:root{
  --bg:#07111f;
  --bg-soft:#0d1a2e;
  --surface:#0f1d33;
  --surface-2:#14253f;
  --text:#eef4ff;
  --text-soft:#a8b7d0;
  --border:rgba(165,186,214,.16);
  --accent:#4dd6c5;
  --accent-2:#ffb347;
  --accent-3:#7ca7ff;
  --danger:#ff6b6b;
  --success:#4be38f;
  --shadow:0 18px 40px rgba(0,0,0,.24);
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:Inter,"Segoe UI",Roboto,Arial,sans-serif;
  color:var(--text);
  background:
    radial-gradient(circle at top left, rgba(77,214,197,.18), transparent 35%),
    radial-gradient(circle at top right, rgba(124,167,255,.14), transparent 30%),
    linear-gradient(180deg,var(--bg) 0%, #081320 55%, #050b14 100%);
  line-height:1.65;
}
body.dark{
  --bg:#06101d;
  --bg-soft:#0c1727;
  --surface:#10203a;
  --surface-2:#152742;
}

a{color:var(--accent);text-decoration:none}
a:hover{text-decoration:underline}

.container{width:min(1180px,94%);margin:0 auto}

.site-header{
  position:sticky;top:0;z-index:100;
  background:rgba(8,17,30,.78);
  border-bottom:1px solid var(--border);
  backdrop-filter:blur(16px)
}
.header-wrap{
  min-height:78px;
  display:flex;align-items:center;justify-content:space-between;gap:1rem;
}
.logo{
  font-weight:900;
  letter-spacing:-.04em;
  color:var(--text);
  font-size:1.28rem;
  display:flex;align-items:center;gap:.6rem;
}
.logo::before{
  content:"";
  width:12px;height:12px;border-radius:50%;
  background:linear-gradient(135deg,var(--accent),var(--accent-2));
  box-shadow:0 0 0 6px rgba(77,214,197,.15);
}

.main-nav ul,.footer-nav ul{
  list-style:none;
  display:flex;
  gap:.85rem;
  flex-wrap:wrap;
  padding:0;margin:0;
}
.main-nav a,.footer-nav a{
  color:var(--text);
  font-weight:600;
  font-size:.94rem;
  opacity:.88;
}
.main-nav a:hover,.footer-nav a:hover{opacity:1;text-decoration:none}

.language-select,input,textarea,select{
  border:1px solid var(--border);
  border-radius:14px;
  padding:.78rem .95rem;
  font:inherit;
  background:rgba(255,255,255,.03);
  color:var(--text);
  outline:none;
}
.language-select{min-width:132px}
input::placeholder,textarea::placeholder{color:#90a3c1}

.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:.45rem;
  border-radius:14px;
  border:1px solid transparent;
  padding:.78rem 1.15rem;
  font-weight:800;
  cursor:pointer;
  transition:transform .18s ease, box-shadow .18s ease, background .18s ease, border-color .18s ease;
}
.btn:hover{transform:translateY(-1px);text-decoration:none}
.btn-primary{
  background:linear-gradient(135deg,var(--accent),#33b2d3);
  color:#03111a;
  box-shadow:0 14px 24px rgba(77,214,197,.22);
}
.btn-primary:hover{box-shadow:0 18px 28px rgba(77,214,197,.3)}
.btn-ghost{
  background:rgba(255,255,255,.04);
  color:var(--text);
  border-color:var(--border);
}

.hero{padding:4rem 0 2.3rem}
.hero-grid{
  display:grid;
  grid-template-columns:minmax(0,1.35fr) minmax(290px,.95fr);
  gap:1.2rem;
  align-items:stretch;
}
.hero-panel,.card,.tool-card,.article-card,.ad-box,.step-card,.upload-card,.feature-card,.stat-card,.info-card{
  background:linear-gradient(180deg,rgba(255,255,255,.035),rgba(255,255,255,.02));
  border:1px solid var(--border);
  border-radius:20px;
  box-shadow:var(--shadow);
  backdrop-filter:blur(8px);
}
.hero-panel{
  padding:1.4rem;
  position:relative;
  overflow:hidden;
}
.hero-panel::after{
  content:"";
  position:absolute;
  inset:auto -30px -50px auto;
  width:180px;height:180px;border-radius:50%;
  background:radial-gradient(circle, rgba(255,179,71,.22), transparent 70%);
  pointer-events:none;
}
.hero-kicker{
  display:inline-flex;
  align-items:center;
  gap:.5rem;
  padding:.38rem .7rem;
  border:1px solid var(--border);
  border-radius:999px;
  color:var(--text-soft);
  font-size:.88rem;
  margin-bottom:1rem;
  background:rgba(255,255,255,.03);
}
.hero-kicker::before{
  content:"";
  width:8px;height:8px;border-radius:50%;
  background:var(--accent-2);
}
.hero h1{
  margin:.25rem 0 .9rem;
  font-size:clamp(2.15rem,4vw,4.15rem);
  line-height:1.03;
  letter-spacing:-.05em;
}
.hero p{
  margin:0 0 1.2rem;
  color:var(--text-soft);
  font-size:1.03rem;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:.75rem}
.hero-metrics{
  margin-top:1.25rem;
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:.8rem;
}
.stat-card{padding:.95rem}
.stat-card strong{display:block;font-size:1.18rem}
.stat-card span{color:var(--text-soft);font-size:.9rem}

.quick-picks{
  padding:1.2rem;
  display:flex;
  flex-direction:column;
  gap:.9rem;
}
.quick-picks h2{margin:0 0 .1rem;font-size:1.15rem}
.quick-picks p{margin:0;color:var(--text-soft);font-size:.95rem}
.quick-grid{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:.75rem;
}

.section{padding:2.4rem 0}
.section h2{
  margin:.15rem 0 .45rem;
  font-size:clamp(1.45rem,2vw,2rem);
  letter-spacing:-.03em;
}
.section-subtitle{margin:0 0 1rem;color:var(--text-soft)}
.section-band{
  padding:1rem 1.1rem;
  margin-bottom:1rem;
  border:1px solid var(--border);
  border-radius:18px;
  background:rgba(255,255,255,.025);
}

.grid{display:grid;gap:1rem}
.tools-grid,.steps-grid,.article-list,.feature-grid{grid-template-columns:repeat(auto-fit,minmax(220px,1fr))}

.tool-card,.article-card,.step-card,.feature-card,.upload-card{padding:1.05rem}
.tool-card h3,.article-card h3,.step-card h3,.feature-card h3,.upload-card h1{margin:.3rem 0 .45rem}
.tool-card p,.article-card p,.step-card p,.feature-card p,.upload-card p{color:var(--text-soft);margin:.2rem 0 0}

.tool-card .icon,.step-number,.feature-icon{
  width:44px;height:44px;
  border-radius:14px;
  display:grid;
  place-items:center;
  font-weight:900;
  background:linear-gradient(135deg,rgba(77,214,197,.2),rgba(124,167,255,.18));
  border:1px solid var(--border);
}
.step-number{color:var(--accent)}
.feature-icon{color:var(--accent-2)}

.feature-grid{margin-top:1rem}
.feature-card{background:linear-gradient(180deg,rgba(255,255,255,.04),rgba(255,255,255,.015))}

.dropzone{
  margin-top:1rem;
  border:1.5px dashed rgba(77,214,197,.48);
  background:rgba(77,214,197,.04);
  border-radius:18px;
  padding:1.2rem;
  text-align:center;
  cursor:pointer;
  transition:border-color .18s ease, background .18s ease, transform .18s ease;
}
.dropzone:hover,.dropzone.dragover{
  transform:translateY(-1px);
  border-color:var(--accent-2);
  background:rgba(255,179,71,.06);
}
.preview{
  margin-top:.9rem;
  padding:.85rem 1rem;
  border:1px solid var(--border);
  border-radius:16px;
  background:rgba(255,255,255,.03);
}
.progress-wrap{display:none;margin-top:.85rem}
.progress{
  height:10px;
  background:rgba(255,255,255,.08);
  border-radius:999px;
  overflow:hidden;
}
.progress span{
  display:block;
  height:100%;
  width:0;
  background:linear-gradient(90deg,var(--accent),var(--accent-2));
}
.status{font-size:.95rem;color:var(--text-soft)}
.breadcrumbs{margin-bottom:.8rem;color:var(--text-soft);font-size:.92rem}

.layout-main{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:1rem;align-items:start}
.ad-box{
  display:grid;
  place-items:center;
  text-align:center;
  color:var(--text-soft);
  min-height:120px;
  padding:1rem;
}
.ad-side{min-height:280px}
.ad-inline{min-height:90px}

.footer{
  margin-top:2.5rem;
  padding:2.3rem 0;
  border-top:1px solid var(--border);
  background:linear-gradient(180deg,rgba(255,255,255,.03),rgba(255,255,255,.01));
}
.footer-columns{
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(220px,1fr));
  gap:1rem;
  margin-bottom:1rem;
}
.newsletter-form{display:flex;gap:.6rem}
.newsletter-form input{flex:1}
.footer p{color:var(--text-soft)}

.visually-hidden{
  position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);border:0
}

.muted{color:var(--text-soft)}

@media (max-width: 1024px){
  .hero-grid,.layout-main{grid-template-columns:1fr}
}
@media (max-width: 760px){
  .header-wrap{flex-wrap:wrap;padding:.7rem 0}
  .main-nav{order:3;width:100%}
  .main-nav ul{justify-content:flex-start}
  .hero{padding:2.4rem 0 1.5rem}
  .hero-metrics{grid-template-columns:1fr}
  .quick-grid,.newsletter-form{grid-template-columns:1fr;display:grid}
}