/* ================= ROOT ================= */
:root{
  --blue: #0c63e7;
  --deep: #0a3fa3;
  --aqua: #00c6c2;
  --bg: #f4f8ff;
  --text: #1b263b;
  --shadow: 0 15px 45px rgba(0,0,0,0.12);
  --shadow-hover: 0 25px 70px rgba(0,0,0,0.18);
  --radius: 18px;
  --transition: 0.3s ease;
  --font-main: 'Inter', sans-serif;
}

*{
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: var(--font-main);
}

body{
  background: var(--bg);
  color: var(--text);
  overflow-x: hidden;
}

/* ================= HERO ================= */
.hero{
  padding: 150px 50px 120px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 50px;
  background: linear-gradient(120deg, var(--deep), var(--blue), var(--aqua));
  color: white;
  border-radius: 0 0 60px 60px;
}

.hero h1{
  font-size: 50px;
  margin-bottom: 18px;
  line-height: 1.2;
}

.hero p{
  font-size: 19px;
  line-height: 1.6;
  max-width: 520px;
}

.hero-visual{
  width: 320px;
  height: 320px;
  border-radius: 50%;
  background: rgba(255,255,255,0.12);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 35px 90px rgba(0,0,0,0.3);
  transition: transform var(--transition);
}

.hero-visual i{
  font-size: 120px;
}

.hero-visual:hover{
  transform: scale(1.05);
}

/* ================= CHIPS ================= */
.chip-container{
  display: flex;
  gap: 14px;
  padding: 30px 50px;
  overflow-x: auto;
}

.chip{
  padding: 12px 22px;
  border-radius: 30px;
  border: 1px solid #ddd;
  background: white;
  cursor: pointer;
  font-size: 15px;
  font-weight: 500;
  transition: var(--transition);
}

.chip:hover,
.chip.active{
  background: var(--blue);
  color: white;
  border-color: var(--blue);
}

/* ================= BLOG GRID ================= */
.vlog-grid{
  padding: 35px 50px;
  display: grid;
  gap: 28px;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
}

/* ================= CARD ================= */
.card{
  background: white;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: all var(--transition);
  display: flex;
  flex-direction: column;
}

.card:hover{
  transform: translateY(-8px);
  box-shadow: var(--shadow-hover);
}

/* image */
.card img{
  width: 100%;
  height: 200px;
  object-fit: cover;
  transition: transform var(--transition);
}

.card:hover img{
  transform: scale(1.08);
}

/* content */
.card-content{
  padding: 20px;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

/* title */
.card-title{
  font-size: 20px;
  font-weight: 600;
  margin-bottom: 8px;
  line-height: 1.4;
}

/* date */
.card-date{
  font-size: 14px;
  color: #555;
  margin-bottom: 14px;
}

/* button */
.card-btn{
  margin-top: auto;
  padding: 10px 18px;
  background: var(--blue);
  color: white;
  text-decoration: none;
  border-radius: 10px;
  font-size: 14px;
  font-weight: 600;
  text-align: center;
  transition: var(--transition);
}

.card-btn:hover{
  background: var(--deep);
}

/* ================= MODAL ================= */
.modal-bg{
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.65);
  justify-content: center;
  align-items: center;
  padding: 20px;
  z-index: 999;
}

.modal{
  background: white;
  width: 100%;
  max-width: 700px;
  border-radius: var(--radius);
  overflow: hidden;
  animation: modalShow 0.3s ease;
}

@keyframes modalShow{
  from{opacity: 0; transform: scale(0.95);}
  to{opacity: 1; transform: scale(1);}
}

.modal-header{
  background: var(--blue);
  color: white;
  padding: 20px;
  font-size: 22px;
  font-weight: 600;
}

.modal-body{
  padding: 24px;
  line-height: 1.8;
  font-size: 16px;
  color: #222;
}

.modal-close{
  padding: 16px;
  text-align: center;
  background: var(--aqua);
  color: white;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
}

.modal-close:hover{
  background: var(--deep);
}

/* ================= PAGINATION ================= */
.pagination{
  display: flex;
  justify-content: center;
  gap: 12px;
  padding: 45px 0;
  flex-wrap: wrap;
}

.pagination a,
.pagination span{
  padding: 9px 16px;
  border-radius: 10px;
  background: white;
  border: 1px solid #ddd;
  text-decoration: none;
  color: var(--text);
  font-size: 15px;
  transition: var(--transition);
}

.pagination a:hover{
  background: var(--blue);
  color: white;
  border-color: var(--blue);
}

.pagination .active{
  background: var(--blue);
  color: white;
  border-color: var(--blue);
}

/* ================= RESPONSIVE ================= */
@media(max-width:900px){
  .hero{
    flex-direction: column;
    text-align: center;
  }

  .vlog-grid{
    grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  }
}

@media(max-width:500px){
  .vlog-grid{
    grid-template-columns: repeat(1, 1fr);
    gap: 20px;
  }

  .card img{
    height: 160px;
  }

  .hero h1{
    font-size: 34px;
  }

  .hero p{
    font-size: 16px;
  }

  .chip{
    font-size: 14px;
    padding: 10px 18px;
  }

  .card-btn{
    font-size: 13px;
    padding: 9px 16px;
  }
}