*{
  margin:0;
  padding:0;
  box-sizing:border-box;
  font-family:system-ui,-apple-system,"Segoe UI",Roboto;
}

body{
  background:#f5f7fb;
  color:#111827;
}

/* HEADER */
.site-header{
  background:#fff;
  border-bottom:1px solid #e5e7eb;
}

.header-inner{
  max-width:1200px;
  margin:auto;
  padding:14px 20px;
  display:flex;
  justify-content:space-between;
  align-items:center;
}

/* LOGO */
.brand-wrap{
  display:flex;
  align-items:center;
  gap:10px;
  text-decoration:none;
}

.logo-img{
  height:38px;
  transition:.3s;
}

.brand-text{
  font-size:22px;
  font-weight:900;
}

.brand-text .tool{color:#2563eb;}
.brand-text .strem{color:#f97316;}

.brand-wrap:hover .logo-img{
  transform:scale(1.08);
}

/* NAV */
.site-header nav a{
  margin-left:15px;
  text-decoration:none;
  font-weight:600;
  color:#374151;
}

.site-header nav a:hover{
  color:#2563eb;
}

/* LAYOUT */
.container{
  max-width:900px;
  margin:40px auto;
  padding:0 15px;
}

/* CARD */
.card{
  background:#fff;
  padding:30px;
  border-radius:18px;
  box-shadow:0 20px 40px rgba(0,0,0,.08);
  text-align:center;
}

.upload-btn,
.primary-btn{
  margin-top:20px;
  padding:14px 30px;
  border:none;
  border-radius:14px;
  color:#fff;
  font-size:16px;
  font-weight:700;
  cursor:pointer;
}

.upload-btn{
  background:linear-gradient(135deg,#2563eb,#1e40af);
}

.primary-btn{
  background:linear-gradient(135deg,#16a34a,#22c55e);
}

.bn{
  display:block;
  margin-top:6px;
  color:#6b7280;
}

.file-name{
  margin-top:8px;
  font-size:13px;
  color:#2563eb;
}

/* PROGRESS */
.progress-wrap{
  width:100%;
  height:4px;
  background:#e5e7eb;
  border-radius:10px;
  margin-top:16px;
  overflow:hidden;
  display:none;
}

.progress-bar{
  height:100%;
  width:0%;
  background:linear-gradient(90deg,#22c55e,#16a34a);
}

.progress-text{
  display:none;
  margin-top:6px;
  font-size:12px;
  color:#16a34a;
}

/* SEO */
.seo-content{
  background:#fff;
  margin-top:50px;
  padding:30px;
  border-radius:18px;
  line-height:1.7;
}

/* FOOTER */
.site-footer{
  text-align:center;
  padding:25px;
  color:#6b7280;
}
/* ================= TOOLSTREM TEXT FIX ================= */

/* MUST for animation */
.brand-text .tool,
.brand-text .strem{
  display:inline-block;
  transition:transform .35s ease;
}

/* Hover animation */
.brand-wrap:hover .tool{
  transform:translateY(-4px);
}

.brand-wrap:hover .strem{
  transform:translateY(4px);
}
.site-header nav a{
  padding:6px 8px;
}
@media(max-width:480px){
  .brand-text{
    font-size:20px;
  }

  .logo-img{
    height:34px;
  }

  .site-header nav a{
    font-size:14px;
    margin-left:10px;
  }
}
/* ================= STICKY HEADER ================= */

.site-header{
  position:sticky;
  top:0;
  z-index:999;
  background:#ffffff;
}
/* ================= BRAND TEXT INLINE FIX ================= */

.brand-text{
  display:flex;          /* 🔥 main fix */
  align-items:center;
  white-space:nowrap;
  line-height:1;
}
.site-header nav{
  display:flex;
  align-items:center;
  flex-wrap:wrap;
}

.site-header nav a{
  white-space:nowrap;
}

/* MOBILE */
@media(max-width:768px){
  .header-inner{
    flex-direction:row;          /* 🔥 column নয় */
    justify-content:space-between;
    gap:10px;
  }

  .site-header nav{
    font-size:14px;
  }
}
/* ================= FINAL HEADER FIX (PASTE AT VERY BOTTOM) ================= */

.site-header{
  position:sticky;
  top:0;
  z-index:999;
  background:#fff;
}

.brand-text{
  display:flex;
  align-items:center;
  white-space:nowrap;
  line-height:1;
}

.site-header nav{
  display:flex;
  align-items:center;
  gap:12px;
}

.site-header nav a{
  white-space:nowrap;
}

@media(max-width:768px){
  .header-inner{
    flex-direction:row !important;
    justify-content:space-between;
    align-items:center;
  }
}