/* =========================
   기본 설정
========================= */
*{
  box-sizing:border-box;
}

/* =========================
   기본 섹션
========================= */
.startup_intro{
  position:relative;
  width:100%;
  min-height:100vh;
  overflow:hidden;
  isolation:isolate;
  padding:clamp(50px, 7vw, 100px) 0;
}

/* =========================
   배경
========================= */
.startup_bg{
  position:absolute;
  inset:0;
  width:100%;
  height:100%;
  z-index:0;
  pointer-events:none;
}

.startup_bg img{
  width:100%;
  height:100%;
  object-fit:cover;
  display:block;
}

/* =========================
   컨텐츠 영역
========================= */
.startup_block{
  position:relative;
  z-index:2;

  width:min(1400px, 92vw);
  margin:0 auto;
  padding:0 clamp(12px, 3vw, 24px);

  display:flex;
  flex-direction:column;
  align-items:center;
  gap:clamp(18px, 3.2vw, 42px);
}

/* =========================
   등장 애니메이션
========================= */
.fadeUp2{
  opacity:0;
  transform:translateY(60px);
  transition:all 1s ease;
}

.fadeUp2.show{
  opacity:1;
  transform:translateY(0);
}

/* =========================
   이미지 공통
========================= */
.startup_img{
  display:block;
  width:100%;
  height:auto;
  max-width:100%;
}

/* =========================
   개별 이미지
========================= */
.startup_title{
  width:min(100%, 1100px);
  margin:0 auto;
}

.startup_icon{
  width:min(100%, 1000px);
  margin:0 auto;
}

.startup_procedure{
  width:min(100%, 1200px);
  margin:0 auto;
}

/* =========================
   오버레이 기준
========================= */
.startup_intro_inner{
  position:relative;
  width:100%;
  height:clamp(500px, 60vw, 700px);
  overflow:hidden;
}

.startup_intro_inner img{
  display:block;
}

.startup_about_img{
  width:100%;
  height:100%;
  object-fit:cover;
  display:block;
}

/* =========================
   오버레이 이미지 공통
========================= */
.startup_about_overlay1,
.startup_about_overlay2,
.startup_about_overlay3,
.startup_about_overlay4,
.startup_about_overlay5,
.startup_about_overlay6,
.startup_about_overlay7{
  position:absolute;
  z-index:10;
  pointer-events:none;
  height:auto;
}

/* 위치 */
.startup_about_overlay1{ top:51%; left:9%; width:24%; }
.startup_about_overlay2{ top:21%; left:37%; width:24%; }
.startup_about_overlay3{ top:21%; left:67%; width:24%; }
.startup_about_overlay4{ top:55.5%; left:9%; width:24%; }
.startup_about_overlay5{ top:55.5%; left:37%; width:24%; }
.startup_about_overlay6{ top:55.5%; left:67%; width:24%; }

.startup_about_overlay7{
  top:26%;
  left:15%;
  width:12%;
  z-index:11;
}

/* =========================
   네온 텍스트 공통
========================= */
.startup_about_text{
  font-family:'Jua','Nunito','Poppins',sans-serif;
  position:absolute;
  z-index:20;
  font-weight:900;
  margin:0;
  pointer-events:none;
  letter-spacing:2px;
  line-height:1.1;
  color:#ffffff;
  text-shadow:
    0 0 8px #ff71f6,
    0 0 18px #ff3ecf,
    0 0 35px #c13bff,
    0 0 55px #5a8cff;
}

.startup_about_text strong{
  font-weight:900;
  font-size:1.15em;
  color:#ffffff;
  text-shadow:
    0 0 10px #ff00c8,
    0 0 20px #ff00f2,
    0 0 40px #b200ff,
    0 0 60px #5a00ff;
}

/* =========================
   텍스트 위치
========================= */
.startup_text_pos1{ top:44%; left:13%; font-size:clamp(22px,3vw,60px); }
.startup_text_pos2{ top:44%; left:41%; font-size:clamp(22px,3vw,60px); }
.startup_text_pos3{ top:44%; left:71%; font-size:clamp(22px,3vw,60px); }

.startup_text_pos4{ top:78%; left:13%; font-size:clamp(22px,3vw,60px); }
.startup_text_pos5{ top:78%; left:41%; font-size:clamp(22px,3vw,60px); }
.startup_text_pos6{ top:78%; left:71%; font-size:clamp(22px,3vw,60px); }

.startup_text_pos7{
  top:10%;
  left:32%;
  transform:translateX(-50%);
  text-align:center;
  font-size:clamp(28px,5vw,60px);
}

/* =========================
   상단 네온 타이틀
========================= */
.iot_title{
  position:absolute;
  top:18%;
  left:50%;
  transform:translateX(-50%);

  font-size:clamp(28px,3.5vw,60px);
  font-weight:900;
  letter-spacing:2px;

  color:#fff8dc;

  text-shadow:
    0 0 5px #fff,
    0 0 10px #ffd700,
    0 0 20px #ffae00,
    0 0 35px #ff6a00,
    2px 2px 0 #8b0000,
    4px 4px 0 #5a0000;

  z-index:50;
  margin:0;
  pointer-events:none;
}

/* =========================
   텍스트 설명
========================= */
.startup_intro p{
  font-size:clamp(16px,1.8vw,22px);
  line-height:1.9;
  color:#4b008f;
  text-shadow:
    0 1px 3px rgba(0,0,0,0.3),
    0 0 8px rgba(255,0,200,0.15);
}

.startup_intro .highlight{
  font-size:clamp(16px,1.8vw,20px);
  font-weight:700;
  color:#111;
  margin-top:30px;
}

.highlight{
  display:inline-block;
  margin-top:30px;
  font-size:clamp(18px,2vw,26px);
  padding:12px 30px;
  border-radius:50px;
  background:linear-gradient(45deg,#ff8ad8,#ffc1f0);
  color:#fff;
  box-shadow:
    0 0 20px rgba(255,138,216,0.7),
    inset 0 0 10px rgba(255,255,255,0.5);
}

/* =========================
   그리드
========================= */
.startup_grid{
  width:100%;
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:clamp(16px,3vw,30px);
}

.startup_grid img{
  width:100%;
  height:auto;
  display:block;
  border-radius:14px;
  object-fit:cover;
}

/* =========================
   태블릿
========================= */
@media (max-width:900px){
  .startup_intro{
    padding:clamp(40px, 6vw, 70px) 0;
  }

  .startup_block{
    width:min(96vw, 900px);
    gap:clamp(16px, 3.5vw, 30px);
  }

  .startup_title{
    width:min(100%, 900px);
  }

  .startup_icon{
    width:min(100%, 820px);
  }

  .startup_procedure{
    width:min(100%, 900px);
  }

  .startup_grid{
    grid-template-columns:repeat(2,1fr);
  }
}

/* =========================
   모바일
========================= */
@media (max-width:520px){
  .startup_intro{
    min-height:auto;
    padding:36px 0 50px;
  }

  .startup_block{
    width:94vw;
    padding:0;
    gap:16px;
  }

  .startup_title{
    width:100%;
    max-width:96vw;
  }

  .startup_icon{
    width:100%;
    max-width:94vw;
  }

  .startup_procedure{
    width:100%;
    max-width:96vw;
  }

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