/* =========================
   BASE
========================= */
body{
  margin:0;
  font-family:Arial, Helvetica, sans-serif;
  background:#f7fafb;
  color:#333;
}

.container{
  width:min(1180px, calc(100% - 40px));
  margin:0 auto;
}

a{
  text-decoration:none;
  color:inherit;
}

img{
  max-width:100%;
  display:block;
}


/* =========================
   HEADER
========================= */
.topbar{
  background:#ffffff;
  border-bottom:1px solid rgba(0,0,0,.06);
  padding:14px 0;
  position:sticky;
  top:0;
  z-index:50;
}

.nav{
  display:flex;
  justify-content:space-between;
  align-items:center;
}

.brand{
  display:flex;
  align-items:center;
  gap:10px;
}

.brand img{
  height:55px;
}

.menu a{
  margin-left:18px;
  font-weight:600;
  font-size:14px;
  transition:.2s;
}

.menu a:hover{
  color:#007C91;
}


/* =========================
   HERO
========================= */
.blog-hero{
  padding:40px 0 20px;
}

.blog-hero-box{
  background: linear-gradient(135deg, #0f7f92 0%, #1c95a6 55%, #f7931e 140%);
  border-radius:28px;
  padding:42px;
  color:white;
  box-shadow:0 20px 60px rgba(0,0,0,.15);
}

.blog-hero-box h1{
  margin:0 0 10px;
  font-size:38px;
}

.blog-hero-box p{
  margin:0;
  max-width:720px;
  line-height:1.8;
  opacity:.95;
}


/* =========================
   TOOLBAR
========================= */
.blog-toolbar{
  display:flex;
  gap:12px;
  margin:25px 0;
  flex-wrap:wrap;
}

.blog-toolbar input,
.blog-toolbar select{
  padding:12px 14px;
  border-radius:14px;
  border:1px solid rgba(0,0,0,.08);
  background:#fff;
  font-size:14px;
  transition:.2s;
}

.blog-toolbar input:focus,
.blog-toolbar select:focus{
  outline:none;
  border-color:#007C91;
  box-shadow:0 0 0 3px rgba(0,124,145,.15);
}


/* =========================
   GRID
========================= */
.blog-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:20px;
  margin-bottom:50px;
}


/* =========================
   CARD
========================= */
.blog-card{
  background:#fff;
  border-radius:22px;
  overflow:hidden;
  box-shadow:0 12px 30px rgba(0,0,0,.08);
  transition:.3s;
  display:flex;
  flex-direction:column;
}

.blog-card:hover{
  transform:translateY(-6px);
  box-shadow:0 20px 50px rgba(0,0,0,.14);
}

.blog-card img{
  width:100%;
  height:220px;
  object-fit:cover;
}

.blog-card-content{
  padding:20px;
}

.blog-badge{
  display:inline-block;
  padding:6px 12px;
  border-radius:999px;
  background:rgba(247,147,30,.12);
  color:#a05d00;
  font-size:11px;
  font-weight:700;
  margin-bottom:12px;
}

.blog-card h3{
  font-size:20px;
  margin:0 0 10px;
  line-height:1.3;
  color:#0F2E36;
}

.blog-meta{
  font-size:13px;
  color:#6b7280;
  margin-bottom:10px;
}

.blog-card p{
  font-size:14px;
  line-height:1.8;
  color:#5f6b76;
}

.blog-link{
  display:inline-block;
  margin-top:12px;
  padding:10px 14px;
  background:#007C91;
  color:white;
  border-radius:12px;
  font-weight:600;
  transition:.2s;
}

.blog-link:hover{
  background:#005f6f;
}


/* =========================
   FEATURED
========================= */
.blog-card.featured{
  grid-column:span 3;
  display:grid;
  grid-template-columns:1fr 1fr;
}

.blog-card.featured img{
  height:100%;
}

.blog-card.featured .blog-card-content{
  padding:32px;
}

.blog-card.featured h3{
  font-size:28px;
}


/* =========================
   ARTICLE PAGE
========================= */
.article-wrap{
  padding:40px 0;
}

.article-hero{
  border-radius:28px;
  overflow:hidden;
  box-shadow:0 20px 60px rgba(0,0,0,.14);
  margin-bottom:25px;
}

.article-hero img{
  width:100%;
  height:450px;
  object-fit:cover;
}

.article-box{
  background:#fff;
  border-radius:24px;
  padding:35px;
  box-shadow:0 15px 40px rgba(0,0,0,.08);
}

.article-category{
  display:inline-block;
  padding:7px 12px;
  border-radius:999px;
  background:rgba(247,147,30,.12);
  font-size:11px;
  font-weight:700;
  margin-bottom:12px;
}

.article-box h1{
  margin:0 0 14px;
  font-size:36px;
  line-height:1.2;
  color:#0F2E36;
}

.article-meta{
  font-size:14px;
  color:#6b7280;
  margin-bottom:20px;
}

.article-box p{
  font-size:16px;
  line-height:1.9;
  color:#4f5d68;
  margin-bottom:18px;
}


/* =========================
   HIGHLIGHTS
========================= */
.highlight-list{
  display:grid;
  gap:12px;
  margin:25px 0;
}

.highlight-list div{
  padding:14px 16px;
  border-radius:14px;
  background:#f9fcfd;
  border:1px solid rgba(0,124,145,.1);
  font-size:14px;
}


/* =========================
   EMPTY STATE
========================= */
.empty-state{
  padding:30px;
  text-align:center;
  background:#fff;
  border-radius:20px;
  border:1px dashed rgba(0,124,145,.2);
  color:#6b7280;
}


/* =========================
   FOOTER
========================= */
.site-footer{
  background:#0F2E36;
  color:white;
  padding:40px 20px;
}

.footer-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:20px;
}

.footer-grid h4{
  margin-bottom:10px;
}

.footer-grid a{
  display:block;
  margin-bottom:6px;
  font-size:14px;
}


/* =========================
   RESPONSIVE
========================= */
@media(max-width:980px){

  .blog-grid{
    grid-template-columns:1fr 1fr;
  }

  .blog-card.featured{
    grid-column:span 2;
  }

  .article-hero img{
    height:320px;
  }
}

@media(max-width:680px){

  .blog-grid{
    grid-template-columns:1fr;
  }

  .blog-card.featured{
    grid-column:span 1;
    grid-template-columns:1fr;
  }

  .blog-hero-box h1{
    font-size:30px;
  }

  .article-box h1{
    font-size:28px;
  }

  .footer-grid{
    grid-template-columns:1fr;
  }
}