/* ==========================================
   HERO
========================================== */

.hero{
    padding:120px 20px 100px;
    text-align:center;
  
    background:
    radial-gradient(
    circle at top,
    #eaf4ff 0%,
    #ffffff 65%
    );
  }
  
  .hero-content{
    max-width:850px;
    margin:auto;
  }
  
  .hero h1,
  .hero h2{
    font-size:clamp(2.4rem,5vw,4.5rem);
    line-height:1.1;
    font-weight:800;
    margin-bottom:20px;
    color:#0078d7;
  }
  
  .hero p{
    max-width:700px;
    margin:auto;
    font-size:1.15rem;
    line-height:1.8;
    color:#000;
  }
  
  .hero-buttons{
    margin-top:35px;
    display:flex;
    justify-content:center;
    gap:15px;
    flex-wrap:wrap;
  }
  
  /* ==========================================
     SECTION TITLE
  ========================================== */
  
  .section-title{
    text-align:center;
    margin-bottom:40px;
  }
  
  .section-title h2{
    font-size:2rem;
    margin-bottom:10px;
    color:#111827;
  }
  
  .section-title p{
    max-width:700px;
    margin:auto;
    color:#6b7280;
  }
  
  /* ==========================================
     ABOUT SECTION
  ========================================== */
  
  .about-home{
    padding:90px 20px;
    background:#fff;
  }
  
  .about-home p{
    max-width:850px;
    margin:auto;
    text-align:center;
  
    color:#6b7280;
    font-size:1.05rem;
    line-height:1.9;
  
    background:#f8fbff;
    padding:25px 30px;
  
    border:1px solid #e5e7eb;
    border-radius:14px;
  
    box-shadow:0 10px 25px rgba(0,0,0,.04);
  
    transition:.3s ease;
  }
  
  .about-home p:hover{
    transform:translateY(-5px);
    border-color:#0078d4;
    box-shadow:0 15px 35px rgba(0,120,212,.10);
  }
  
  /* ==========================================
     POPULAR TOPICS
  ========================================== */
  
  .topics-section{
    padding:80px 20px;
    background:#fff;
  }
  
  .topics-grid{
    max-width:1000px;
    margin:40px auto 0;
  
    display:grid;
    grid-template-columns:repeat(auto-fit,minmax(180px,1fr));
    gap:20px;
  }
  
  .topic-card{
    background:#fff;
    border:1px solid #e5e7eb;
    border-radius:14px;
  
    padding:25px 15px;
    text-align:center;
  
    transition:.3s ease;
  }
  
  .topic-card:hover{
    transform:translateY(-5px);
    border-color:#0078d4;
    box-shadow:0 10px 25px rgba(0,0,0,.06);
  }
  
  .topic-card span{
    display:block;
    font-size:2rem;
    margin-bottom:10px;
  }
  
  .topic-card h3{
    font-size:1rem;
    font-weight:600;
    color:#1f2937;
  }
  
  /* ==========================================
     ARTICLES
  ========================================== */
  
  .articles{
    max-width:1200px;
    margin:auto;
  
    display:grid;
    grid-template-columns:repeat(auto-fit,minmax(280px,1fr));
    gap:25px;
  
    padding:40px 20px;
  }
  
  .article{
    background:#fff;
    border:1px solid #e5e7eb;
    border-radius:12px;
  
    overflow:hidden;
  
    box-shadow:0 2px 6px rgba(0,0,0,.05);
  
    transition:.3s;
  }
  
  .article:hover{
    transform:translateY(-5px);
  }
  
  .article img{
    width:100%;
    height:200px;
    object-fit:cover;
  }
  
  .article h3{
    color:#0078d7;
    padding:15px;
    font-size:1.1rem;
  }
  
  .article p{
    padding:0 15px;
    color:#444;
    font-size:.95rem;
  }
  
  .readmore{
    display:block;
    margin:15px;
    color:#0078d7;
    font-weight:600;
  }
  
  .readmore:hover{
    text-decoration:underline;
  }
  
  /* ==========================================
     FAQ
  ========================================== */
  
  .faq-section{
    padding:90px 20px;
    background:#f8fbff;
  }
  
  .faq-container{
    max-width:900px;
    margin:auto;
  }
  
  .faq-item{
    background:#fff;
    border:1px solid #e5e7eb;
    border-radius:12px;
    margin-bottom:15px;
    overflow:hidden;
  }
  
  .faq-item:hover{
    box-shadow:0 10px 25px rgba(0,0,0,.05);
  }
  
  .faq-item summary{
    padding:20px;
    cursor:pointer;
    font-weight:600;
    font-size:1.05rem;
    list-style:none;
  }
  
  .faq-item summary::-webkit-details-marker{
    display:none;
  }
  
  .faq-item summary::after{
    content:"+";
    float:right;
    color:#0078d4;
    font-size:1.3rem;
  }
  
  .faq-item[open] summary::after{
    content:"−";
  }
  
  .faq-item p{
    padding:0 20px 20px;
    color:#6b7280;
  }
  
  /* ==========================================
     JOIN COMMUNITY
  ========================================== */
  
  .join{
    text-align:center;
    background:linear-gradient(90deg,#0078d7,#005fa3);
    color:#fff;
    padding:70px 20px;
  }
  
  .join h2{
    color:#fff;
    font-size:2rem;
    margin-bottom:10px;
  }
  
  .join p{
    color:#fff;
    font-size:1.1rem;
    margin-bottom:25px;
  }
  
  .join .btn-primary{
    background:#fff;
    color:#0078d4;
  }
  
  .join .btn-primary:hover{
    background:#e6e6e6;
  }
  
  /* ==========================================
     MOBILE
  ========================================== */
  
  @media(max-width:768px){
  
    .hero{
      padding:90px 20px 70px;
    }
  
    .hero h1,
    .hero h2{
      font-size:2rem;
    }
  
    .hero p{
      font-size:1rem;
    }
  
    .hero-buttons{
      flex-direction:column;
      align-items:center;
    }
  
    .articles{
      padding:20px;
    }
  
    .article img{
      height:180px;
    }
  }