:root {
	--hero-h: 100vh;
  }

  * {
	box-sizing: border-box;
  }

  body {
	margin: 0;
	font-family: system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, sans-serif;
	color: #fff;
	background: #000;
  }

  .mo-only-br {
    display: none;
  }

  /* 모바일에서만 보이게 */
  @media screen and (max-width: 768px) {
    .mo-only-br {
        display: inline;
    }
  }

  /* ===== 섹션 1 ===== */
	.scrolly {
	  position: relative;
	}

	.sticky-wrap {
	  position: sticky;
	  top: 0;
	  height: 100vh;
	  overflow: hidden;
	  background: #000;
	}

	.picture-wrap {
	  position: absolute;
	  inset: 0;
	}

	.picture-wrap img {
	  width: 100%;
	  object-fit: cover;
	  object-position: center;
	  pointer-events: none;
	}

	.Overlay {
	  position: absolute;
	  inset: 0;
	  display: flex;
	  justify-content: center;
	  padding: 14vw 6vw;
	}

	.Overlay::after {
	  content: "";
	  position: absolute;
	  inset: 0;
	}

	.headline {
	  position: relative;
	  z-index: 2;
	  text-align: center;
	  color: #fff;
	  text-shadow: 0 2px 14px rgba(0, 0, 0, 0.5);
	  line-height: 1.25;
	}

	.headline .big {
	  font-weight: 800;
	  font-size: clamp(2.8rem, 7.8vw, 6.4rem);
	  margin: 0;
	}

	.headline h2 {
	  font-size: clamp(1.4rem, 3.8vw, 2.5rem);
	  margin-bottom: 0px;
	  color: #f87474;
	}

	.headline h3 {
	  font-size: clamp(1.2rem, 3.2vw, 2.5rem);
	  margin-top: 6px;
	  color: #f87474;
	}

	@media (max-width: 900px) {
	  .Overlay {
		padding: 32vw 6vw;
	  }

	  .headline {
		position: absolute;
		top: 22vh;
		left: 50%;
		transform: translateX(-50%);
		width: 100%;
	  }

	  .headline .big {
		font-size: clamp(26px, 12vw, 40px);
	  }

	  .headline h2 {
		font-size: clamp(16px, 7vw, 30px);
	  }

	  .headline h3 {
		font-size: clamp(16px, 7vw, 30px);
	  }
	}

  /* ===== 섹션 2 ===== */
    .hero2 {
	  position: relative;
	  height: 1159px;
	}

	.sticky2 {
	  position: sticky;
	  top: 0;
	  height: 1159px;
	  overflow: hidden;
	}

	.picture-wrap2 {
	  position: absolute;
	  inset: 0;
	  z-index: 1;
	}

	.picture-wrap2 img {
	  width: 100%;
	  height: 100%;
	  object-fit: cover;
	}

	.device-layer {
	  position: absolute;
	  inset: 0;
	  z-index: 2;
	  display: flex;
	  align-items: center;
	  justify-content: center;
	  pointer-events: none;
	}

	@media (max-width: 900px) {
	  .device-picture img {
		display: none;
	  }

	  .hero2 {
		height: 950px;
	  }
	  .sticky2 {
	  	height: 100%;
	  }
	}

  /* ===== 섹션 3 ===== */
	.hero3 {
	  position: relative;
	  height: 1043px;
	}

	.sticky3 {
	  position: sticky;
	  top: 0;
	  height: 1043px;
	  overflow: hidden;
	}

	.picture-wrap3 {
	  position: absolute;
	  inset: 0;
	  z-index: 1;
	}

	.picture-wrap3 img {
	  width: 100%;
	  height: 100%;
	  object-fit: cover;
	}

	.device-layer3 {
	  position: absolute;
	  inset: 0;
	  z-index: 2;
	  display: flex;
	  align-items: center;
	  justify-content: center;
	  pointer-events: none;
	}

	.device-layer3 img {
	  max-width: 67vw;
	  height: auto;
	}

	@media (max-width: 900px) {
	  .device-picture3 img {
		max-width: 89vw;
	  }
	}


  /* ===== 섹션 4 ===== */
  .hero4 {
	position: relative;
	background: #000;
	height: 1021px;
  }

  .bg4 {
	display: block;
	width: 100%;
	height: 100%;
	object-fit: cover;
	object-position: center;
	user-select: none;
	pointer-events: none;
  }

  .overlay4 {
	position: absolute;
	inset: 0;
	display: grid;
	place-items: center;
	z-index: 2;
  }

  .feature4-img {
	width: 100%;
	height: 100%;
	opacity: 0;
	transform: translate3d(0, 30px, 0) scale(0.975);
	filter: drop-shadow(0 14px 40px rgba(0, 0, 0, 0.45));
	transition: opacity 1s ease, transform 1s ease;
	pointer-events: none;
  }

  .hero4.show .feature4-img {
	opacity: 1;
	transform: translate3d(0, 0, 0) scale(1);
  }

  .badgeCloud {
	position: absolute;
	inset: 0;
	display: grid;
	place-items: center;
	z-index: 3;
	pointer-events: none;
  }

  .badge {
	position: absolute;
	left: 50%;
	top: 20%;
	width: clamp(56px, 16vw, 300px)
	opacity: 0;
	transform: translate(-50%, 0) translateY(30px) scale(0.95);
	filter: drop-shadow(0 8px 22px rgba(0, 0, 0, 0.35));
	transition: opacity 1s ease, transform 1s ease;
	transition-delay: var(--delay, 0ms);
  }

  .hero4.show .badge {
	opacity: 1;
	transform: translate(-50%, 0) translateY(0) scale(1);
  }

  .hub-img {
	position: absolute;
	left: 50%;
	bottom: 20%;
	transform: translateX(-50%) translateY(30px) scale(0.95);
	width: clamp(120px, 30vw, 600px);
	height: auto;
	opacity: 0;
	filter: drop-shadow(0 10px 30px rgba(0, 0, 0, 0.45));
	transition: opacity 1s ease, transform 1s ease;
	transition-delay: var(--hub-delay, 0ms);
  }

  .hero4.show .hub-img {
	opacity: 1;
	transform: translateX(-50%) translateY(0) scale(1);
  }

  @media (max-width: 900px) {
	 .hero4 {
		height: auto;
	 }

	.hub-img {
	   bottom: 12%;
       width: 100%;
	}
	.badge {
	  top: 16%;
	  width: clamp(56px, 45vw, 200px);
	}
	.overlay4 .badge:nth-of-type(1) { left: 38%; top: 14%; }
	.overlay4 .badge:nth-of-type(2) { left: 60%; top: 16%; }
	.overlay4 .badge:nth-of-type(3) { left: 56%; top: 26%; }
	.overlay4 .badge:nth-of-type(4) { left: 20%; top: 28%; }
	.overlay4 .badge:nth-of-type(5) { left: 44%; top: 22%; }
	.overlay4 .badge:nth-of-type(6) { left: 80%; top: 28%; }
  }

  /* ===== 섹션 5 ===== */
  .hero5 {
	position: relative;
	background: #000;
  }

  .sticky5 {
	position: sticky;
	top: 0;
	height: var(--hero-h);
	overflow: hidden;
  }

  .bg5 {
	position: absolute;
	inset: 0;
	width: 100%;
	height: 100%;
	object-fit: cover;
	object-position: center;
	user-select: none;
	pointer-events: none;
	display: block;
	z-index: 1;
  }

  .overlay5 {
	position: absolute;
	inset: 0;
	display: grid;
	place-items: center;
	padding: 0 6vw;
	z-index: 2;
	bottom: 9vh;
  }

  /* 모바일 최적화 */
  @media (max-width: 900px) {
	.bg,
	.bg2,
	.bg3,
	.bg4,
	.bg5 {
	  height: auto;
	}
	.note {
	  width: auto;
	  max-width: 60vw;
	  height: auto;
	}
	.sticky-wrap,
	.sticky5 {
	  height: var(--hero-h);
	}
	.headline .small {
	  font-size: clamp(13px, 3.6vw, 16px);
	}
	.feature5-img {
	  max-width: min(220px, 25vw);
	  bottom: 2%;
	}
	.contact5-wrap {
	  padding: 0 4vw;
	  align-items: end;
	  justify-items: center;
	}
	.contact5-card {
	  width: 100%;
	  margin-bottom: max(40vh, 120px);
	  padding: 18px 16px 16px;
	}
	.contact5-title {
	  font-size: 18px;
	}
	.contact5-field {
	  height: 42px;
	  font-size: 14px;
	}
	.contact5-textarea {
	  height: 90px;
	}
	.contact5-submit {
	  height: 44px;
	  font-size: 14px;
	}
	.contact-float-btn {
	  right: 14px;
	  bottom: 14%;
	  top: auto;
	  transform: none;
	  width: 85px;
	  height: 64px;
	}
	.contact-float-btn:hover {
	  transform: none;
	}
  }

  .sr-only {
	position: absolute;
	width: 1px;
	height: 1px;
	padding: 0;
	margin: -1px;
	overflow: hidden;
	clip: rect(0, 0, 0, 0);
	white-space: nowrap;
	border: 0;
  }

  @supports (-webkit-touch-callout: none) {
    @media (pointer: coarse) {
  	  .contact5-field,
  	  .contact5-textarea,
  	  .contact5-select {
  	    font-size: 16px !important;
  	    line-height: 1.4;
  	    height: 46px;
  	  }
    }
  }

  @supports (height: 100dvh) {
    .contact5-wrap { padding-bottom: calc(env(safe-area-inset-bottom) + var(--bottom-ui, 0px)); }
    .contact-float-btn {
      bottom: calc(14% + var(--bottom-ui, 0px));
    }
}

/* ===== Section 6 ===== */
.hero6 {
  position: relative;
  height: 569px;
  background: #000;
  overflow: hidden;
  padding-bottom: clamp(160px, 28vh, 260px);
  box-sizing: border-box;
}

.picture-wrap6 {
  position: absolute;
  inset: 0;
  z-index: 1;
}

.bg6 {
  width: 100%;
  height: 100%;
  object-fit: cover;
  pointer-events: none;
  user-select: none;
}

.yearWrap6 {
  position: absolute;
  left: 0;
  right: 0;
  bottom: clamp(40px, 10vh, 120px);
  z-index: 2;
  display: flex;
  justify-content: center;
  opacity: 1;
  transform: translateY(24px);
  transition: opacity 0.8s ease, transform 0.8s ease;
  pointer-events: none;
}

.hero6.show-metrics .yearWrap6 {
  opacity: 1;
  transform: translateY(0);
}

.year-cards6 {
  display: flex;
  gap: clamp(12px, 3vw, 28px);

  position: relative;
}

.year-card {
  position: relative;
  width: min(300px, 26vw);
  border-radius: 16px;
  overflow: hidden;
}

.year-card img.bg {
  width: 100%;
  height: auto;
  display: block;
}

.year-card::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 45%;
  z-index: 1;
}

.year-text {
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  color: #fff;
  text-align: center;
  text-shadow: 0 2px 8px rgba(0, 0, 0, 0.6);
}

.year-text.num {
  bottom: 80px;
  font-size: clamp(28px, 4.5vw, 75px);
  font-weight: 900;
}

.year-text.desc {
  bottom: 40px;
  font-size: clamp(14px, 2vw, 18px);
  opacity: 0.9;
  color: #4FD6FF;
  width: 100%;
}

@media (max-width: 900px) {
  .picture-wrap6 {
     inset: unset;
  }

  .hero6 {
    height: 110vh;
    padding-bottom: 0;
  }

  .yearWrap6 {
    top: clamp(120px, 28vh, 200px);
    bottom: auto;

    opacity: 1;
    transform: translateY(16px);
  }

  .hero6.show-metrics .yearWrap6 {
    opacity: 1;
    transform: translateY(0);
  }

  .year-cards6 {
    flex-direction: column;
    align-items: center;
    gap: 10px;
    width: 100%;
    padding: 0 5vw;
    box-sizing: border-box;
  }

  .year-card {
    width: 100%;
    max-width: 300px;
    height: 150px;
    border-radius: 14px;
  }

  .year-text.num {
    bottom: 44px;
    font-size: clamp(34px, 16.5vw, 65px);
    line-height: 1.05;
    letter-spacing: -0.01em;
  }

  .year-text.desc {
    bottom: 14px;
    font-size: clamp(14px, 4.2vw, 16px);
    line-height: 1.25;
    letter-spacing: -0.01em;
  }
}