color:var(--muted);
  max-width:600px; margin:0 auto;
}

.format-bridge{
  display:flex; align-items:center; justify-content:center;
  gap:14px; flex-wrap:wrap; margin-top:6px;
}
.chip{
  font-family:var(--font-mono); font-size:13.5px; font-weight:600;
  background:var(--surface); border:1px solid var(--border); color:var(--ink);
  padding:8px 14px; border-radius:9px; box-shadow:var(--shadow-sm);
}
.bridge-arrow{
  width:30px; height:2px;
  background:linear-gradient(90deg,var(--primary),var(--cyan));
  position:relative; flex-shrink:0;
}
.bridge-arrow::after{
  content:''; position:absolute; right:-1px; top:50%; transform:translateY(-50%);
  border-left:6px solid var(--cyan);
  border-top:5px solid transparent;
  border-bottom:5px solid transparent;
}

/* ==========================================================================
   Converter
   ========================================================================== */

.converter{
  background:var(--surface); border:1px solid var(--border);
  border-radius:var(--radius-lg); box-shadow:var(--shadow);
  max-width:760px; margin:24px auto 0; overflow:hidden;
}
.tabs{
  display:flex; overflow-x:auto; gap:4px;
  padding:14px 14px 0;
  border-bottom:1px solid var(--border);
  scrollbar-width:thin;
  scroll-snap-type:x proximity;
}
.tabs::-webkit-scrollbar{ height:6px; }
.tabs::-webkit-scrollbar-thumb{ background:var(--border); border-radius:3px; }

.tab{
  font-family:var(--font-body); font-weight:600; font-size:13.5px;
  color:var(--muted);
  background:none; border:none;
  padding:10px 16px; border-radius:10px 10px 0 0;
  white-space:nowrap;
  scroll-snap-align:start;
  transition:color .15s, background .15s;
}
.tab[aria-selected="true"]{ color:var(--primary); background:#EEF3FF; }
.tab:hover{ color:var(--primary-dark); }
.tab:focus-visible{ outline:2px solid var(--primary); outline-offset:-2px; }

.panel{ padding:28px; }
@media (max-width:560px){ .panel{ padding:20px; } }

.dropzone{
  border:2px dashed #C6D3EF; border-radius:16px;
  padding:38px 20px; text-align:center;
  cursor:pointer; transition:border-color .15s, background .15s;
  background:#FAFBFF;
  display:flex; flex-direction:column; align-items:center;
  gap:8px;
}
.dropzone:hover{ border-color:var(--primary); }
.dropzone.drag{ border-color:var(--primary); background:#EEF3FF; }
.dropzone:focus-visible{ outline:2px solid var(--primary); outline-offset:2px; }
.dropzone .dz-icon{ margin-bottom:2px; }
.dropzone .dz-title{ font-weight:600; font-size:15.5px; }
.dropzone .dz-sub{ color:var(--muted); font-size:13.5px; }
.dropzone input[type="file"]{ display:none; }

.browse-btn{
  display:inline-block; margin-top:8px;
  background:var(--primary); color:#fff;
  padding:9px 20px; border-radius:999px;
  font-weight:600; font-size:13.5px;
  pointer-events:none;
}

.file-row{
  display:flex; align-items:center; gap:12px;
  background:#FAFBFF; border:1px solid var(--border);
  border-radius:12px; padding:12px 14px; margin-top:16px;
}
.file-row[hidden]{ display:none; }
.file-row .ext{
  font-family:var(--font-mono); font-size:11px; font-weight:700; color:#fff;
  background:var(--primary); padding:4px 7px; border-radius:6px; flex-shrink:0;
}
.file-row .fname{
  font-size:13.5px; font-weight:600; min-width:0;
  overflow:hidden; text-overflow:ellipsis; white-space:nowrap; flex:1;
}
.file-row .fsize{ font-size:12px; color:var(--muted); flex-shrink:0; }
.file-row .remove{
  background:none; border:none; color:var(--muted);
  font-size:18px; padding:2px 6px; line-height:1;
  border-radius:6px;
}
.file-row .remove:hover{ background:rgba(0,0,0,.05); color:var(--danger); }

.options-row{
  display:flex; gap:10px; flex-wrap:wrap; margin-top:16px;
}
.opt-select{
  font-family:var(--font-body); font-size:13.5px;
  padding:9px 12px; border-radius:9px;
  border:1px solid var(--border); background:#fff; color:var(--ink);
}
.opt-select:focus-visible{ outline:2px solid var(--primary); outline-offset:1px; }

.convert-btn{
  position:relative;
  width:100%; margin-top:18px;
  background:var(--primary); color:#fff;
  border:none; padding:14px; border-radius:12px;
  font-size:15px; font-weight:700;
  display:inline-flex; align-items:center; justify-content:center; gap:10px;
  transition:background .15s;
}
.convert-btn:hover:not(:disabled){ background:var(--primary-dark); }
.convert-btn:disabled{ background:#B9C6E8; cursor:not-allowed; }
.convert-btn .spinner{
  width:16px; height:16px; border-radius:50%;
  border:2px solid rgba(255,255,255,.5);
  border-top-color:#fff;
  display:none;
  animation:spin .8s linear infinite;
}
.convert-btn.loading .spinner{ display:inline-block; }
.convert-btn.loading .btn-label{ opacity:.85; }
@keyframes spin{ to{ transform:rotate(360deg); } }

.progress-wrap{
  margin-top:16px;
}
.progress-wrap[aria-hidden="true"]{ display:none; }
.progress-bar{
  height:8px; border-radius:999px;
  background:#E3E9F5; overflow:hidden;
}
.progress-fill{
  height:100%; width:0%;
  background:linear-gradient(90deg,var(--primary),var(--cyan));
  transition:width .2s;
}
.progress-label{
  font-size:12.5px; color:var(--muted); margin-top:8px;
  font-family:var(--font-mono);
}

.result-box{
  margin-top:16px;
  background:#EFFBF4; border:1px solid #BEEBD1;
  border-radius:12px; padding:16px;
  display:flex; align-items:center; justify-content:space-between;
  gap:12px; flex-wrap:wrap;
}
.result-box[hidden]{ display:none; }
.result-box .msg{ font-size:13.5px; font-weight:600; color:#0A6B3F; }
.download-btn{
  background:var(--success); color:#fff;
  font-weight:700; font-size:13.5px;
  padding:9px 18px; border-radius:999px;
  white-space:nowrap;
}
.download-btn:hover{ background:#0a9a58; text-decoration:none; }

.note-box{
  margin-top:14px;
  background:#FFF7ED; border:1px solid #FCE0B4;
  border-radius:10px;
  padding:11px 14px;
  font-size:12.5px; color:#8A5A11;
  display:none;
}
.note-box.show{ display:block; }

.trust-strip{
  display:flex; justify-content:center; gap:24px; flex-wrap:wrap;
  margin-top:28px;
  color:var(--muted); font-size:13px; font-weight:600;
}
.trust-strip span{
  display:inline-flex; align-items:center; gap:6px;
  background:var(--surface); border:1px solid var(--border);
  padding:8px 14px; border-radius:999px;
  box-shadow:var(--shadow-sm);
}

/* ==========================================================================
   Sections
   ========================================================================== */

.section{ padding:72px 0; }
.section.alt{ background:#EEF3FF; }
.section .container > * + *{ margin-top:32px; }
.section-head{
  max-width:600px; margin:0 auto 44px; text-align:center;
}
.section-eyebrow{
  font-family:var(--font-mono); font-size:12px; color:var(--primary);
  font-weight:600; letter-spacing:.04em; text-transform:uppercase;
}
.section-head h2{
  font-size:clamp(26px, 3.4vw, 36px);
  margin-top:8px;
}
.section-head p{
  color:var(--muted); margin-top:12px; font-size:15.5px;
}

.about-block{
  max-width:820px; margin:0 auto;
  background:var(--surface); border:1px solid var(--border);
  border-radius:16px; padding:32px;
}
.about-block h2{ font-size:20px; margin-bottom:12px; }
.about-block p{ color:var(--muted); font-size:15px; margin:0 0 10px; }
.about-block p:last-child{ margin-bottom:0; }

/* Features */
.features{
  display:grid; grid-template-columns:repeat(3, 1fr); gap:20px;
}
.feature-card{
  background:var(--surface); border:1px solid var(--border);
  border-radius:16px; padding:26px;
  transition:transform .2s, box-shadow .2s;
}
.feature-card:hover{ transform:translateY(-3px); box-shadow:var(--shadow); }
.feature-card .ficon{
  width:44px; height:44px; border-radius:11px;
  background:#EEF3FF; color:var(--primary);
  display:inline-flex; align-items:center; justify-content:center;
  font-size:22px; margin-bottom:14px;
}
.feature-card h3{ font-size:16.5px; margin-bottom:8px; }
.feature-card p{ color:var(--muted); font-size:14px; }
.feature-card .tags{
  margin-top:14px; display:flex; gap:6px; flex-wrap:wrap;
}
.feature-card .tags span{
  font-family:var(--font-mono); font-size:11px;
  background:#F5F8FD; border:1px solid var(--border);
  padding:3px 8px; border-radius:6px; color:var(--muted);
}

/* How it works */
.steps{
  display:grid; grid-template-columns:repeat(4, 1fr); gap:20px;
  list-style:none; margin:0; padding:0;
}
.step{ text-align:center; padding:0 8px; }
.step .num{
  font-family:var(--font-mono); font-weight:700; font-size:13px;
  color:var(--primary); width:34px; height:34px;
  border:1.5px solid var(--primary); border-radius:999px;
  display:inline-flex; align-items:center; justify-content:center;
  margin:0 auto 14px;
}
.step h3{ font-size:15px; margin-bottom:6px; }
.step p{ font-size:13.5px; color:var(--muted); }

/* Why us (dark) */
.why{
  background:var(--bg-deep); color:#fff;
  border-radius:28px; padding:64px 40px;
}
.why .section-head p{ color:#9AA6C4; }
.why .section-head .section-eyebrow{ color:var(--cyan); }
.why-grid{
  display:grid; grid-template-columns:repeat(3, 1fr); gap:24px;
  margin-top:32px;
}
.why-item{
  background:rgba(255,255,255,0.04);
  border:1px solid rgba(255,255,255,0.08);
  border-radius:14px; padding:22px;
}
.why-item h3{ font-size:15.5px; margin-bottom:8px; color:#fff; }
.why-item p{ font-size:13.5px; color:#9AA6C4; }

/* FAQ */
.faq-list{
  max-width:760px; margin:0 auto;
  display:flex; flex-direction:column; gap:12px;
}
.faq-item{
  background:var(--surface); border:1px solid var(--border);
  border-radius:12px; overflow:hidden;
}
.faq-item summary{
  padding:18px 20px; font-weight:600; font-size:14.5px;
  cursor:pointer; list-style:none;
  display:flex; justify-content:space-between; align-items:center; gap:10px;
}
.faq-item summary::-webkit-details-marker{ display:none; }
.faq-item summary::after{
  content:'+'; font-size:20px; color:var(--primary);
  flex-shrink:0; line-height:1;
}
.faq-item[open] summary::after{ content:'−'; }
.faq-item summary:hover{ background:#FAFBFF; }
.faq-item summary:focus-visible{ outline:2px solid var(--primary); outline-offset:-2px; }
.faq-item .faq-a{
  padding:0 20px 18px;
  color:var(--muted); font-size:14px;
}

/* ==========================================================================
   Footer
   ========================================================================== */

footer.site{
  background:var(--bg-deep); color:#9AA6C4;
  padding:50px 0 26px; margin-top:60px;
}
.brand-light{ color:#fff; }
.footer-tag{
  font-size:13.5px; color:#9AA6C4;
  max-width:280px; margin-top:10px;
}
.footer-grid{
  display:grid; grid-template-columns:2fr 1fr 1fr 1fr;
  gap:32px; padding-bottom:34px;
  border-bottom:1px solid rgba(255,255,255,0.08);
}
.footer-grid h4{
  color:#fff; font-size:13.5px; margin:0 0 14px;
  font-family:var(--font-body); font-weight:700; letter-spacing:.04em;
  text-transform:uppercase;
}
.footer-grid ul{
  list-style:none; padding:0; margin:0;
  display:flex; flex-direction:column; gap:9px; font-size:13.5px;
}
.footer-grid a{ color:#9AA6C4; }
.footer-grid a:hover{ color:#fff; text-decoration:none; }
.footer-bottom{
  display:flex; justify-content:space-between; align-items:center;
  flex-wrap:wrap; gap:10px;
  padding-top:22px; font-size:12.5px;
}

/* ==========================================================================
   Cookie consent
   ========================================================================== */

.consent{
  position:fixed; left:16px; right:16px; bottom:16px;
  z-index:1000;
  display:flex; justify-content:center;
}
.consent[hidden]{ display:none; }
.consent-card{
  display:flex; align-items:center; gap:18px;
  background:var(--surface); border:1px solid var(--border);
  border-radius:16px; padding:16px 20px;
  box-shadow:var(--shadow-lg);
  max-width:760px; width:100%;
}
.consent-card strong{ font-family:var(--font-display); }
.consent-card p{ font-size:13.5px; color:var(--muted); margin-top:4px; max-width:520px; }
.consent-actions{ display:flex; gap:8px; flex-shrink:0; }
.btn{
  font-weight:600; font-size:13.5px;
  padding:9px 18px; border-radius:999px;
  border:1px solid transparent; cursor:pointer;
}
.btn.ghost{
  background:transparent; color:var(--ink); border-color:var(--border);
}
.btn.ghost:hover{ background:#F5F8FD; }
.btn.primary{ background:var(--primary); color:#fff; }
.btn.primary:hover{ background:var(--primary-dark); }

/* ==========================================================================
   Legal pages (used by privacy.html / terms.html / contact.html)
   ========================================================================== */

.legal-doc{
  max-width:780px; margin:0 auto;
  background:var(--surface); border:1px solid var(--border);
  border-radius:16px; padding:36px;
}
.legal-doc h1{ font-size:clamp(24px,3vw,32px); margin-bottom:8px; }
.legal-doc .updated{
  font-size:12.5px; color:var(--muted);
  font-family:var(--font-mono); margin-bottom:24px;
}
.legal-doc h2{
  font-size:18px; margin-top:28px; margin-bottom:10px;
}
.legal-doc p{ color:var(--ink); font-size:15px; margin-bottom:12px; }
.legal-doc ul{ color:var(--ink); padding-left:20px; margin-bottom:12px; }
.legal-doc li{ margin-bottom:6px; }

/* ==========================================================================
   No-JS fallback
   ========================================================================== */

.noscript-box{
  background:#FFF7ED; border:1px solid #FCE0B4;
  border-radius:12px; padding:14px 18px;
  margin:20px auto; max-width:560px;
  font-size:14px; color:#8A5A11;
}

/* ==========================================================================
   Responsive
   ========================================================================== */

@media (max-width:960px){
  .why{ padding:48px 28px; border-radius:22px; }
}
@media (max-width:860px){
  .nav-links{ display:none; }
  .nav-links.open{
    display:flex; flex-direction:column;
    position:absolute; top:64px; right:16px; left:16px;
    background:var(--surface); border:1px solid var(--border);
    border-radius:14px; padding:14px 18px;
    box-shadow:var(--shadow-lg);
    z-index:60;
  }
  .nav-links.open li + li{ margin-top:10px; }
  .menu-btn{ display:inline-flex; }
  .nav-cta{ display:none; }
  .features{ grid-template-columns:1fr 1fr; }
  .steps{ grid-template-columns:1fr 1fr; }
  .why-grid{ grid-template-columns:1fr 1fr; }
  .footer-grid{ grid-template-columns:1fr 1fr; }
}
@media (max-width:560px){
  .container{ padding:0 16px; }
  .nav{ padding:12px 16px; }
  .hero{ padding:36px 0 24px; }
  .features{ grid-template-columns:1fr; }
  .steps{ grid-template-columns:1fr; }
  .why-grid{ grid-template-columns:1fr; }
  .why{ padding:36px 20px; border-radius:18px; margin:0 4px; }
  .footer-grid{ grid-template-columns:1fr; }
  .panel{ padding:20px; }
  .consent-card{
    flex-direction:column; align-items:stretch; gap:12px;
  }
  .consent-actions{ justify-content:flex-end; }
}

@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{
    animation-duration:.01ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.01ms !important;
    scroll-behavior:auto !important;
  }
}

/* ==========================================================================
   High-contrast / focus polish
   ========================================================================== */

:focus-visible{
  outline:2px solid var(--primary);
  outline-offset:2px;
  border-radius:4px;
}