@import url("https://cdn.jsdelivr.net/gh/orioncactus/pretendard@v1.3.9/dist/web/variable/pretendardvariable-dynamic-subset.min.css");

:root {
  --ink: #102033;
  --muted: #64748b;
  --line: rgba(16, 32, 51, 0.14);
  --white: #ffffff;
  --accent: #0f8fa8;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-snap-type: y mandatory;
  scrollbar-gutter: stable;
}

body {
  margin: 0;
  padding-bottom: 0;
  color: var(--ink);
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    "Malgun Gothic", "Apple SD Gothic Neo", sans-serif;
  background: #f5f7fa;
  overscroll-behavior-y: contain;
}

a {
  color: inherit;
  text-decoration: none;
}

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  min-height: 76px;
  padding: 18px clamp(20px, 4vw, 64px);
  color: var(--white);
  border-bottom: 1px solid rgba(255, 255, 255, 0.16);
  background: rgba(7, 23, 38, 0.36);
  box-shadow: 0 10px 34px rgba(7, 23, 38, 0.16);
  backdrop-filter: blur(16px) saturate(1.18);
}

.brand {
  display: inline-flex;
  align-items: center;
  min-height: 38px;
  margin-left: clamp(10px, 2.2vw, 34px);
  font-size: clamp(18px, 2.2vw, 26px);
  font-weight: 800;
  letter-spacing: 0;
  white-space: nowrap;
  text-shadow: 0 2px 10px rgba(0, 0, 0, 0.26);
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: clamp(30px, 3.8vw, 56px);
  margin-right: clamp(28px, 5vw, 84px);
}

.nav-menu a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 0;
  min-height: 36px;
  padding: 8px 0;
  font-family: "Pretendard Variable", Pretendard, "Malgun Gothic", "Apple SD Gothic Neo", system-ui, sans-serif;
  font-size: 18px;
  font-weight: 750;
  line-height: 1;
  color: #ffffff;
  text-shadow: none;
  -webkit-text-stroke: 0;
}

.nav-menu a:hover,
.nav-menu a:focus-visible,
.nav-menu a[aria-current="page"] {
  color: var(--white);
  text-shadow: 0 0 14px rgba(255, 255, 255, 0.45);
  outline: none;
}

.hero {
  position: relative;
  display: flex;
  align-items: flex-end;
  min-height: 100vh;
  min-height: 100svh;
  padding: 136px clamp(20px, 6vw, 92px) clamp(150px, 17vw, 188px);
  overflow: hidden;
  color: var(--white);
  background:
    linear-gradient(90deg, rgba(4, 18, 30, 0.78), rgba(4, 18, 30, 0.12) 64%),
    linear-gradient(180deg, rgba(4, 18, 30, 0.08), rgba(4, 18, 30, 0.38)),
    url("d467dcc5-e84d-4ed7-b9e5-574a17569e43.png") center / cover no-repeat;
}

.hero-content {
  width: min(960px, 100%);
  text-shadow: 0 2px 20px rgba(0, 0, 0, 0.24);
}

.hero h1 {
  margin: 0;
  max-width: 13em;
  font-size: clamp(42px, 6vw, 78px);
  font-weight: 850;
  line-height: 1.08;
  letter-spacing: 0;
}

.hero-subtitle {
  margin: 20px 0 0;
  font-size: clamp(18px, 2.2vw, 26px);
  font-weight: 750;
  line-height: 1.35;
  color: #ffffff;
  letter-spacing: 0;
}

.hero-subtitle span {
  display: inline-block;
  max-width: 0;
  overflow: hidden;
  white-space: nowrap;
  border-right: 2px solid rgba(255, 255, 255, 0.9);
  animation:
    subtitleTyping 2.7s steps(24, end) 450ms forwards,
    subtitleCaret 780ms step-end infinite;
}

@keyframes subtitleTyping {
  from {
    max-width: 0;
  }

  to {
    max-width: 100%;
  }
}

@keyframes subtitleCaret {
  0%,
  100% {
    border-color: rgba(255, 255, 255, 0.9);
  }

  50% {
    border-color: transparent;
  }
}

.company-page {
  height: auto;
  min-height: 100vh;
  padding-bottom: 0;
  overflow-x: hidden;
  overflow-y: auto;
  background: #f6f9fb;
}

.company-page main {
  min-height: 100vh;
  overflow: visible;
}

.company-page .site-header {
  color: #061826;
  border-bottom: 1px solid rgba(14, 172, 192, 0.18);
  background: rgba(255, 255, 255, 0.82);
  box-shadow: 0 12px 30px rgba(6, 24, 38, 0.08);
}

.company-page .brand {
  color: #061826;
  text-shadow: none;
}

.company-page .nav-menu a {
  color: #102033;
}

.company-page .nav-menu a:hover,
.company-page .nav-menu a:focus-visible,
.company-page .nav-menu a[aria-current="page"] {
  color: #087f95;
  text-shadow: none;
}

.company-section {
  position: relative;
  isolation: isolate;
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(320px, 0.95fr);
  align-items: center;
  gap: clamp(34px, 6vw, 88px);
  scroll-margin-top: 96px;
  min-height: clamp(520px, 62vh, 680px);
  padding: clamp(72px, 9vw, 118px) clamp(24px, 8vw, 112px);
  overflow: hidden;
  color: #061826;
  background:
    linear-gradient(180deg, #fbfdff 0%, #f4f8f9 100%);
}

.company-section::before {
  position: absolute;
  inset: 0;
  z-index: 0;
  background-image:
    linear-gradient(rgba(6, 24, 38, 0.055) 1px, transparent 1px),
    linear-gradient(90deg, rgba(6, 24, 38, 0.055) 1px, transparent 1px);
  background-size: 64px 64px;
  content: "";
  mask-image: linear-gradient(180deg, transparent 0%, #000000 16%, #000000 74%, transparent 100%);
  opacity: 0.48;
  pointer-events: none;
}

.company-section::after {
  position: absolute;
  top: clamp(124px, 14vh, 156px);
  bottom: clamp(92px, 10vh, 126px);
  left: clamp(52px, 7vw, 116px);
  z-index: 0;
  width: 1px;
  background: linear-gradient(180deg, transparent, rgba(14, 172, 192, 0.42), transparent);
  box-shadow:
    42vw 0 0 rgba(14, 172, 192, 0.16),
    42vw 0 36px rgba(14, 172, 192, 0.08);
  content: "";
  pointer-events: none;
}

.company-page-section {
  grid-template-columns: minmax(300px, 0.7fr) minmax(0, 1.12fr);
  align-content: center;
  height: auto;
  min-height: 100vh;
  padding: clamp(104px, 12vh, 132px) clamp(36px, 7vw, 104px) clamp(86px, 9vh, 108px);
}

.company-photo {
  position: relative;
  z-index: 1;
  width: min(100%, 520px);
  height: min(610px, calc(100vh - 200px));
  min-height: 360px;
  margin: 0;
  overflow: hidden;
  border: 1px solid rgba(14, 172, 192, 0.18);
  border-radius: 24px;
  background: #eefbff;
  box-shadow: 0 24px 64px rgba(6, 24, 38, 0.12);
}

.company-photo img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 54% center;
  filter: saturate(0.96) contrast(1.03);
}

.company-info {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(118px, 148px);
  gap: clamp(22px, 2.6vw, 40px);
  align-items: center;
  width: min(940px, 100%);
  font-family: "Pretendard Variable", Pretendard, "Malgun Gothic", "Apple SD Gothic Neo", system-ui, sans-serif;
}

.company-copy {
  max-width: 760px;
}

.section-kicker {
  display: inline-flex;
  align-items: center;
  min-height: 32px;
  padding: 6px 12px;
  border: 1px solid rgba(15, 143, 168, 0.22);
  border-radius: 999px;
  color: #0d7388;
  background: rgba(255, 255, 255, 0.68);
  font-size: 14px;
  font-weight: 850;
}

.company-copy h1,
.company-copy h2 {
  margin: 0;
  max-width: 12.8em;
  color: #061826;
  font-size: clamp(32px, 3.2vw, 46px);
  font-weight: 880;
  line-height: 1.14;
  letter-spacing: 0;
  word-break: keep-all;
}

.company-copy p {
  margin: 18px 0 0;
  max-width: 720px;
  color: #102033;
  font-size: clamp(15px, 1.05vw, 17px);
  font-weight: 750;
  line-height: 1.68;
  word-break: keep-all;
}

.company-copy h1 + p {
  margin-top: 24px;
}

.company-stats {
  display: grid;
  gap: 16px;
  justify-self: end;
  width: 100%;
}

.company-stat {
  display: grid;
  gap: 4px;
  min-height: 92px;
  align-content: center;
  padding: 16px 0 16px 18px;
  border-left: 2px solid rgba(14, 172, 192, 0.34);
}

.company-stat strong {
  display: block;
  color: #061826;
  font-size: clamp(30px, 2.6vw, 42px);
  font-weight: 900;
  line-height: 1;
  letter-spacing: 0;
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}

.company-stat span {
  display: block;
  color: #5d6b7c;
  font-size: 14px;
  font-weight: 850;
  line-height: 1.25;
  word-break: keep-all;
}

.company-points {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 30px;
}

.company-points span {
  display: inline-flex;
  align-items: center;
  min-height: 42px;
  padding: 9px 16px;
  border: 1px solid rgba(16, 32, 51, 0.12);
  border-radius: 999px;
  color: #17283b;
  background: rgba(255, 255, 255, 0.78);
  box-shadow: 0 10px 26px rgba(15, 42, 64, 0.08);
  font-size: 15px;
  font-weight: 820;
}

.company-footer {
  position: absolute;
  right: clamp(36px, 7vw, 104px);
  bottom: 24px;
  left: clamp(36px, 7vw, 104px);
  z-index: 1;
  display: flex;
  flex-wrap: wrap;
  gap: 10px 20px;
  padding-top: 16px;
  border-top: 1px solid rgba(14, 172, 192, 0.24);
  color: #102033;
  font-size: 13px;
  font-weight: 780;
}

.company-footer span + span {
  position: relative;
  padding-left: 18px;
}

.company-footer span + span::before {
  position: absolute;
  top: 50%;
  left: 0;
  width: 1px;
  height: 12px;
  background: rgba(14, 172, 192, 0.34);
  content: "";
  transform: translateY(-50%);
}

.contact-modal {
  position: fixed;
  inset: 0;
  z-index: 80;
  display: grid;
  place-items: center;
  padding: 24px;
  background: rgba(6, 18, 28, 0.22);
  opacity: 0;
  pointer-events: none;
  transition: opacity 180ms ease;
  backdrop-filter: blur(8px);
}

.contact-modal.is-open {
  opacity: 1;
  pointer-events: auto;
}

.contact-panel {
  position: relative;
  width: min(312px, 100%);
  padding: 22px;
  border: 1px solid rgba(16, 32, 51, 0.12);
  border-radius: 10px;
  color: #061826;
  background: rgba(255, 255, 255, 0.94);
  box-shadow: 0 30px 80px rgba(6, 18, 28, 0.24);
  transform: translateY(10px) scale(0.98);
  transition: transform 180ms ease;
}

.contact-modal.is-open .contact-panel {
  transform: translateY(0) scale(1);
}

.contact-panel::before {
  display: block;
  width: 58px;
  height: 2px;
  margin-bottom: 16px;
  border-radius: 999px;
  background: linear-gradient(90deg, #102033, #d9b56f);
  content: "";
}

.contact-panel strong {
  display: block;
  margin: 0 34px 16px 0;
  font-size: 21px;
  font-weight: 900;
  line-height: 1.2;
}

.contact-close {
  position: absolute;
  top: 14px;
  right: 14px;
  display: grid;
  width: 32px;
  height: 32px;
  place-items: center;
  border: 1px solid rgba(16, 32, 51, 0.1);
  border-radius: 50%;
  color: #102033;
  background: #ffffff;
  cursor: pointer;
  font-size: 22px;
  line-height: 1;
}

.contact-close:focus-visible {
  outline: 2px solid rgba(14, 172, 192, 0.46);
  outline-offset: 2px;
}

.contact-options {
  display: grid;
  gap: 10px;
}

.contact-option {
  display: grid;
  grid-template-columns: 38px minmax(0, 1fr);
  gap: 12px;
  align-items: center;
  min-height: 58px;
  padding: 10px;
  border: 1px solid rgba(16, 32, 51, 0.1);
  border-radius: 8px;
  background: #ffffff;
  box-shadow: 0 10px 24px rgba(6, 18, 28, 0.07);
}

.contact-option:hover,
.contact-option:focus-visible {
  border-color: rgba(14, 172, 192, 0.3);
  outline: none;
  transform: translateY(-1px);
}

.contact-option-icon {
  display: grid;
  width: 38px;
  height: 38px;
  place-items: center;
  border-radius: 50%;
  color: var(--contact-color);
  background: var(--contact-bg);
}

.contact-option-icon svg {
  width: 19px;
  height: 19px;
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 2;
}

.contact-option b,
.contact-option small {
  display: block;
  line-height: 1.25;
}

.contact-option b {
  color: #061826;
  font-size: 14px;
  font-weight: 900;
}

.contact-option small {
  margin-top: 3px;
  color: #5d6b7c;
  font-size: 12px;
  font-weight: 720;
}

.contact-option-phone {
  --contact-bg: #102033;
  --contact-color: #ffffff;
}

.contact-option-kakao {
  --contact-bg: #ffe74f;
  --contact-color: #3a2b0c;
}

.contact-option-blog {
  --contact-bg: #eaf8ef;
  --contact-color: #1b7d42;
}

.film-page-root {
  background: #f5f7fa;
  scroll-snap-type: none;
  scrollbar-color: rgba(72, 98, 122, 0.28) #f5f7fa;
}

.film-page-root::-webkit-scrollbar {
  width: 12px;
}

.film-page-root::-webkit-scrollbar-track {
  background: #f5f7fa;
}

.film-page-root::-webkit-scrollbar-thumb {
  border: 3px solid #f5f7fa;
  border-radius: 999px;
  background: rgba(72, 98, 122, 0.28);
}

.film-page {
  --film-bg-glass-shift: 0px;
  --film-bg-reflection-shift: 0px;
  position: relative;
  min-height: 100vh;
  padding-bottom: 0;
  color: #061826;
  overflow-x: hidden;
  background: #eef3f7;
}

.film-page::before {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 0;
  background:
    linear-gradient(105deg, transparent 0 12%, rgba(255, 255, 255, 0.38) 12.4%, rgba(211, 222, 232, 0.08) 18%, transparent 26% 74%, rgba(255, 255, 255, 0.28) 78%, transparent 88%),
    repeating-linear-gradient(90deg, transparent 0 148px, rgba(167, 184, 200, 0.14) 149px, transparent 151px),
    repeating-linear-gradient(180deg, transparent 0 118px, rgba(255, 255, 255, 0.34) 119px, transparent 121px),
    linear-gradient(180deg, rgba(255, 255, 255, 0.5), rgba(232, 237, 242, 0.16));
  content: "";
  -webkit-mask-image: radial-gradient(ellipse at 50% 44%, #000000 0 46%, transparent 74%);
  mask-image: radial-gradient(ellipse at 50% 44%, #000000 0 46%, transparent 74%);
  opacity: 0.1;
  pointer-events: none;
  transform: translate3d(0, var(--film-bg-glass-shift), 0);
  will-change: transform;
}

.film-page::after {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 0;
  background:
    linear-gradient(108deg, transparent 0 8%, rgba(255, 255, 255, 0.62) 11%, rgba(211, 222, 232, 0.13) 18%, transparent 30%),
    linear-gradient(252deg, transparent 0 10%, rgba(255, 255, 255, 0.54) 14%, rgba(167, 184, 200, 0.12) 22%, transparent 34%),
    radial-gradient(circle at 18% 24%, rgba(6, 24, 38, 0.055) 0 0.6px, transparent 0.9px),
    radial-gradient(circle at 72% 68%, rgba(255, 255, 255, 0.7) 0 0.6px, transparent 1px);
  background-size: auto, auto, 5px 5px, 7px 7px;
  content: "";
  opacity: 0.09;
  pointer-events: none;
  transform: translate3d(0, var(--film-bg-reflection-shift), 0);
  will-change: transform;
}

.film-page .site-header {
  color: #061826;
  border-bottom: 1px solid rgba(14, 172, 192, 0.18);
  background: rgba(255, 255, 255, 0.84);
  box-shadow: 0 12px 30px rgba(6, 24, 38, 0.08);
}

.film-page .brand {
  color: #061826;
  text-shadow: none;
}

.film-page .nav-menu a {
  color: #102033;
}

.film-page .nav-menu a:hover,
.film-page .nav-menu a:focus-visible,
.film-page .nav-menu a[aria-current="page"] {
  color: #087f95;
  text-shadow: none;
}

.film-page-main {
  position: relative;
  z-index: 1;
  min-height: 100vh;
  padding: 0;
}

.film-page-main::before {
  display: none;
  content: "";
}

.density-section {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  padding: clamp(118px, 12vh, 144px) clamp(22px, 5vw, 72px) clamp(70px, 7vw, 96px);
  background:
    radial-gradient(ellipse at 50% 36%, rgba(255, 255, 255, 0.12) 0%, transparent 62%),
    linear-gradient(180deg, rgba(245, 247, 250, 0.34) 0%, rgba(238, 242, 246, 0.1) 44%, rgba(232, 237, 242, 0.22) 100%),
    linear-gradient(90deg, rgba(245, 247, 250, 0.32), transparent 48%, rgba(245, 247, 250, 0.26)),
    url("농도별 뒷배경사진.png") center top / cover no-repeat;
}

.density-section::before,
.density-section::after {
  position: absolute;
  inset: 0;
  z-index: 0;
  content: "";
  pointer-events: none;
}

.density-section::before {
  background:
    linear-gradient(105deg, transparent 0 12%, rgba(255, 255, 255, 0.38) 12.4%, rgba(211, 222, 232, 0.08) 18%, transparent 26% 74%, rgba(255, 255, 255, 0.28) 78%, transparent 88%),
    repeating-linear-gradient(90deg, transparent 0 148px, rgba(167, 184, 200, 0.14) 149px, transparent 151px),
    repeating-linear-gradient(180deg, transparent 0 118px, rgba(255, 255, 255, 0.34) 119px, transparent 121px),
    linear-gradient(180deg, rgba(255, 255, 255, 0.5), rgba(232, 237, 242, 0.16));
  -webkit-mask-image: radial-gradient(ellipse at 50% 44%, #000000 0 46%, transparent 74%);
  mask-image: radial-gradient(ellipse at 50% 44%, #000000 0 46%, transparent 74%);
  opacity: 0.1;
  transform: translate3d(0, var(--film-bg-glass-shift), 0);
  will-change: transform;
}

.density-section::after {
  background:
    linear-gradient(108deg, transparent 0 8%, rgba(255, 255, 255, 0.62) 11%, rgba(211, 222, 232, 0.13) 18%, transparent 30%),
    linear-gradient(252deg, transparent 0 10%, rgba(255, 255, 255, 0.54) 14%, rgba(167, 184, 200, 0.12) 22%, transparent 34%),
    radial-gradient(circle at 18% 24%, rgba(6, 24, 38, 0.055) 0 0.6px, transparent 0.9px),
    radial-gradient(circle at 72% 68%, rgba(255, 255, 255, 0.7) 0 0.6px, transparent 1px);
  background-size: auto, auto, 5px 5px, 7px 7px;
  opacity: 0.09;
  transform: translate3d(0, var(--film-bg-reflection-shift), 0);
  will-change: transform;
}

.density-section > * {
  position: relative;
  z-index: 1;
}

.thermal-band {
  position: relative;
  z-index: 1;
  padding: clamp(72px, 8vw, 112px) clamp(22px, 5vw, 72px) clamp(70px, 7vw, 96px);
  border-top: 1px solid rgba(16, 32, 51, 0.08);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.96), rgba(238, 246, 249, 0.94)),
    linear-gradient(90deg, rgba(15, 143, 168, 0.08), transparent 36%, rgba(217, 181, 111, 0.08)),
    #f5f8fb;
  box-shadow: inset 0 28px 48px rgba(6, 24, 38, 0.08);
}

.thermal-band::before {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(16, 32, 51, 0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(16, 32, 51, 0.045) 1px, transparent 1px);
  background-size: 56px 56px;
  content: "";
  mask-image: linear-gradient(180deg, transparent 0%, #000000 14%, #000000 82%, transparent 100%);
  opacity: 0.42;
  pointer-events: none;
}

.film-hero,
.density-gallery {
  position: relative;
  z-index: 1;
  width: min(1360px, 100%);
  margin: 0 auto;
}

.film-hero {
  padding-bottom: clamp(30px, 4vw, 52px);
  text-align: center;
}

.film-hero-copy {
  width: min(860px, 100%);
  margin: 0 auto;
}

.film-hero h1 {
  position: relative;
  margin: 0 auto;
  color: #061826;
  font-size: clamp(42px, 5vw, 72px);
  font-weight: 900;
  line-height: 1.12;
  letter-spacing: 0;
  word-break: keep-all;
  text-shadow: none;
}

.film-hero h1::after {
  display: block;
  width: 52px;
  height: 2px;
  margin: 24px auto 0;
  border-radius: 999px;
  background: linear-gradient(90deg, #77d7e8, #d9b56f);
  content: "";
  box-shadow: 0 0 26px rgba(217, 181, 111, 0.24);
}

.density-gallery {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: clamp(10px, 1.35vw, 18px);
}

.density-gallery::before {
  position: absolute;
  inset: -84px -5vw -68px;
  z-index: -1;
  background:
    radial-gradient(ellipse at 50% 42%, rgba(167, 184, 200, 0.26) 0%, rgba(211, 222, 232, 0.17) 30%, transparent 72%),
    radial-gradient(ellipse at 50% 78%, rgba(255, 255, 255, 0.74) 0%, transparent 58%);
  content: "";
  opacity: 0.68;
  pointer-events: none;
}

.density-card {
  position: relative;
  isolation: isolate;
  display: flex;
  align-items: flex-end;
  min-height: clamp(390px, 32vw, 500px);
  overflow: hidden;
  border: 0;
  border-radius: 8px;
  background: #0b1218;
  box-shadow: 0 12px 36px rgba(0, 0, 0, 0.2);
  
  /* Initial elegant hidden state for premium slide-up */
  opacity: 0;
  transform: translateY(50px) scale(0.975);
  will-change: transform, opacity;
  transition:
    opacity 1000ms cubic-bezier(0.16, 1, 0.3, 1),
    transform 1000ms cubic-bezier(0.16, 1, 0.3, 1),
    box-shadow 400ms cubic-bezier(0.16, 1, 0.3, 1);
  transition-delay: var(--card-delay, 0ms);
}

.density-card::before {
  position: absolute;
  inset: 0;
  z-index: 1;
  background:
    linear-gradient(180deg, rgba(5, 9, 13, 0.02) 0%, rgba(5, 9, 13, 0.34) 48%, rgba(5, 9, 13, 0.94) 100%),
    linear-gradient(90deg, rgba(5, 9, 13, 0.3), transparent 42%);
  content: "";
  pointer-events: none;
}

.density-card::after {
  position: absolute;
  inset: 0;
  z-index: 3;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: inherit;
  content: "";
  pointer-events: none;
  transition: border-color 400ms cubic-bezier(0.16, 1, 0.3, 1);
}

.density-card:nth-child(1) {
  --card-delay: 0ms;
  --density-tint: rgba(0, 0, 0, 0.64);
}

.density-card:nth-child(2) {
  --card-delay: 90ms;
  --density-tint: rgba(5, 12, 18, 0.45);
}

.density-card:nth-child(3) {
  --card-delay: 180ms;
  --density-tint: rgba(12, 26, 36, 0.58);
}

.density-card:nth-child(4) {
  --card-delay: 270ms;
  --density-tint: rgba(25, 46, 58, 0.42);
}

.density-card:nth-child(5) {
  --card-delay: 360ms;
  --density-tint: rgba(57, 82, 96, 0.08);
}

.density-card:nth-child(6) {
  --card-delay: 450ms;
  --density-tint: rgba(94, 122, 138, 0.04);
  border-color: transparent;
}

.density-card:nth-child(6)::after {
  border-color: transparent;
  box-shadow: none;
}

.density-card:nth-child(6) .density-card-media::before {
  content: none;
}

.density-card.is-visible {
  opacity: 1;
  transform: translateY(0) scale(1);
  box-shadow: 0 22px 58px rgba(0, 0, 0, 0.32);
}

.density-card.is-visible:hover {
  box-shadow: 
    0 30px 78px rgba(0, 0, 0, 0.46),
    0 0 24px rgba(217, 181, 111, 0.12);
  transform: translateY(-8px) scale(1.02);
  transition:
    border-color 320ms cubic-bezier(0.16, 1, 0.3, 1),
    box-shadow 320ms cubic-bezier(0.16, 1, 0.3, 1),
    transform 320ms cubic-bezier(0.16, 1, 0.3, 1);
  transition-delay: 0ms;
}

.density-card.is-visible:hover::after {
  border-color: rgba(217, 181, 111, 0.48);
  transition-duration: 320ms;
}

.density-card:nth-child(6).is-visible:hover::after {
  border-color: transparent;
}

.density-card-media {
  position: absolute;
  inset: 0;
  overflow: hidden;
  border-radius: inherit;
  background: #101b24;
}

.density-card-media::after {
  position: absolute;
  inset: 0;
  z-index: 1;
  background: var(--density-tint);
  content: "";
  pointer-events: none;
}

.density-card img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 54% center;
  filter: saturate(0.9) contrast(1.02);
  backface-visibility: hidden;
  transform-origin: center;
  
  /* Initial zoomed state for parallax entrance */
  transform: scale(1.18);
  opacity: 0.3;
  transition: 
    transform 1200ms cubic-bezier(0.16, 1, 0.3, 1),
    opacity 1200ms cubic-bezier(0.16, 1, 0.3, 1);
  transition-delay: var(--card-delay, 0ms);
}

.density-card.is-visible img {
  transform: scale(1.04);
  opacity: 1;
}

.density-card.is-visible:hover img {
  transform: scale(1.12);
  transition: transform 600ms cubic-bezier(0.16, 1, 0.3, 1);
  transition-delay: 0ms;
}

.density-card-copy {
  position: relative;
  z-index: 2;
  display: grid;
  gap: 8px;
  width: 100%;
  min-height: 140px;
  padding: 0 clamp(14px, 1.35vw, 22px) clamp(24px, 2.4vw, 34px);
  text-align: center;
  
  /* Initial state for staggered inner entrance */
  opacity: 0;
  transform: translateY(24px);
  transition:
    opacity 1000ms cubic-bezier(0.16, 1, 0.3, 1),
    transform 1000ms cubic-bezier(0.16, 1, 0.3, 1);
  transition-delay: calc(var(--card-delay, 0ms) + 160ms);
}

.density-card.is-visible .density-card-copy {
  opacity: 1;
  transform: translateY(0);
}

/* Eliminate all transition delays immediately during active user interaction */
.density-gallery:hover .density-card,
.density-gallery:hover .density-card-copy,
.density-gallery:hover .density-card img {
  transition-delay: 0ms !important;
}

.density-value {
  color: #ffffff;
  font-size: clamp(38px, 4vw, 58px);
  font-weight: 860;
  line-height: 0.92;
  text-shadow: 0 6px 24px rgba(0, 0, 0, 0.48);
}

.density-value small {
  margin-left: 2px;
  font-size: 0.52em;
  font-weight: 720;
}

.density-card-copy strong {
  color: rgba(255, 255, 255, 0.9);
  font-size: 15px;
  font-weight: 780;
  line-height: 1.28;
  word-break: keep-all;
}

.thermal-section {
  position: relative;
  z-index: 1;
  width: min(1180px, 100%);
  margin: 0 auto;
  padding: 0;
}

.thermal-heading {
  padding: 0 8px clamp(16px, 2.2vw, 24px);
  text-align: center;
}

.thermal-heading h2 {
  margin: 0;
  color: #061826;
  font-size: clamp(32px, 4.1vw, 54px);
  font-weight: 920;
  line-height: 1.08;
  letter-spacing: 0;
  word-break: keep-all;
}

.thermal-heading h2 span {
  color: inherit;
}

.thermal-heading p {
  margin: 10px 0 0;
  color: #526173;
  font-size: clamp(15px, 1.45vw, 18px);
  font-weight: 760;
  line-height: 1.5;
  word-break: keep-all;
}

.thermal-visual {
  margin: 0;
  overflow: hidden;
  border-radius: 7px;
  background: #07101a;
  box-shadow:
    0 12px 34px rgba(7, 16, 26, 0.22),
    inset 0 0 0 1px rgba(255, 255, 255, 0.12);
}

.thermal-visual img {
  display: block;
  width: 100%;
  height: auto;
}

.thermal-stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: clamp(10px, 1.5vw, 18px);
  margin-top: clamp(14px, 2vw, 22px);
}

.thermal-stat {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: clamp(12px, 1.4vw, 18px);
  min-height: 104px;
  padding: 18px clamp(16px, 2vw, 24px);
  overflow: hidden;
  border: 1px solid rgba(16, 32, 51, 0.12);
  border-radius: 8px;
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.92), rgba(244, 249, 252, 0.78)),
    rgba(255, 255, 255, 0.84);
  box-shadow:
    0 14px 34px rgba(6, 24, 38, 0.12),
    inset 0 1px 0 rgba(255, 255, 255, 0.82);
  font-family: "Pretendard Variable", Pretendard, "Malgun Gothic", "Apple SD Gothic Neo", system-ui, sans-serif;
  text-align: center;
  backdrop-filter: blur(12px) saturate(1.12);
}

.thermal-stat::before {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, currentColor, transparent 48%),
    radial-gradient(circle at 18% 12%, currentColor, transparent 34%);
  content: "";
  opacity: 0.08;
  pointer-events: none;
}

.thermal-stat::after {
  position: absolute;
  top: 0;
  right: 0;
  left: 0;
  height: 3px;
  background: linear-gradient(90deg, transparent, currentColor, transparent);
  content: "";
  opacity: 0.72;
  pointer-events: none;
}

.thermal-stat-icon,
.thermal-result-icon {
  position: relative;
  display: grid;
  place-items: center;
  flex: 0 0 auto;
  z-index: 1;
  width: 54px;
  height: 54px;
  border: 1px solid rgba(16, 32, 51, 0.12);
  border-radius: 50%;
  background:
    radial-gradient(circle at 34% 26%, rgba(255, 255, 255, 0.92) 0 5px, transparent 6px),
    linear-gradient(145deg, rgba(255, 255, 255, 0.94), rgba(232, 240, 247, 0.78));
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.86),
    0 10px 20px rgba(16, 32, 51, 0.15);
}

.thermal-stat-icon svg,
.thermal-result-icon svg {
  width: 27px;
  height: 27px;
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 1.9;
}

.thermal-stat div {
  display: grid;
  gap: 4px;
  min-width: 0;
  position: relative;
  z-index: 1;
}

.thermal-stat strong {
  color: #102033;
  font-size: clamp(13px, 1.25vw, 16px);
  font-weight: 750;
  line-height: 1.25;
  word-break: keep-all;
}

.thermal-stat div span {
  color: #637287;
  font-size: 13px;
  font-weight: 750;
  line-height: 1.2;
}

.thermal-stat b {
  font-size: clamp(24px, 2.45vw, 34px);
  font-weight: 900;
  line-height: 1.05;
}

.thermal-stat-warm {
  color: #d51f1f;
  border-color: rgba(213, 31, 31, 0.18);
}

.thermal-stat-warm b {
  color: #d51f1f;
}

.thermal-stat-cool {
  color: #0068be;
  border-color: rgba(0, 104, 190, 0.2);
}

.thermal-stat-cool b,
.thermal-stat-result b {
  color: #005aaa;
}

.thermal-stat-result {
  color: #0f8fa8;
  border-color: rgba(15, 143, 168, 0.24);
  background:
    linear-gradient(135deg, rgba(240, 251, 253, 0.96), rgba(255, 250, 238, 0.78)),
    rgba(255, 255, 255, 0.86);
}

.thermal-stat-result b {
  font-size: clamp(22px, 2vw, 30px);
  word-break: keep-all;
}

.thermal-note {
  margin: 12px 0 0;
  color: rgba(16, 32, 51, 0.68);
  font-size: 12px;
  font-weight: 680;
  line-height: 1.45;
  text-align: center;
  word-break: keep-all;
}

.company-visual {
  position: relative;
  z-index: 1;
  min-height: 370px;
}

.company-visual::before,
.company-visual::after {
  position: absolute;
  content: "";
  pointer-events: none;
}

.company-visual::before {
  inset: 12% 4% 8% 10%;
  border-radius: 28px;
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.7), rgba(255, 255, 255, 0.24)),
    linear-gradient(45deg, rgba(15, 143, 168, 0.2), rgba(198, 228, 237, 0.18));
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.74),
    0 28px 70px rgba(15, 42, 64, 0.16);
  backdrop-filter: blur(18px);
}

.company-visual::after {
  top: 20%;
  right: 2%;
  width: 72%;
  height: 64px;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.74), transparent);
  opacity: 0.82;
  transform: rotate(-17deg);
}

.window-frame {
  position: absolute;
  inset: 18% 10% 14% 4%;
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  grid-template-rows: 1fr 1fr;
  gap: 12px;
  padding: 14px;
  border: 1px solid rgba(255, 255, 255, 0.78);
  border-radius: 22px;
  background: rgba(255, 255, 255, 0.34);
  box-shadow: 0 22px 54px rgba(15, 42, 64, 0.14);
}

.window-frame span {
  min-height: 0;
  border: 1px solid rgba(15, 143, 168, 0.18);
  border-radius: 14px;
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.74), rgba(255, 255, 255, 0.18)),
    linear-gradient(120deg, rgba(74, 146, 173, 0.16), rgba(255, 255, 255, 0.18));
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.62);
}

.window-frame span:nth-child(2) {
  transform: translateY(18px);
}

.window-frame span:nth-child(3) {
  transform: translateY(-10px);
}

.company-detail-section {
  padding: clamp(68px, 8vw, 108px) clamp(24px, 8vw, 112px);
  color: var(--ink);
  background: #ffffff;
}

.company-detail-heading {
  max-width: 820px;
}

.company-detail-heading h2 {
  margin: 18px 0 0;
  max-width: 13em;
  font-size: clamp(30px, 4vw, 48px);
  font-weight: 860;
  line-height: 1.16;
  letter-spacing: 0;
  word-break: keep-all;
}

.company-detail-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  margin-top: 38px;
}

.company-detail-grid article {
  min-height: 210px;
  padding: 26px 24px;
  border: 1px solid rgba(16, 32, 51, 0.1);
  border-radius: 8px;
  background:
    linear-gradient(135deg, rgba(15, 143, 168, 0.08), transparent 46%),
    #f9fbfd;
  box-shadow: 0 14px 34px rgba(15, 42, 64, 0.07);
}

.company-detail-grid h3 {
  margin: 0;
  color: #102033;
  font-size: 21px;
  font-weight: 850;
  line-height: 1.3;
}

.company-detail-grid p {
  margin: 16px 0 0;
  color: #56677a;
  font-size: 15px;
  font-weight: 620;
  line-height: 1.72;
  word-break: keep-all;
}

.feature-section {
  position: relative;
  isolation: isolate;
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(280px, 0.7fr);
  align-items: center;
  gap: clamp(32px, 6vw, 96px);
  scroll-margin-top: 96px;
  padding: clamp(62px, 8vw, 112px) clamp(24px, 8vw, 112px);
  overflow: hidden;
  color: var(--white);
  background-position: center;
  background-size: cover;
  --feature-accent: #76d8ec;
  --feature-overlay:
    linear-gradient(90deg, rgba(11, 20, 30, 0.78), rgba(11, 20, 30, 0.22) 55%),
    linear-gradient(180deg, rgba(11, 20, 30, 0.08), rgba(11, 20, 30, 0.28));
}

.feature-section::before {
  position: absolute;
  inset: 0;
  content: "";
  background: var(--feature-overlay);
}

.feature-section + .feature-section {
  border-top: 1px solid rgba(255, 255, 255, 0.18);
}

.feature-copy {
  position: relative;
  z-index: 1;
  width: min(760px, 100%);
}

.feature-section h2 {
  position: relative;
  margin: 0;
  max-width: 11em;
  padding-left: 24px;
  font-size: clamp(34px, 4.4vw, 54px);
  font-weight: 850;
  line-height: 1.14;
  letter-spacing: 0;
  word-break: keep-all;
}

.feature-section h2::before {
  position: absolute;
  top: 0.09em;
  bottom: 0.09em;
  left: 0;
  width: 5px;
  border-radius: 999px;
  background: linear-gradient(180deg, #ffffff, var(--feature-accent) 58%, #3b8fa5);
  box-shadow: 0 0 20px rgba(127, 216, 238, 0.32);
  content: "";
  transform-origin: top;
  animation: titleBarDrop 780ms ease-out 180ms both;
}

@keyframes titleBarDrop {
  0% {
    opacity: 0;
    transform: scaleY(0);
  }

  100% {
    opacity: 1;
    transform: scaleY(1);
  }
}

.feature-desc {
  margin: 16px 0 0;
  max-width: 56em;
  font-family: "Pretendard Variable", Pretendard, "Malgun Gothic", "Apple SD Gothic Neo", system-ui, sans-serif;
  font-size: clamp(15px, 1.5vw, 18px);
  font-weight: 700;
  line-height: 1.65;
  color: rgba(255, 255, 255, 0.9);
  word-break: keep-all;
  white-space: normal;
}

.feature-tags {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  max-width: 560px;
  padding: 0;
  margin: 26px 0 0;
  list-style: none;
}

.feature-tags li {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  max-width: 100%;
  min-height: 42px;
  padding: 10px 14px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 999px;
  color: rgba(255, 255, 255, 0.95);
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(8px);
  font-family: "Pretendard Variable", Pretendard, "Malgun Gothic", "Apple SD Gothic Neo", system-ui, sans-serif;
  font-size: clamp(17px, 1.45vw, 20px);
  font-weight: 800;
  line-height: 1.45;
  text-align: center;
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.1),
    0 8px 22px rgba(0, 0, 0, 0.08);
  text-shadow: 0 2px 14px rgba(0, 0, 0, 0.32);
}

.feature-visual {
  position: relative;
  z-index: 1;
  width: min(430px, 35vw);
  height: 310px;
  margin-left: auto;
}

.visual-card {
  position: absolute;
  display: grid;
  gap: 4px;
  align-items: center;
  justify-items: center;
  min-width: 176px;
  padding: 15px 16px;
  border: 1px solid rgba(255, 255, 255, 0.28);
  border-radius: 8px;
  color: #ffffff;
  background: rgba(255, 255, 255, 0.18);
  box-shadow: 0 18px 46px rgba(3, 13, 23, 0.2);
  font-family: "Pretendard Variable", Pretendard, "Malgun Gothic", "Apple SD Gothic Neo", system-ui, sans-serif;
  text-align: center;
  backdrop-filter: blur(18px) saturate(1.18);
}

.visual-card strong {
  font-size: 17px;
  font-weight: 900;
  line-height: 1.2;
}

.visual-card small {
  margin-top: 4px;
  color: rgba(255, 255, 255, 0.74);
  font-size: 12px;
  font-weight: 750;
  line-height: 1.25;
}

.visual-card.card-a {
  top: 18px;
  right: 24px;
}

.visual-card.card-b {
  top: 116px;
  left: 0;
}

.visual-card.card-c {
  right: 0;
  bottom: 18px;
}

.feature-heat {
  min-height: clamp(540px, 58vh, 680px);
  background-image: url("assets/section-heat-insulation.png");
  background-position: center;
  --feature-accent: #ffd080;
  --feature-overlay:
    linear-gradient(90deg, rgba(6, 16, 25, 0.86), rgba(6, 16, 25, 0.48) 52%, rgba(6, 16, 25, 0.16)),
    linear-gradient(180deg, rgba(6, 16, 25, 0.04), rgba(6, 16, 25, 0.34));
}

.feature-heat .feature-copy {
  align-self: end;
  padding-bottom: clamp(4px, 3.5vw, 34px);
}

.feature-heat h2 {
  max-width: 12em;
}

.feature-heat .visual-card.card-a {
  top: 0;
  right: 16px;
}

.feature-heat .visual-card.card-b {
  top: 132px;
  left: 8px;
}

.feature-heat .visual-card.card-c {
  right: 48px;
  bottom: 0;
}

.feature-insect {
  grid-template-columns: minmax(280px, 0.7fr) minmax(0, 0.95fr);
  min-height: clamp(440px, 47vh, 560px);
  background-image: url("assets/section-insect-film.png");
  background-position: center;
  --feature-accent: #8ee3a4;
  --feature-overlay:
    linear-gradient(270deg, rgba(7, 21, 18, 0.86), rgba(7, 21, 18, 0.5) 54%, rgba(7, 21, 18, 0.16)),
    linear-gradient(180deg, rgba(7, 21, 18, 0.04), rgba(7, 21, 18, 0.3));
}

.feature-insect .feature-copy {
  grid-column: 2;
  justify-self: end;
  text-align: right;
}

.feature-insect h2 {
  max-width: 9.5em;
  padding-right: 24px;
  padding-left: 0;
  margin-left: auto;
}

.feature-insect h2::before {
  right: 0;
  left: auto;
}

.feature-insect .feature-desc {
  margin-left: auto;
}

.feature-insect .feature-tags {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  max-width: 540px;
  margin-left: auto;
}

.feature-insect .feature-tags li {
  width: auto;
}

.feature-insect .feature-visual {
  grid-column: 1;
  grid-row: 1;
  width: min(390px, 32vw);
  height: 300px;
  margin-right: auto;
  margin-left: 0;
}

.feature-insect .visual-card {
  min-width: 162px;
}

.feature-insect .visual-card.card-a {
  top: 12px;
  left: 22px;
}

.feature-insect .visual-card.card-b {
  top: 112px;
  right: 12px;
  left: auto;
}

.feature-insect .visual-card.card-c {
  right: auto;
  bottom: 12px;
  left: 0;
}

.feature-privacy {
  grid-template-columns: 1fr;
  min-height: clamp(570px, 64vh, 730px);
  text-align: center;
  background-image: url("assets/section-privacy-film.png");
  background-position: center 45%;
  --feature-accent: #c9d4ff;
  --feature-overlay:
    linear-gradient(180deg, rgba(10, 16, 28, 0.48), rgba(10, 16, 28, 0.78)),
    linear-gradient(90deg, rgba(10, 16, 28, 0.26), rgba(10, 16, 28, 0.08), rgba(10, 16, 28, 0.3));
}

.feature-privacy .feature-copy {
  justify-self: center;
  width: min(900px, 100%);
  padding-bottom: 118px;
}

.feature-privacy h2 {
  max-width: 12em;
  padding-left: 0;
  margin: 0 auto;
}

.feature-privacy h2::before {
  top: auto;
  bottom: -18px;
  left: 50%;
  width: min(112px, 34vw);
  height: 4px;
  transform: translateX(-50%);
  transform-origin: center;
  animation: none;
}

.feature-privacy .feature-desc {
  max-width: 46em;
  margin: 36px auto 0;
}

.feature-privacy .feature-tags {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  max-width: 800px;
  margin-right: auto;
  margin-left: auto;
}

.feature-privacy .feature-tags li {
  width: auto;
}

.feature-privacy .feature-visual {
  position: absolute;
  right: clamp(24px, 8vw, 112px);
  bottom: clamp(28px, 5vw, 56px);
  left: clamp(24px, 8vw, 112px);
  display: flex;
  gap: 12px;
  justify-content: center;
  width: auto;
  height: auto;
  margin: 0;
  pointer-events: none;
}

.feature-privacy .visual-card {
  position: static;
  min-width: 154px;
  max-width: 188px;
  padding: 13px 14px;
}

.feature-safety {
  align-items: start;
  min-height: clamp(500px, 56vh, 660px);
  background-image: url("assets/section-safety-film.png");
  background-position: center;
  --feature-accent: #ffbd8f;
  --feature-overlay:
    linear-gradient(90deg, rgba(9, 13, 20, 0.9), rgba(30, 36, 46, 0.58) 55%, rgba(30, 36, 46, 0.22)),
    linear-gradient(135deg, rgba(214, 88, 53, 0.24), transparent 46%);
}

.feature-safety .feature-copy {
  align-self: start;
  padding-top: clamp(12px, 4vw, 48px);
}

.feature-safety h2 {
  max-width: 12em;
}

.feature-safety .feature-tags {
  grid-template-columns: 1fr;
  max-width: 430px;
}

.feature-safety .feature-tags li {
  border-radius: 8px;
}

.feature-safety .feature-visual {
  align-self: end;
  height: 380px;
}

.feature-safety .visual-card {
  justify-items: start;
  border-left: 3px solid var(--feature-accent);
  text-align: left;
  background: rgba(8, 12, 18, 0.42);
}

.feature-safety .visual-card.card-a {
  top: 22px;
  right: 34px;
}

.feature-safety .visual-card.card-b {
  top: 144px;
  left: 18px;
}

.feature-safety .visual-card.card-c {
  right: 0;
  bottom: 26px;
}

.feature-uv {
  grid-template-columns: minmax(250px, 0.62fr) minmax(0, 1fr);
  min-height: clamp(470px, 52vh, 610px);
  background-image: url("assets/section-uv-heat-film.png");
  background-position: center bottom;
  --feature-accent: #fff08a;
  --feature-overlay:
    linear-gradient(270deg, rgba(8, 21, 31, 0.86), rgba(8, 21, 31, 0.46) 56%, rgba(8, 21, 31, 0.12)),
    linear-gradient(180deg, rgba(255, 201, 70, 0.1), rgba(8, 21, 31, 0.28));
}

.feature-uv .feature-copy {
  grid-column: 2;
  justify-self: end;
}

.feature-uv .feature-visual {
  grid-column: 1;
  grid-row: 1;
  display: grid;
  gap: 12px;
  align-self: center;
  width: min(280px, 26vw);
  height: auto;
  margin: 0;
}

.feature-uv .visual-card {
  position: static;
  justify-items: start;
  min-width: 0;
  padding: 15px 16px;
  text-align: left;
}

.feature-uv .visual-card:nth-child(2) {
  transform: translateX(28px);
}

.feature-uv .visual-card:nth-child(3) {
  transform: translateX(56px);
}

main > .feature-section {
  --title-bar-color: linear-gradient(180deg, #edf6ff 0%, #5fa8e8 46%, #1f4f8f 100%);
  --title-bar-shadow: rgba(95, 168, 232, 0.34);
  grid-template-columns: minmax(0, 0.95fr) minmax(280px, 0.7fr);
  align-content: center;
  align-items: center;
  min-height: 100vh;
  min-height: 100svh;
  scroll-snap-align: start;
  scroll-snap-stop: always;
  text-align: left;
}

main > .hero {
  scroll-snap-align: start;
  scroll-snap-stop: always;
}

main > .feature-section .feature-copy {
  grid-column: 1;
  align-self: center;
  justify-self: start;
  width: min(760px, 100%);
  padding: 0;
  text-align: left;
}

main > .feature-section h2 {
  max-width: 12em;
  padding-right: 0;
  padding-left: 24px;
  margin: 0;
  font-size: clamp(34px, 4.4vw, 54px);
}

main > .feature-section h2::before {
  top: 0.09em;
  right: auto;
  bottom: 0.09em;
  left: 0;
  width: 5px;
  height: auto;
  background: var(--title-bar-color);
  box-shadow: 0 0 22px var(--title-bar-shadow);
  opacity: 0;
  transform: scaleY(0);
  transform-origin: top;
  animation: none;
}

main > .feature-section.is-titlebar-visible h2::before {
  animation: titleBarDrop 1.25s cubic-bezier(0.22, 1, 0.36, 1) 180ms both;
}

main > .feature-section .feature-desc {
  max-width: 56em;
  margin: 16px 0 0;
  font-size: clamp(15px, 1.5vw, 18px);
}

main > .feature-section .feature-tags {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  justify-content: stretch;
  gap: 10px;
  max-width: 560px;
  margin: 26px auto 0 0;
}

main > .feature-section .feature-tags li {
  width: 100%;
  min-height: 42px;
  border-radius: 999px;
  font-size: clamp(17px, 1.45vw, 20px);
}

main > .feature-section .feature-visual {
  position: relative;
  top: auto;
  right: auto;
  bottom: auto;
  left: auto;
  grid-column: 2;
  grid-row: 1;
  display: block;
  align-self: center;
  width: min(430px, 35vw);
  height: 310px;
  margin-right: 0;
  margin-left: auto;
  pointer-events: auto;
}

main > .feature-section .visual-card {
  position: absolute;
  justify-items: center;
  min-width: 176px;
  max-width: none;
  padding: 15px 16px;
  border-left: 1px solid rgba(255, 255, 255, 0.28);
  text-align: center;
  background: rgba(255, 255, 255, 0.18);
  transform: none;
}

main > .feature-section .visual-card strong {
  font-size: 17px;
}

main > .feature-section .visual-card small {
  font-size: 12px;
}

main > .feature-section .visual-card.card-a {
  top: 18px;
  right: 24px;
  bottom: auto;
  left: auto;
}

main > .feature-section .visual-card.card-b {
  top: 116px;
  right: auto;
  bottom: auto;
  left: 0;
}

main > .feature-section .visual-card.card-c {
  top: auto;
  right: 0;
  bottom: 18px;
  left: auto;
}

main > .feature-section:nth-of-type(odd) {
  --title-bar-color: linear-gradient(180deg, #fff4ee 0%, #d9967d 45%, #8f4f45 100%);
  --title-bar-shadow: rgba(217, 150, 125, 0.34);
  grid-template-columns: minmax(280px, 0.7fr) minmax(0, 0.95fr);
  text-align: right;
}

main > .feature-section:nth-of-type(odd) .feature-copy {
  grid-column: 2;
  justify-self: end;
  text-align: right;
}

main > .feature-section:nth-of-type(odd) h2 {
  padding-right: 24px;
  padding-left: 0;
  margin-right: 0;
  margin-left: auto;
}

main > .feature-section:nth-of-type(odd) h2::before {
  right: 0;
  left: auto;
}

main > .feature-section:nth-of-type(odd) .feature-desc {
  margin-right: 0;
  margin-left: auto;
}

main > .feature-section:nth-of-type(odd) .feature-tags {
  margin-right: 0;
  margin-left: auto;
}

main > .feature-section:nth-of-type(odd) .feature-visual {
  grid-column: 1;
  margin-right: auto;
  margin-left: 0;
}

.feature-privacy {
  --feature-overlay:
    linear-gradient(90deg, rgba(10, 16, 28, 0.86), rgba(10, 16, 28, 0.48) 54%, rgba(10, 16, 28, 0.16)),
    linear-gradient(180deg, rgba(10, 16, 28, 0.04), rgba(10, 16, 28, 0.3));
}

.feature-safety {
  --feature-overlay:
    linear-gradient(270deg, rgba(9, 13, 20, 0.88), rgba(30, 36, 46, 0.56) 55%, rgba(30, 36, 46, 0.18)),
    linear-gradient(135deg, rgba(214, 88, 53, 0.18), transparent 48%);
}

.feature-uv {
  --feature-overlay:
    linear-gradient(90deg, rgba(8, 21, 31, 0.86), rgba(8, 21, 31, 0.46) 56%, rgba(8, 21, 31, 0.12)),
    linear-gradient(180deg, rgba(255, 201, 70, 0.1), rgba(8, 21, 31, 0.28));
}

.site-footer {
  position: relative;
  z-index: 1;
  padding: 42px clamp(24px, 8vw, 112px) 36px;
  color: rgba(255, 255, 255, 0.9);
  border-top: 1px solid rgba(14, 172, 192, 0.28);
  background:
    linear-gradient(90deg, rgba(14, 172, 192, 0.16), transparent 38%),
    #071826;
}

.home-page .site-footer {
  min-height: 240px;
  scroll-snap-align: start;
  scroll-snap-stop: always;
}

.site-footer-inner {
  display: grid;
  grid-template-columns: minmax(220px, 0.72fr) minmax(0, 1fr);
  gap: clamp(28px, 5vw, 76px);
  align-items: start;
  width: min(1280px, 100%);
  margin: 0 auto;
}

.footer-brand strong {
  display: block;
  color: #ffffff;
  font-size: clamp(20px, 2.2vw, 28px);
  font-weight: 900;
  line-height: 1.18;
  letter-spacing: 0;
}

.footer-brand span {
  display: block;
  margin-top: 10px;
  color: rgba(226, 238, 246, 0.76);
  font-size: 14px;
  font-weight: 720;
  line-height: 1.5;
  word-break: keep-all;
}

.footer-business-info {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
  padding: 0;
  margin: 0;
}

.footer-business-info div {
  display: grid;
  grid-template-columns: 118px minmax(0, 1fr);
  gap: 14px;
  align-items: baseline;
  min-width: 0;
}

.footer-business-info dt {
  color: rgba(226, 238, 246, 0.62);
  font-size: 12px;
  font-weight: 850;
  line-height: 1.2;
}

.footer-business-info dd {
  margin: 0;
  color: #ffffff;
  font-size: 14px;
  font-weight: 760;
  line-height: 1.45;
  letter-spacing: 0;
  word-break: keep-all;
}

.footer-business-info a:hover,
.footer-business-info a:focus-visible {
  color: #8fe6f3;
  outline: none;
}

.footer-copy {
  width: min(1280px, 100%);
  padding-top: 20px;
  margin: 30px auto 0;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  color: rgba(226, 238, 246, 0.58);
  font-size: 12px;
  font-weight: 680;
  line-height: 1.4;
}

.bottom-action-bar {
  position: fixed;
  top: 50%;
  right: clamp(10px, 1.4vw, 22px);
  z-index: 30;
  display: grid;
  grid-template-columns: 1fr;
  width: 74px;
  overflow: visible;
  border: 1px solid rgba(255, 255, 255, 0.24);
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.38);
  box-shadow: 0 14px 34px rgba(15, 23, 42, 0.22);
  backdrop-filter: blur(20px) saturate(1.25);
  transform: translateY(-50%);
}

.action-item {
  position: relative;
  display: grid;
  place-items: center;
  align-content: center;
  gap: 5px;
  min-width: 0;
  min-height: 66px;
  padding: 9px 6px;
  color: #171f2a;
  font-size: 11px;
  font-weight: 850;
  line-height: 1.2;
  text-align: center;
  word-break: keep-all;
}

.action-item + .action-item::before {
  position: absolute;
  top: 0;
  right: 12px;
  left: 12px;
  height: 1px;
  background: rgba(15, 23, 42, 0.16);
  content: "";
}

.action-icon {
  display: grid;
  width: 34px;
  height: 34px;
  place-items: center;
  border: 1px solid transparent;
  border-radius: 50%;
  background: var(--action-bg);
  color: var(--action-color);
  transition:
    transform 180ms ease,
    box-shadow 180ms ease;
}

.action-icon svg {
  width: 18px;
  height: 18px;
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 2;
}

.action-phone {
  --action-bg: #cf6d2f;
  --action-color: #ffffff;
}

.phone-popover {
  display: none;
}

@media (min-width: 821px) and (hover: hover) and (pointer: fine) {
  .phone-popover {
    position: absolute;
    right: 0;
    bottom: calc(100% + 10px);
    display: block;
    width: max-content;
    min-width: 138px;
    padding: 9px 12px;
    border: 1px solid rgba(15, 23, 42, 0.12);
    border-radius: 8px;
    color: #061826;
    background: rgba(255, 255, 255, 0.94);
    box-shadow: 0 14px 34px rgba(15, 23, 42, 0.2);
    font-size: 13px;
    font-weight: 900;
    letter-spacing: 0;
    line-height: 1;
    opacity: 0;
    pointer-events: none;
    transform: translateY(6px);
    transition:
      opacity 160ms ease,
      transform 160ms ease;
    white-space: nowrap;
  }

  .phone-popover::after {
    position: absolute;
    right: 26px;
    bottom: -6px;
    width: 10px;
    height: 10px;
    border-right: 1px solid rgba(15, 23, 42, 0.12);
    border-bottom: 1px solid rgba(15, 23, 42, 0.12);
    background: rgba(255, 255, 255, 0.94);
    content: "";
    transform: rotate(45deg);
  }

  .action-phone.is-phone-open .phone-popover {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (max-width: 1180px) and (min-width: 821px) {
  .company-info {
    grid-template-columns: 1fr;
    width: min(620px, 100%);
  }

  .company-stats {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 10px;
    justify-self: stretch;
  }

  .company-stat {
    min-height: 84px;
    padding: 14px 12px;
    border-top: 2px solid rgba(14, 172, 192, 0.34);
    border-left: 0;
  }

  .company-stat strong {
    font-size: clamp(25px, 2.7vw, 34px);
  }

  .density-gallery {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .density-card {
    min-height: 420px;
  }
}

.action-kakao {
  --action-bg: transparent;
  --action-color: #3a2b0c;
}

.action-kakao .action-icon {
  border-color: #e0b900;
}

.action-blog {
  --action-bg: #eaf8ef;
  --action-color: #1b7d42;
}

.action-item:hover .action-icon,
.action-item:focus-visible .action-icon {
  transform: translateX(-2px);
  box-shadow: 0 10px 22px rgba(15, 23, 42, 0.16);
}

.action-item:focus-visible {
  outline: 2px solid rgba(15, 143, 168, 0.5);
  outline-offset: -4px;
}

@media (max-width: 820px) {
  .site-header {
    align-items: flex-start;
    gap: 14px;
    min-height: 116px;
    padding: 18px 18px 0;
    flex-direction: column;
  }

  .nav-menu {
    width: auto;
    justify-content: flex-start;
    gap: 34px;
    margin-right: 0;
  }

  .nav-menu a {
    flex: 0 0 auto;
    min-width: 0;
  }

  .hero {
    align-items: flex-end;
    min-height: 100vh;
    min-height: 100svh;
    padding: 162px 20px 136px;
    background-position: 57% center;
  }

  .hero h1 {
    max-width: 8.6em;
    font-size: clamp(38px, 12vw, 54px);
  }

  .hero-subtitle {
    font-size: 18px;
  }

  .company-section {
    grid-template-columns: 1fr;
    gap: 36px;
    scroll-margin-top: 136px;
    min-height: auto;
    padding: 72px 22px 82px;
  }

  .company-section::before {
    width: 100%;
    background: linear-gradient(180deg, transparent, rgba(14, 172, 192, 0.1));
  }

  .company-info {
    grid-template-columns: 1fr;
    width: 100%;
  }

  .company-copy h1,
  .company-copy h2 {
    max-width: 10em;
  }

  .company-stats {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 10px;
    justify-self: stretch;
  }

  .company-stat {
    min-height: 82px;
    padding: 13px 12px;
    border-top: 2px solid rgba(14, 172, 192, 0.34);
    border-left: 0;
  }

  .company-stat strong {
    font-size: clamp(24px, 7vw, 32px);
  }

  .company-footer {
    position: relative;
    right: auto;
    bottom: auto;
    left: auto;
    margin-top: 32px;
  }

  .film-page-main {
    padding: 0;
  }

  .density-section {
    padding: 136px 22px 68px;
  }

  .thermal-band {
    padding: 58px 22px 68px;
  }

  .film-hero {
    min-height: 0;
    padding-bottom: 28px;
  }

  .film-hero h1 {
    font-size: clamp(38px, 8vw, 54px);
  }

  .film-hero-copy {
    max-width: 720px;
  }

  .density-gallery {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 12px;
  }

  .density-card {
    min-height: 390px;
  }

  .density-card-copy {
    min-height: 128px;
  }

  .thermal-section {
    margin-top: 0;
    padding: 0;
  }

  .thermal-stats {
    gap: 10px;
  }

  .thermal-stat {
    gap: 10px;
    min-height: 86px;
    padding: 14px 12px;
  }

  .thermal-stat-icon {
    width: 38px;
    height: 54px;
  }

  .thermal-result-icon {
    width: 52px;
    height: 52px;
  }

  .company-visual {
    min-height: 300px;
  }

  .window-frame {
    inset: 12% 2% 10%;
  }

  .company-detail-section {
    padding: 62px 22px 88px;
  }

  .company-detail-grid {
    grid-template-columns: 1fr;
  }

  .feature-section {
    grid-template-columns: 1fr;
    gap: 0;
    scroll-margin-top: 136px;
    padding: 64px 22px;
  }

  main > .feature-section,
  main > .feature-section:nth-of-type(odd) {
    grid-template-columns: 1fr;
    text-align: left;
  }

  main > .feature-section .feature-copy,
  main > .feature-section:nth-of-type(odd) .feature-copy {
    grid-column: auto;
    justify-self: auto;
    width: min(620px, 100%);
    text-align: left;
  }

  main > .feature-section .feature-visual {
    display: none;
  }

  .feature-copy {
    width: min(620px, 100%);
  }

  .feature-heat,
  .feature-insect,
  .feature-privacy,
  .feature-safety,
  .feature-uv {
    min-height: auto;
  }

  .feature-heat {
    min-height: 560px;
  }

  .feature-insect {
    min-height: 490px;
    background-position: 44% center;
  }

  .feature-privacy {
    min-height: 560px;
  }

  .feature-safety {
    min-height: 500px;
    align-items: center;
  }

  .feature-uv {
    min-height: 500px;
    background-position: 44% bottom;
  }

  .feature-section::before {
    background: var(--feature-overlay);
  }

  .feature-heat .feature-copy,
  .feature-safety .feature-copy,
  .feature-privacy .feature-copy {
    padding-top: 0;
    padding-bottom: 0;
  }

  .feature-insect .feature-copy,
  .feature-uv .feature-copy {
    grid-column: auto;
    justify-self: auto;
  }

  main > .feature-section h2,
  main > .feature-section:nth-of-type(odd) h2,
  .feature-section h2 {
    max-width: 10.5em;
    padding-right: 0;
    padding-left: 24px;
    margin-right: 0;
    margin-left: 0;
  }

  main > .feature-section h2::before,
  main > .feature-section:nth-of-type(odd) h2::before {
    right: auto;
    left: 0;
  }

  main > .feature-section .feature-desc,
  main > .feature-section:nth-of-type(odd) .feature-desc {
    margin-right: 0;
    margin-left: 0;
  }

  main > .feature-section .feature-tags,
  main > .feature-section:nth-of-type(odd) .feature-tags {
    margin-right: 0;
    margin-left: 0;
  }

  .feature-desc {
    white-space: normal;
  }

  .feature-tags {
    max-width: 560px;
  }

  .site-footer {
    padding: 36px 22px 32px;
  }

  .home-page .site-footer {
    padding-right: 108px;
  }

  .site-footer-inner {
    grid-template-columns: 1fr;
    gap: 28px;
  }

  .footer-business-info {
    gap: 12px;
  }
}

@media (max-width: 520px) {
  .brand {
    font-size: 20px;
  }

  .nav-menu a {
    min-height: 38px;
    padding: 8px clamp(2px, 1.2vw, 6px);
    font-size: clamp(15px, 4.2vw, 17px);
  }

  .nav-menu {
    width: 100%;
    max-width: 360px;
    gap: clamp(10px, 4vw, 22px);
  }

  .hero h1 {
    font-size: 38px;
  }

  .company-section {
    padding: 62px 18px 74px;
  }

  .company-copy h1,
  .company-copy h2 {
    font-size: 32px;
  }

  .company-copy p {
    font-size: 15px;
  }

  .company-stats {
    gap: 8px;
  }

  .company-stat {
    min-height: 76px;
    padding: 12px 8px;
  }

  .company-stat strong {
    font-size: clamp(22px, 6.8vw, 28px);
  }

  .company-stat span {
    font-size: 12px;
  }

  .film-page-main {
    padding: 0;
  }

  .density-section {
    padding: 124px 16px 54px;
  }

  .thermal-band {
    padding: 44px 16px 54px;
  }

  .film-hero h1 {
    font-size: 34px;
    max-width: 8.6em;
  }

  .density-gallery {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .density-card {
    min-height: 430px;
  }

  .density-card-copy {
    min-height: 132px;
    padding: 0 22px 28px;
  }

  .density-value {
    font-size: 46px;
  }

  .thermal-section {
    margin-top: 0;
    padding: 0;
  }

  .thermal-heading {
    padding-right: 2px;
    padding-left: 2px;
  }

  .thermal-heading h2 {
    max-width: 10.4em;
    margin-right: auto;
    margin-left: auto;
    font-size: 28px;
    line-height: 1.16;
  }

  .thermal-heading p {
    font-size: 14px;
  }

  .thermal-stats {
    grid-template-columns: 1fr;
  }

  .thermal-stat {
    justify-content: flex-start;
    text-align: left;
  }

  .thermal-stat-result {
    justify-content: center;
    text-align: center;
  }

  .company-points {
    gap: 8px;
  }

  .company-points span {
    min-height: 38px;
    padding: 8px 12px;
    font-size: 14px;
  }

  .company-visual {
    min-height: 250px;
  }

  .company-detail-heading h2 {
    font-size: 30px;
  }

  .company-detail-grid article {
    min-height: 0;
    padding: 22px 18px;
  }

  .feature-section {
    padding: 58px 88px 58px 18px;
  }

  main > .feature-section h2,
  .feature-section h2 {
    font-size: 30px;
  }

  main > .feature-section .feature-desc,
  .feature-desc {
    font-size: 15px;
  }

  main > .feature-section .feature-tags,
  .feature-tags {
    grid-template-columns: 1fr;
    gap: 10px;
  }

  .feature-insect .feature-tags,
  .feature-privacy .feature-tags {
    gap: 8px;
  }

  main > .feature-section .feature-tags li,
  .feature-tags li {
    min-height: 40px;
    padding: 9px 12px;
    font-size: 15px;
  }

  .site-footer {
    padding: 32px 18px 30px;
  }

  .home-page .site-footer {
    padding-right: 92px;
  }

  .footer-business-info div {
    grid-template-columns: 1fr;
    gap: 5px;
  }

  .bottom-action-bar {
    right: 8px;
    width: 66px;
    border-radius: 14px;
  }

  .action-icon {
    width: 31px;
    height: 31px;
  }

  .action-item {
    min-height: 60px;
    gap: 4px;
    padding: 8px 5px;
    font-size: 10px;
  }
}