/* Reason why BitPlanet Section */
.sec_reason {
  padding: 100px 0;
  background: url("/img/main/reason_bg.jpg") center center/cover no-repeat;
  position: relative;
}

.sec_reason .inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
  position: relative;
  z-index: 2;
}

.sec_reason .sec_reason_tit {
  text-align: center;
  margin-bottom: 100px;
}

.sec_reason .sec_reason_tit h2 {
  font-size: 70px;
  font-weight: 700;
  background: linear-gradient(90deg, #268bff, #27b7ff, #a1e4ff);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 40px;
  line-height: 1.2;
  transform: scaleY(0.8);
}

.sec_reason .sec_reason_tit p {
  font-size: 24px;
  font-weight: 300;
  color: #fff;
  line-height: 1.6;
  max-width: 800px;
  margin: 0 auto;
}

.sec_reason .sec_reason_tit p b {
  font-weight: 700;
}

.sec_reason .cards_wrap {
  display: flex;
  gap: 30px;
}

.sec_reason .card_item {
  flex: 1;
  min-height: 510px;
  border-radius: 20px;
  border: 1px solid #585858;
  padding: 40px 30px;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  display: flex;
  flex-direction: column;
  justify-content: end;
  align-items: start;
}

.sec_reason .card_item:nth-child(1) {
  background-image: url("/img/main/reason_01.png");
}

.sec_reason .card_item:nth-child(2) {
  background-image: url("/img/main/reason_02.jpg");
}

.sec_reason .card_item:nth-child(3) {
  background-image: url("/img/main/reason_03.jpg");
}

.sec_reason .card_item > * {
  position: relative;
  z-index: 2;
}

.sec_reason .card_item:hover {
  transform: translateY(-10px);
}

.sec_reason .card_icon {
  width: 80px;
  height: 80px;
  margin: 0 auto 25px;
  background: linear-gradient(135deg, #4a90e2, #357abd);
  border-radius: 50%;
  display: flex;
  align-items: end;
  justify-content: start;
}

.sec_reason .card_item h3 {
  font-size: 40px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 20px;
}

.sec_reason .card_item p {
  font-size: 18px;
  color: #fff;
  line-height: 2;
  font-weight: 300;
}

/* Mobile Responsive */
@media (max-width: 1024px) {
  .sec_reason .sec_reason_tit h2 {
    font-size: 60px;
  }

  .sec_reason .sec_reason_tit p {
    font-size: 20px;
  }

  .sec_reason .card_item h3 {
    font-size: 36px;
  }

  .sec_reason .card_item p {
    font-size: 16px;
  }
}

@media (max-width: 768px) {
  .sec_reason {
    padding: 80px 0;
  }

  .sec_reason .sec_reason_tit h2 {
    font-size: 48px;
    margin-bottom: 20px;
  }

  .sec_reason .sec_reason_tit p {
    font-size: 18px;
    line-height: 1.8;
  }

  .sec_reason .sec_reason_tit {
    margin-bottom: 50px;
  }

  .sec_reason .cards_wrap {
    flex-direction: column;
    gap: 25px;
  }

  .sec_reason .card_item {
    max-width: none;
    min-height: 400px;
    padding: 35px 25px;
  }

  .sec_reason .card_item h3 {
    font-size: 32px;
    margin-bottom: 18px;
  }

  .sec_reason .card_item p {
    font-size: 16px;
    line-height: 1.8;
  }
}

@media (max-width: 480px) {
  .sec_reason {
    padding: 60px 0;
  }

  .sec_reason .inner {
    padding: 0 20px;
  }

  .sec_reason .sec_reason_tit h2 {
    font-size: 36px;
    margin-bottom: 15px;
  }

  .sec_reason .sec_reason_tit p {
    font-size: 16px;
    line-height: 1.7;
  }

  .sec_reason .sec_reason_tit {
    margin-bottom: 40px;
  }

  .sec_reason .cards_wrap {
    gap: 20px;
  }

  .sec_reason .card_item {
    min-height: 350px;
    padding: 30px 20px;
  }

  .sec_reason .card_item h3 {
    font-size: 28px;
    margin-bottom: 15px;
  }

  .sec_reason .card_item p {
    font-size: 15px;
    line-height: 1.7;
  }
}

@media (max-width: 360px) {
  .sec_reason .inner {
    padding: 0 15px;
  }

  .sec_reason .sec_reason_tit h2 {
    font-size: 32px;
  }

  .sec_reason .card_item {
    min-height: 320px;
    padding: 25px 15px;
  }

  .sec_reason .card_item h3 {
    font-size: 24px;
  }

  .sec_reason .card_item p {
    font-size: 14px;
  }
}

/* Grid Cards Section */
.sec_grid {
  padding: 100px 0;
  background-color: #f9fafb;
}

.sec_grid .inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

.sec_grid .grid_container {
  display: flex;
  flex-direction: column;
  gap: 30px;
}

.sec_grid .grid_row {
  display: flex;
  gap: 30px;
}

.sec_grid .top_row {
  height: 488px;
}

.sec_grid .bottom_rows {
  height: 733px;
}

.sec_grid .grid_left_top {
  display: flex;
  flex-direction: column;
  gap: 30px;
  flex: 0 0 calc(42% - 15px);
}

.sec_grid .grid_left_bottom {
  display: flex;
  flex-direction: column;
  gap: 30px;
  flex: 0 0 calc(58% - 15px);
}

.sec_grid .grid_card {
  position: relative;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  border-radius: 20px;
  padding: 40px 30px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
  transition: all 0.3s ease;
  display: flex;
  flex-direction: column;
  justify-content: end;
  overflow: hidden;
}

.sec_grid .grid_card:after {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(225deg, transparent 0%, #000 100%);
}

.sec_grid .grid_card.grid_item_01 {
  background-image: url("/img/main/grid_01.jpg");
}
.sec_grid .grid_card.grid_item_02 {
  background-image: url("/img/main/grid_02.jpg");
}
.sec_grid .grid_card.grid_item_03 {
  background-image: url("/img/main/grid_03.jpg");
}
.sec_grid .grid_card.grid_item_04 {
  background-image: url("/img/main/grid_04.jpg");
}
.sec_grid .grid_card.grid_item_05 {
  background-image: url("/img/main/grid_05.jpg");
}

.sec_grid .grid_card h3 {
  position: relative;
  z-index: 1;
  font-size: 33px;
  font-weight: 700;
  color: #6ab0e3;
  margin-bottom: 15px;
  line-height: 1.3;
  letter-spacing: -1px;
}

.sec_grid .grid_card p {
  position: relative;
  z-index: 1;
  font-size: 19px;
  color: #fff;
  line-height: 29px;
}

.sec_grid .grid_card p b {
  font-weight: 700;
}

/* Grid Card Sizes */
.sec_grid .small_card {
  flex: 0 0 calc(42% - 15px);
}

.sec_grid .large_card {
  flex: 0 0 calc(58% - 15px);
}

.sec_grid .medium_card:first-child {
  height: 291px;
}
.sec_grid .medium_card {
  height: 411px;
}

.sec_grid .tall_card {
  flex: 0 0 calc(58% - 15px);
  height: 733px;
}

.sec_grid .tall_card_left {
  flex: 0 0 calc(42% - 15px);
  height: 733px;
}

/* Mobile Responsive for Grid */
@media (max-width: 1024px) {
  .sec_grid .top_row {
    height: 400px;
  }

  .sec_grid .bottom_rows {
    height: 600px;
  }

  .sec_grid .medium_card:first-child {
    height: 240px;
  }

  .sec_grid .medium_card {
    height: 330px;
  }

  .sec_grid .tall_card_left {
    height: 600px;
  }

  .sec_grid .grid_card h3 {
    font-size: 28px;
  }

  .sec_grid .grid_card p {
    font-size: 17px;
    line-height: 26px;
  }

  .sec_grid .grid_card {
    padding: 35px 25px;
  }
}

@media (max-width: 768px) {
  .sec_grid {
    padding: 80px 0;
  }

  .sec_grid .grid_container {
    gap: 25px;
  }

  .sec_grid .grid_row {
    flex-direction: column;
    gap: 25px;
  }

  .sec_grid .top_row,
  .sec_grid .bottom_rows {
    height: auto;
  }

  .sec_grid .grid_left_top,
  .sec_grid .grid_left_bottom {
    flex: 1 1 100%;
    gap: 25px;
  }

  .sec_grid .small_card,
  .sec_grid .large_card,
  .sec_grid .tall_card,
  .sec_grid .tall_card_left {
    flex: 1 1 100%;
  }

  .sec_grid .medium_card:first-child,
  .sec_grid .medium_card,
  .sec_grid .tall_card,
  .sec_grid .tall_card_left {
    height: 300px;
  }

  .sec_grid .grid_card {
    padding: 30px 25px;
    min-height: 300px;
  }

  .sec_grid .grid_card h3 {
    font-size: 24px;
    margin-bottom: 15px;
  }

  .sec_grid .grid_card p {
    font-size: 16px;
    line-height: 24px;
  }
}

@media (max-width: 480px) {
  .sec_grid {
    padding: 60px 0;
  }

  .sec_grid .inner {
    padding: 0 20px;
  }

  .sec_grid .grid_container {
    gap: 20px;
  }

  .sec_grid .grid_row {
    gap: 20px;
  }

  .sec_grid .grid_left_top,
  .sec_grid .grid_left_bottom {
    gap: 20px;
  }

  .sec_grid .grid_card {
    padding: 25px 20px;
    min-height: 280px;
    height: 280px;
  }

  .sec_grid .medium_card:first-child,
  .sec_grid .medium_card,
  .sec_grid .tall_card,
  .sec_grid .tall_card_left {
    height: 280px;
  }

  .sec_grid .grid_card h3 {
    font-size: 20px;
    margin-bottom: 12px;
  }

  .sec_grid .grid_card p {
    font-size: 14px;
    line-height: 20px;
  }
}

@media (max-width: 360px) {
  .sec_grid .inner {
    padding: 0 15px;
  }

  .sec_grid .grid_container {
    gap: 15px;
  }

  .sec_grid .grid_row {
    gap: 15px;
  }

  .sec_grid .grid_left_top,
  .sec_grid .grid_left_bottom {
    gap: 15px;
  }

  .sec_grid .grid_card {
    padding: 20px 15px;
    min-height: 250px;
    height: 250px;
  }

  .sec_grid .medium_card:first-child,
  .sec_grid .medium_card,
  .sec_grid .tall_card,
  .sec_grid .tall_card_left {
    height: 250px;
  }

  .sec_grid .grid_card h3 {
    font-size: 18px;
    margin-bottom: 10px;
  }

  .sec_grid .grid_card p {
    font-size: 13px;
    line-height: 18px;
  }
}

.sec_program {
  padding: 165px 0;
  background-image: url("/img/main/program_bg.jpg");
  background-position: center;
  background-size: cover;
  background-repeat: no-repeat;
}

.sec_program p {
  text-align: center;
  font-size: 45px;
  font-weight: 100;
  color: #fff;
  margin-bottom: 20px;
}

.sec_program h2 {
  text-align: center;
  font-size: 80px;
  font-weight: 700;
  color: #fff;
}

/* Mobile Responsive for sec_program */
@media (max-width: 1024px) {
  .sec_program {
    padding: 120px 0;
  }
  
  .sec_program p {
    font-size: 36px;
  }
  
  .sec_program h2 {
    font-size: 64px;
  }
}

@media (max-width: 768px) {
  .sec_program {
    padding: 100px 0;
  }
  
  .sec_program p {
    font-size: 28px;
    margin-bottom: 15px;
  }
  
  .sec_program h2 {
    font-size: 48px;
  }
}

@media (max-width: 480px) {
  .sec_program {
    padding: 80px 20px;
  }
  
  .sec_program p {
    font-size: 24px;
    margin-bottom: 15px;
  }
  
  .sec_program h2 {
    font-size: 36px;
  }
}

@media (max-width: 360px) {
  .sec_program {
    padding: 60px 15px;
  }
  
  .sec_program p {
    font-size: 20px;
    margin-bottom: 12px;
  }
  
  .sec_program h2 {
    font-size: 32px;
  }
}