:root {
  color-scheme: dark;
  --bg: #050505;
  --panel: #101010;
  --line: rgba(255, 255, 255, 0.16);
  --text: #ffffff;
  --muted: #ffffff;
  --accent: #e13d2f;
  --cool: #9ed8ff;
}

@font-face {
  font-family: "Pretendard ExtraBold";
  src: url("assets/Pretendard-ExtraBold.otf") format("opentype");
  font-weight: 800;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: "Paperlogy";
  src: url("assets/Paperlogy-Regular.ttf") format("truetype");
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: "Paperlogy";
  src: url("assets/Paperlogy-1Thin.ttf") format("truetype");
  font-weight: 100;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: "Paperlogy";
  src: url("assets/Paperlogy-2ExtraLight.ttf") format("truetype");
  font-weight: 200;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: "Paperlogy";
  src: url("assets/Paperlogy-5Medium.ttf") format("truetype");
  font-weight: 500;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: "Paperlogy";
  src: url("assets/Paperlogy-ExtraBold.ttf") format("truetype");
  font-weight: 800;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: "Montserrat";
  src: url("assets/Montserrat-Light.ttf") format("truetype");
  font-weight: 300;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: "Montserrat";
  src: url("assets/Montserrat-Medium.ttf") format("truetype");
  font-weight: 500;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: "SUIT";
  src: url("assets/SUIT-Regular.otf") format("opentype");
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: "SUIT";
  src: url("assets/SUIT-ExtraLight.otf") format("opentype");
  font-weight: 200;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: "SUIT";
  src: url("assets/SUIT-Light.otf") format("opentype");
  font-weight: 300;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: "SUIT";
  src: url("assets/SUIT-SemiBold.otf") format("opentype");
  font-weight: 600;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: "SUIT";
  src: url("assets/SUIT-Bold.otf") format("opentype");
  font-weight: 700;
  font-style: normal;
  font-display: swap;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: auto;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: Arial, Helvetica, sans-serif;
  letter-spacing: 0;
}

body.is-intro-running {
  overflow: hidden;
}

body:not(.is-hero-visible) .hero h1 {
  opacity: 0;
}

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

.intro-loader {
  position: fixed;
  z-index: 999;
  inset: 0;
  display: grid;
  place-items: center;
  background: #050505;
  pointer-events: none;
  overflow: hidden;
  animation: introFadeOut 820ms ease-out 1000ms forwards;
}

.intro-ci {
  position: relative;
  width: min(570px, 78vw);
  aspect-ratio: 7 / 1;
  display: grid;
  place-items: center;
  animation: introCiExit 820ms ease-out 1000ms forwards;
  overflow: hidden;
}

.intro-ci::after {
  content: none;
}

.intro-ci img {
  width: 100%;
  height: auto;
  opacity: 1;
  filter: none;
  clip-path: none;
  transform: none;
  animation: none;
}

.intro-loader.is-hidden {
  display: none;
}

.site-header {
  position: fixed;
  z-index: 20;
  top: 0;
  left: 0;
  right: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 28px clamp(68px, 4.7vw, 96px);
  background: linear-gradient(180deg, rgba(0, 0, 0, 0.88), rgba(0, 0, 0, 0.5) 48%, transparent);
  transform: translateY(0);
  transition: transform 280ms ease;
}

.brand {
  display: block;
  width: clamp(157px, 16.8vw, 249px);
  line-height: 0;
}

.brand img {
  display: block;
  width: 100%;
  height: auto;
}

.nav-links {
  display: flex;
  gap: clamp(14px, 3vw, 34px);
  font-family: "Montserrat", Arial, Helvetica, sans-serif;
  font-size: 0.78rem;
  font-weight: 500;
  text-transform: uppercase;
}

.hero {
  position: relative;
  min-height: 100svh;
  overflow: hidden;
  display: grid;
  align-items: center;
  justify-items: center;
  padding: 110px clamp(18px, 5vw, 72px) 72px;
}

.hero-video,
.hero-fallback,
.hero-shade {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.hero-video {
  object-fit: cover;
  z-index: 0;
}

body.is-intro-running .hero-video {
  transform: none;
}

.hero-video {
  transition: transform 1800ms cubic-bezier(0.22, 1, 0.36, 1);
}

.hero-fallback {
  z-index: -1;
  background-image: url("assets/hero-poster.jpg");
  background-size: cover;
  background-position: center;
  transform: scale(1.08);
  animation: slowDrift 16s ease-in-out infinite alternate;
}

.hero-shade {
  z-index: 1;
  background:
    linear-gradient(90deg, rgba(0, 0, 0, 0.62), rgba(0, 0, 0, 0.08) 60%, rgba(0, 0, 0, 0.36)),
    linear-gradient(0deg, #050505 0%, rgba(5, 5, 5, 0.94) 7%, rgba(5, 5, 5, 0.62) 24%, transparent 54%);
}

.hero-content {
  position: relative;
  z-index: 2;
  width: min(1180px, 100%);
  text-align: center;
}

.eyebrow,
.section-kicker,
.project-category {
  margin: 0 0 18px;
  color: var(--cool);
  font-size: 0.78rem;
  font-weight: 800;
  text-transform: uppercase;
}

.hero h1,
.intro-grid h2,
.work-heading h2,
.contact-section h2 {
  margin: 0;
  font-weight: 900;
  line-height: 0.93;
  text-transform: uppercase;
}

.hero h1 {
  max-width: none;
  font-family: "Paperlogy", "Pretendard ExtraBold", Arial, Helvetica, sans-serif;
  font-weight: 600;
  font-size: clamp(1rem, 2.4vw, 3.04rem);
  line-height: 1;
  color: #ffffff;
  letter-spacing: 0;
  opacity: 1;
  transition: opacity 460ms ease;
}

.hero-line {
  display: inline-block;
  white-space: nowrap;
  padding: 0.08em 0.18em;
  background: transparent;
  text-shadow:
    0 0 14px rgba(0, 0, 0, 0.9),
    0 0 34px rgba(0, 0, 0, 0.78),
    0 6px 28px rgba(0, 0, 0, 0.72);
}

.hero-comma {
  display: inline-block;
  margin-left: 0.03em;
  font-family: Arial, Helvetica, sans-serif;
  font-size: 0.78em;
  font-weight: 800;
  line-height: 1;
  transform: translateY(-0.02em);
}

.hero-copy {
  width: min(620px, 100%);
  margin: 26px 0 0;
  color: #ffffff;
  font-size: clamp(1rem, 1.5vw, 1.18rem);
  line-height: 1.65;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 34px;
}

.button {
  min-height: 46px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0 20px;
  border: 1px solid var(--line);
  font-size: 0.78rem;
  font-weight: 800;
  text-transform: uppercase;
}

.button.primary {
  background: var(--text);
  color: #0b0b0b;
}

.button.ghost {
  background: rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(10px);
}

.hero-meta {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1px;
  margin-top: 56px;
  border: 1px solid var(--line);
  background: var(--line);
}

.hero-meta span {
  padding: 16px;
  background: rgba(0, 0, 0, 0.44);
  color: #ffffff;
  font-size: 0.76rem;
  font-weight: 800;
  text-transform: uppercase;
}

.intro-section,
.what-section,
.work-section,
.contact-section {
  padding: clamp(70px, 10vw, 140px) clamp(18px, 5vw, 72px);
}

.intro-section {
  min-height: 100svh;
  display: grid;
  align-content: center;
  padding: 0 clamp(68px, 4.7vw, 96px);
  font-family: "Paperlogy", Pretendard, Arial, Helvetica, sans-serif;
}

.intro-grid {
  display: grid;
  grid-template-columns: minmax(520px, clamp(560px, 42vw, 858px)) minmax(460px, clamp(520px, 38vw, 780px));
  gap: clamp(64px, 5.4vw, 110px);
  align-items: center;
}

.intro-grid h2,
.work-heading h2,
.contact-section h2 {
  font-size: clamp(2.4rem, 6vw, 6.2rem);
}

.intro-grid h2 {
  align-self: center;
  margin-top: clamp(70px, 8vh, 120px);
  font-family: "Paperlogy", Pretendard, Arial, Helvetica, sans-serif;
  font-size: clamp(4rem, 5.85vw, 7.5rem);
  font-weight: 200;
  line-height: 1.02;
  letter-spacing: 0;
}

.intro-grid h2 span {
  display: table;
  width: max-content;
  max-width: 100%;
  color: transparent;
  background-image: linear-gradient(180deg, #44c6e9 0%, #5a8ff2 46%, #a45af0 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.intro-grid h2 span:nth-child(1) {
  background-image: linear-gradient(180deg, #66ddff 0%, #73baff 58%, #8d9cff 100%);
}

.intro-grid h2 span:nth-child(2) {
  background-image: linear-gradient(180deg, #68d7ff 0%, #80a7ff 50%, #a184ff 100%);
}

.intro-grid h2 span:nth-child(3) {
  background-image: linear-gradient(180deg, #91a4ff 0%, #aa8cff 56%, #c17dff 100%);
}

.intro-grid h2 span:nth-child(4) {
  background-image: linear-gradient(180deg, #aa8fff 0%, #bb82ff 46%, #cf80ff 100%);
}

.intro-copy {
  align-self: start;
  margin-top: clamp(2px, 0.3vw, 6px);
  transform: translateX(clamp(36px, 4vw, 86px));
  color: var(--muted);
  font-size: clamp(0.9rem, 0.96vw, 1.12rem);
  line-height: 1.48;
  font-family: "SUIT", Arial, Helvetica, sans-serif;
  font-weight: 200;
}

.copy-group {
  display: grid;
  gap: 0;
}

.copy-group + .copy-group {
  margin-top: clamp(20px, 2.8vw, 40px);
}

.copy-group p {
  margin: 0;
}

.philosophy-label {
  display: flex;
  align-items: center;
  gap: 18px;
  margin-bottom: clamp(18px, 2vw, 30px);
  color: rgba(170, 170, 176, 0.72);
  font-family: "Paperlogy", Arial, Helvetica, sans-serif;
  font-size: clamp(0.62rem, 0.72vw, 0.82rem);
  font-weight: 500;
  letter-spacing: 0.42em;
  text-transform: uppercase;
}

.ko-copy .ko-lead {
  display: table;
  width: max-content;
  max-width: 100%;
  margin-bottom: clamp(20px, 2.2vw, 32px);
  color: #ffffff;
  background-image: none;
  -webkit-text-fill-color: #ffffff;
  font-size: clamp(1.36rem, 1.76vw, 2.24rem);
  font-weight: 400;
  line-height: 1.25;
  letter-spacing: -0.02em;
}

.ko-copy .ko-body {
  color: rgba(255, 255, 255, 0.86);
}

.ko-copy .ko-body + .ko-body {
  margin-top: clamp(14px, 1.5vw, 22px);
}

.ko-copy .ko-accent {
  margin-top: clamp(18px, 1.8vw, 28px);
  color: #ffffff;
}

.copy-divider {
  width: min(100%, 680px);
  height: 1px;
  margin: clamp(22px, 2.3vw, 34px) 0 clamp(18px, 2vw, 30px);
  background: linear-gradient(90deg, rgba(102, 221, 255, 0.68) 0%, rgba(128, 167, 255, 0.54) 34%, rgba(193, 125, 255, 0.34) 58%, rgba(5, 5, 5, 0) 100%);
}

.ko-copy {
  font-family: "SUIT", Arial, Helvetica, sans-serif;
  font-weight: 200;
  word-break: keep-all;
}

.en-copy {
  color: rgba(255, 255, 255, 0.82);
  font-family: "Montserrat", "Paperlogy", Arial, Helvetica, sans-serif;
  font-weight: 300;
  line-height: 1.42;
}

.en-copy .en-lead {
  margin-bottom: clamp(14px, 1.3vw, 20px);
  color: #ffffff;
  font-size: clamp(1.1rem, 1.22vw, 1.45rem);
  line-height: 1.25;
}

.about-sequence {
  position: relative;
  background:
    linear-gradient(rgba(0, 0, 0, 0.32), rgba(0, 0, 0, 0.32)),
    url("assets/Background 01.png") center / cover fixed no-repeat,
    #000000;
  color: #ffffff;
  font-family: "Paperlogy", "Montserrat", Arial, Helvetica, sans-serif;
}

.about-panel {
  position: relative;
  z-index: 1;
  height: 100vh;
  display: grid;
  align-items: center;
  justify-items: center;
  padding: clamp(88px, 8vw, 132px) clamp(22px, 6vw, 96px);
  text-align: left;
}

.about-panel--title h2 {
  width: min(100%, 1480px);
  margin: 0;
  transform: translateX(clamp(-180px, -8.5vw, -96px));
  color: #ffffff;
  font-family: "Montserrat", "Paperlogy", Arial, Helvetica, sans-serif;
  font-size: clamp(3rem, 5.2vw, 6.5rem);
  font-weight: 800;
  line-height: 1.08;
  letter-spacing: 0;
  text-transform: uppercase;
}

.about-korean-copy {
  width: min(100%, 1480px);
  transform: translateX(clamp(-180px, -8.5vw, -96px));
  color: rgba(255, 255, 255, 0.82);
  font-family: "SUIT", "Paperlogy", Arial, Helvetica, sans-serif;
  font-size: clamp(1.15rem, 1.52vw, 1.78rem);
  font-weight: 300;
  line-height: 1.55;
  letter-spacing: 0;
  word-break: keep-all;
}

.about-korean-copy p {
  margin: 0;
}

.about-korean-copy p + p {
  margin-top: clamp(27px, 3.2vw, 46px);
}

.about-service-copy {
  width: min(100%, 1480px);
  text-align: left;
  transform: translateX(clamp(-180px, -8.5vw, -96px));
}

.about-service-copy h3 {
  margin: 0 0 clamp(118px, 12vw, 210px);
  color: #ffffff;
  font-family: "Montserrat", "Paperlogy", Arial, Helvetica, sans-serif;
  font-size: clamp(2.3rem, 4vw, 5.2rem);
  font-weight: 800;
  line-height: 1.05;
  letter-spacing: 0;
  text-transform: uppercase;
}

.about-service-copy p {
  margin: 0;
}

.about-service-korean {
  color: rgba(255, 255, 255, 0.82);
  font-family: "SUIT", "Paperlogy", Arial, Helvetica, sans-serif;
  font-size: clamp(1.15rem, 1.42vw, 1.7rem);
  font-weight: 300;
  line-height: 1.55;
  word-break: keep-all;
}

.about-service-korean + .about-service-korean {
  margin-top: clamp(27px, 3.2vw, 46px);
}

.about-service-copy .about-service-english {
  margin-top: clamp(18px, 1.8vw, 34px);
  color: rgba(255, 255, 255, 0.88);
  font-family: "Montserrat", "Paperlogy", Arial, Helvetica, sans-serif;
  font-size: clamp(0.95rem, 1.19vw, 1.65rem);
  font-weight: 300;
  line-height: 1.25;
  letter-spacing: 0;
}

.about-sequence {
  background:
    linear-gradient(rgba(0, 0, 0, 0.32), rgba(0, 0, 0, 0.32)),
    url("assets/Background 01.png") center / cover fixed no-repeat,
    #000000;
}

.about-panel--value {
  justify-items: start;
  padding-left: clamp(72px, 7vw, 140px);
}

.about-panel--see {
  background:
    linear-gradient(rgba(0, 0, 0, 0.34), rgba(0, 0, 0, 0.34)),
    url("assets/Background 02.png") center / cover no-repeat,
    #000000;
}

.about-panel--think {
  background:
    linear-gradient(rgba(0, 0, 0, 0.34), rgba(0, 0, 0, 0.34)),
    url("assets/Background 03.png") center / cover no-repeat,
    #000000;
}

.about-panel--craft {
  background:
    linear-gradient(rgba(0, 0, 0, 0.34), rgba(0, 0, 0, 0.34)),
    url("assets/Background 04.png") center / cover no-repeat,
    #000000;
}

.about-value-copy {
  width: min(100%, 1320px);
  color: #ffffff;
}

.about-tag {
  display: block;
  margin: 0 0 clamp(24px, 2vw, 32px);
  color: #ffffff;
  font-family: "Montserrat", "Paperlogy", Arial, Helvetica, sans-serif;
  font-size: clamp(1.125rem, 1.15vw, 1.375rem);
  font-weight: 300;
  line-height: 1;
  letter-spacing: 0.02em;
}

.about-value-copy h2 {
  margin: 0 0 clamp(12px, 1.2vw, 20px);
  color: #ffffff;
  font-family: "Montserrat", "Paperlogy", Arial, Helvetica, sans-serif;
  font-size: clamp(2.08rem, 3.56vw, 4.32rem);
  font-weight: 800;
  line-height: 1.02;
  letter-spacing: 0;
  text-transform: uppercase;
}

.about-lead,
.about-body {
  margin: 0;
  font-family: "SUIT", "Paperlogy", Arial, Helvetica, sans-serif;
  font-weight: 500;
  line-height: 1.32;
  letter-spacing: 0;
  word-break: keep-all;
}

.about-lead {
  color: #ffffff;
  font-size: clamp(1.2rem, 1.6vw, 1.72rem);
}

.about-body {
  margin-top: max(18px, calc(clamp(38px, 3.2vw, 58px) - 1.32em));
  color: #ffffff;
  font-size: clamp(0.765rem, 0.964vw, 1.056rem);
  font-weight: 200;
}

.what-section {
  min-height: 100svh;
  display: grid;
  align-content: start;
  background: #050505;
  color: var(--text);
  font-family: "Paperlogy", Pretendard, Arial, Helvetica, sans-serif;
  padding-top: clamp(110px, 11vw, 170px);
  overflow: hidden;
}

.what-inner {
  width: 100%;
  margin: 0;
  text-align: center;
}

.what-inner h2 {
  margin: 0;
  font-family: "Montserrat", "Paperlogy", Arial, Helvetica, sans-serif;
  font-size: clamp(1.4rem, 2.6vw, 3.2rem);
  font-weight: 300;
  line-height: 1;
  text-transform: uppercase;
}

.letter-reveal {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.02em;
}

.letter-reveal span {
  display: inline-block;
  opacity: 0;
  transform: translateY(0.7em);
  filter: blur(8px);
}

.letter-reveal.is-visible span {
  animation: letterRise 620ms cubic-bezier(0.2, 0.8, 0.2, 1) forwards;
  animation-delay: calc(var(--index) * 58ms);
}

.what-lead {
  max-width: none;
  margin: clamp(10px, 1vw, 16px) auto clamp(34px, 5vw, 68px);
  color: #ffffff;
  font-family: "Montserrat", "Paperlogy", Arial, Helvetica, sans-serif;
  font-size: clamp(1.05rem, 1.55vw, 1.52rem);
  font-weight: 300;
  line-height: 1.42;
  white-space: nowrap;
}

.what-list {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: clamp(18px, 2vw, 34px);
  border-top: 0;
}

.what-item {
  position: relative;
  min-height: clamp(360px, 35vw, 520px);
  display: grid;
  align-content: stretch;
  grid-template-rows: 1fr auto auto;
  padding: clamp(20px, 2.6vw, 42px) clamp(14px, 2vw, 30px);
  border-bottom: 0;
  overflow: hidden;
  isolation: isolate;
  background: #050505;
}

.what-item::before {
  content: none;
  position: absolute;
  inset: 14% 0 auto;
  height: 1px;
  background: rgba(255, 255, 255, 0.08);
  z-index: -2;
}

.what-item h3 {
  position: relative;
  z-index: -1;
  left: auto;
  bottom: auto;
  align-self: center;
  margin: 0;
  color: #ffffff;
  font-family: "Paperlogy", Arial, Helvetica, sans-serif;
  font-size: clamp(1.95rem, 3.1vw, 4rem);
  font-weight: 800;
  line-height: 0.9;
  letter-spacing: 0;
  text-transform: uppercase;
  white-space: normal;
  overflow-wrap: normal;
  word-break: keep-all;
  opacity: 0.98;
}

.what-item p {
  max-width: 720px;
  margin: clamp(10px, 1.35vw, 20px) 0 0;
  color: rgba(255, 255, 255, 0.72);
  font-family: "SUIT", Pretendard, Arial, Helvetica, sans-serif;
  font-size: clamp(0.78rem, 0.9vw, 0.92rem);
  font-weight: 200;
  line-height: 1.48;
  word-break: keep-all;
}

.what-item ul {
  position: relative;
  z-index: 2;
  display: flex;
  flex-wrap: nowrap;
  align-items: center;
  justify-content: center;
  gap: clamp(8px, 0.85vw, 12px);
  margin: 0;
  padding: 0;
  list-style: none;
  font-size: clamp(1rem, 1.3vw, 1.14rem);
  line-height: 1.5;
  color: #ffffff;
}

.what-item li {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  flex: 0 0 clamp(124px, 8.5vw, 152px);
  min-height: clamp(30px, 2.5vw, 42px);
  padding: 0 clamp(8px, 0.8vw, 14px);
  border: 1px solid transparent;
  border-radius: 999px;
  background:
    linear-gradient(#050505, #050505) padding-box,
    linear-gradient(100deg, #44c6e9 0%, #5a8ff2 46%, #a45af0 100%) border-box;
  color: #ffffff;
  font-family: "Montserrat", "Paperlogy", Arial, Helvetica, sans-serif;
  font-size: clamp(0.74rem, 0.95vw, 0.98rem);
  font-weight: 300;
  white-space: nowrap;
  box-shadow: none;
  backdrop-filter: none;
}

.what-item li span {
  display: block;
  width: 100%;
  text-align: center;
}

.what-item:nth-child(1) p {
  transform: translateY(clamp(-20px, -1.5vw, -10px));
  text-align: center;
}

.what-item:nth-child(1) {
  justify-items: center;
}

.what-item:nth-child(2) {
  justify-items: center;
}

.what-item:nth-child(2) p {
  text-align: center;
  transform: translateY(clamp(-18px, -1.2vw, -8px));
}

.what-item:nth-child(3) p {
  transform: translateY(clamp(-18px, -1.2vw, -8px));
}

.service-list {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  margin-top: clamp(38px, 7vw, 92px);
  background: var(--line);
  border: 1px solid var(--line);
}

.service-list article {
  min-height: 290px;
  padding: clamp(22px, 3vw, 36px);
  background: var(--panel);
}

.service-list span {
  color: var(--accent);
  font-weight: 900;
}

.service-list h3 {
  margin: 56px 0 20px;
  font-size: clamp(2rem, 4vw, 4rem);
  text-transform: uppercase;
}

.service-list p,
.work-heading p {
  color: var(--muted);
  line-height: 1.7;
}

.work-heading {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(280px, 450px);
  align-items: end;
  gap: 30px;
  margin-bottom: 28px;
}

.work-section {
  background: #050505;
  padding-block: clamp(60px, 8vw, 120px) clamp(88px, 12.5vw, 176px);
  padding-inline: clamp(12px, 1.8vw, 36px);
}

.work-title {
  margin: 0 0 clamp(5px, 0.55vw, 9px);
  color: #ffffff;
  font-family: "Montserrat", "Paperlogy", Arial, Helvetica, sans-serif;
  font-size: clamp(1.05rem, 1.95vw, 2.4rem);
  font-weight: 300;
  line-height: 1;
  letter-spacing: 0;
}

.work-subtitle {
  margin: 0 0 clamp(18px, 2vw, 32px);
  color: rgba(255, 255, 255, 0.62);
  font-family: "Montserrat", "Paperlogy", Arial, Helvetica, sans-serif;
  font-size: clamp(0.78rem, 0.94vw, 1.02rem);
  font-weight: 300;
  line-height: 1.35;
  letter-spacing: 0;
}

.filter-bar {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding-bottom: 20px;
}

.filter-button {
  min-height: 38px;
  padding: 0 15px;
  border: 1px solid var(--line);
  background: transparent;
  color: var(--muted);
  font: inherit;
  font-size: 0.76rem;
  font-weight: 800;
  text-transform: uppercase;
  cursor: pointer;
}

.filter-button.active,
.filter-button:hover {
  background: var(--text);
  color: #080808;
}

.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  grid-auto-rows: var(--portfolio-row-height, 260px);
  grid-auto-flow: dense;
  gap: clamp(14px, 1.6vw, 28px);
}

.project-card {
  position: relative;
  height: 100%;
  min-height: 0;
  border: 0;
  padding: 0;
  background: #111111;
  color: var(--text);
  overflow: hidden;
  cursor: pointer;
  text-align: left;
}

.project-card--featured {
  grid-column: span 2;
  grid-row: span 2;
}

.project-card--left {
  grid-column: 1 / span 2;
}

.project-card--right {
  grid-column: 2 / span 2;
}

.project-card::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  background: transparent;
  pointer-events: none;
  transition: background 260ms ease;
}

.project-card:hover::after {
  background: rgba(0, 0, 0, 0.64);
}

.project-card img {
  width: 100%;
  height: 100%;
  min-height: 0;
  object-fit: cover;
  object-position: var(--thumb-position, center center);
  filter: none;
  transition: transform 700ms ease;
}

.project-card:hover img {
  transform: scale(1.04);
  opacity: 1;
}

.card-overlay {
  position: absolute;
  inset: 0;
  z-index: 2;
  display: grid;
  place-content: center;
  gap: clamp(7px, 0.7vw, 12px);
  padding: 20px;
  opacity: 0;
  text-align: center;
  transition: opacity 260ms ease;
}

.project-card:hover .card-overlay {
  opacity: 1;
}

body.is-project-transitioning .project-card {
  pointer-events: none;
}

.portfolio-freeze-layer {
  position: fixed;
  inset: 0;
  z-index: 90;
  overflow: hidden;
  background: #050505;
  pointer-events: none;
  opacity: 1;
  transition: opacity 220ms ease;
  contain: layout paint style;
}

.portfolio-freeze-layer.is-leaving {
  opacity: 0;
}

.portfolio-freeze-layer .work-section--freeze {
  min-height: 0;
  pointer-events: none;
}

.portfolio-freeze-layer .project-card,
.portfolio-freeze-layer .project-card img,
.portfolio-freeze-layer .project-card::after,
.portfolio-freeze-layer .card-overlay {
  transition: none;
}

.card-project-title,
.card-overlay strong {
  display: block;
  color: #ffffff;
  font-family: "Paperlogy", Pretendard, Arial, Helvetica, sans-serif;
  line-height: 1;
  text-transform: uppercase;
}

.card-project-title {
  font-size: clamp(0.72rem, 0.78vw, 0.98rem);
  font-weight: 500;
  letter-spacing: 0.04em;
  opacity: 0.92;
}

.card-overlay strong {
  font-size: clamp(1.25rem, 2.4vw, 2.9rem);
  font-weight: 800;
}

.contact-section {
  min-height: 100svh;
  display: grid;
  grid-template-rows: 1fr auto auto 1fr auto;
  align-items: center;
  justify-items: center;
  gap: clamp(30px, 5.7vw, 84px);
  padding: clamp(72px, 7vw, 116px) clamp(20px, 5vw, 80px) clamp(32px, 3.8vw, 54px);
  border-top: 0;
  background: #000000;
  text-align: center;
  scroll-margin-top: 0;
}

.contact-heading {
  grid-row: 2;
  display: grid;
  gap: clamp(4px, 0.7vw, 10px);
}

.contact-heading h2 {
  font-family: "Montserrat", "Paperlogy", Arial, Helvetica, sans-serif;
  font-size: clamp(3.6rem, 4.68vw, 5.58rem);
  font-weight: 300;
  line-height: 0.9;
  letter-spacing: 0;
  color: #ffffff;
}

.contact-heading p {
  margin: 0;
  color: #ffffff;
  font-family: "Montserrat", "Paperlogy", Arial, Helvetica, sans-serif;
  font-size: clamp(1.15rem, 1.58vw, 1.8rem);
  font-weight: 300;
  line-height: 1.2;
}

address,
.contact-info {
  grid-row: 3;
  display: grid;
  justify-items: center;
  gap: clamp(5px, 0.62vw, 8px);
  color: #ffffff;
  font-style: normal;
  font-family: "Montserrat", "Paperlogy", Arial, Helvetica, sans-serif;
  font-size: clamp(0.94rem, 1.13vw, 1.22rem);
  font-weight: 300;
  line-height: 1.18;
}

.contact-logo {
  display: block;
  width: clamp(216px, 22.5vw, 423px);
  height: auto;
  margin-bottom: clamp(18px, 2vw, 32px);
}

.contact-info a {
  color: #ffffff;
  text-decoration: none;
}

.contact-info a[href^="mailto:"] {
  font-size: 1.08em;
}

.contact-info span {
  margin-top: clamp(18px, 1.85vw, 30px);
  color: rgba(255, 255, 255, 0.56);
}

.contact-copyright {
  grid-row: 5;
  margin: 0;
  color: #ffffff;
  font-family: "Montserrat", "Paperlogy", Arial, Helvetica, sans-serif;
  font-size: clamp(0.74rem, 0.81vw, 0.9rem);
  font-weight: 300;
  line-height: 1;
}

.project-detail {
  position: fixed;
  inset: 0;
  z-index: 120;
  width: 100%;
  height: 100dvh;
  min-height: 100dvh;
  overflow-y: auto;
  overscroll-behavior: contain;
  background: #050505;
  color: var(--text);
}

.project-detail[hidden] {
  display: none;
}

body.is-project-open {
  overflow: hidden;
}

.dialog-close {
  position: fixed;
  z-index: 4;
  top: 22px;
  right: 22px;
  width: 52px;
  height: 52px;
  border: 1px solid rgba(255, 255, 255, 0.25);
  border-radius: 50%;
  background: rgba(0, 0, 0, 0.42);
  color: #ffffff;
  font-size: 1.6rem;
  cursor: pointer;
  backdrop-filter: blur(10px);
}

.project-layout {
  display: block;
  min-height: 100svh;
}

.project-info {
  min-height: 72svh;
  display: grid;
  align-content: end;
  padding: clamp(92px, 13vw, 180px) clamp(22px, 6vw, 92px) clamp(48px, 7vw, 96px);
  background:
    linear-gradient(180deg, rgba(5, 5, 5, 0.7), #050505 82%),
    url("assets/ADEX 2023_대한항공 01.jpg") center / cover;
}

.project-info h2 {
  max-width: 100%;
  overflow: visible;
  margin: 0 0 clamp(26px, 4vw, 50px);
  color: #ffffff;
  font-family: "Paperlogy", Pretendard, Arial, Helvetica, sans-serif;
  font-size: clamp(2.45rem, 5.85vw, 6.63rem);
  font-weight: 800;
  line-height: 0.92;
  text-transform: uppercase;
}

.project-info h2 span {
  display: block;
  color: #ffffff;
  transform-origin: left center;
  white-space: nowrap;
}

.project-detail--compact-title .project-info h2 {
  width: 100%;
  max-width: calc(100vw - clamp(22px, 6vw, 92px) * 2);
  font-size: clamp(1.8rem, 4vw, 4.8rem);
  line-height: 0.96;
}

.project-info .project-meta {
  display: flex;
  flex-wrap: wrap;
  column-gap: clamp(72px, 12vw, 180px);
  row-gap: 18px;
  margin: 0 0 28px;
}

.project-info dt {
  margin-bottom: 3px;
  color: var(--muted);
  font-family: "Paperlogy", Pretendard, Arial, Helvetica, sans-serif;
  font-size: 0.78rem;
  font-weight: 300;
  text-transform: uppercase;
}

.project-info dd {
  margin: 0;
  font-family: "Paperlogy", Pretendard, Arial, Helvetica, sans-serif;
  font-size: 1.08rem;
  font-weight: 300;
  white-space: nowrap;
}

.project-info p {
  max-width: min(100%, 1600px);
  color: var(--muted);
  font-family: "Paperlogy", Pretendard, Arial, Helvetica, sans-serif;
  font-size: clamp(1rem, 1.5vw, 1.3rem);
  line-height: 1.7;
  white-space: normal;
  overflow-wrap: break-word;
  text-wrap: pretty;
}

.optional-note {
  padding-top: 22px;
  border-top: 1px solid var(--line);
}

.project-gallery {
  display: grid;
  gap: clamp(16px, 2vw, 30px);
  padding: clamp(20px, 3.2vw, 48px);
  background: #050505;
}

.project-gallery figure {
  margin: 0;
  background: #050505;
  overflow: hidden;
}

.project-gallery img {
  display: block;
  width: auto;
  max-width: min(100%, 1600px);
  height: auto;
  margin-inline: auto;
  max-height: calc(100svh - clamp(40px, 6.4vw, 96px));
}

.project-video-frame video {
  display: block;
  width: auto;
  max-width: min(100%, 1600px);
  height: auto;
  margin-inline: auto;
  max-height: calc(100svh - clamp(40px, 6.4vw, 96px));
  background: #000000;
}

@keyframes slowDrift {
  from {
    transform: scale(1.08) translate3d(-1%, 0, 0);
  }
  to {
    transform: scale(1.15) translate3d(2%, -1%, 0);
  }
}

@keyframes introLogoLock {
  0% {
    opacity: 0;
    filter: blur(8px);
    clip-path: inset(0 100% 0 0);
    transform: translateY(10px) scale(0.985);
  }
  45% {
    opacity: 1;
    filter: blur(0);
    clip-path: inset(0 0 0 0);
    transform: translateY(0) scale(1);
  }
  100% {
    opacity: 1;
    filter: blur(0);
    clip-path: inset(0 0 0 0);
    transform: scale(1);
  }
}

@keyframes introCiExit {
  0% {
    opacity: 1;
  }
  100% {
    opacity: 0;
  }
}

@keyframes introFadeOut {
  0% {
    opacity: 1;
  }

  100% {
    opacity: 0;
  }
}
@keyframes letterRise {
  to {
    opacity: 1;
    transform: translateY(0);
    filter: blur(0);
  }
}

@media (max-width: 900px) {
  html,
  body {
    max-width: 100%;
    overflow-x: clip;
  }

  .site-header {
    padding-inline: clamp(18px, 5vw, 72px);
  }

  .brand {
    width: clamp(122px, 34vw, 157px);
  }

  .nav-links {
    display: flex;
    gap: clamp(8px, 2.4vw, 14px);
    font-size: clamp(0.6rem, 2.4vw, 0.72rem);
  }

  .hero-meta,
  .intro-grid,
  .what-item,
  .service-list,
  .work-heading,
  .contact-section,
  .project-layout {
    grid-template-columns: 1fr;
  }

  .project-card img {
    min-height: 0;
  }

  .portfolio-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    grid-auto-rows: auto;
  }

  .project-card {
    aspect-ratio: 16 / 10;
    height: auto;
  }

  .project-card--featured {
    grid-column: span 2;
    grid-row: auto;
  }

  .project-card--left,
  .project-card--right {
    grid-column: span 2;
  }

  .what-list {
    grid-template-columns: 1fr;
  }

  .about-panel {
    padding-inline: clamp(20px, 6vw, 42px);
  }

  .about-panel--value {
    padding-left: clamp(36px, 8vw, 72px);
  }

  .about-value-copy h2 {
    font-size: clamp(2.35rem, 8vw, 4.25rem);
  }

  .about-lead {
    font-size: clamp(1.18rem, 3.6vw, 1.65rem);
  }

  .about-body {
    font-size: clamp(0.78rem, 2.295vw, 1.033rem);
  }

  .about-panel--title h2 {
    font-size: clamp(2.9rem, 10vw, 5rem);
  }

  .about-korean-copy {
    font-size: clamp(1.05rem, 3.5vw, 1.45rem);
  }

  .about-service-copy h3 {
    margin-bottom: clamp(86px, 18vw, 140px);
    font-size: clamp(2.2rem, 8.5vw, 4.8rem);
  }

  .about-service-korean {
    font-size: clamp(1.05rem, 3.5vw, 1.45rem);
  }

  .about-service-copy .about-service-english {
    margin-top: clamp(28px, 8vw, 52px);
    font-size: clamp(0.9rem, 2.95vw, 1.35rem);
  }

  .intro-section {
    min-height: auto;
    padding: clamp(88px, 18vw, 130px) clamp(20px, 6vw, 36px);
  }

  .intro-grid {
    width: 100%;
    min-width: 0;
    gap: clamp(34px, 8vw, 56px);
  }

  .intro-grid h2,
  .intro-copy,
  .copy-group,
  .copy-divider {
    width: 100%;
    min-width: 0;
    max-width: 100%;
  }

  .intro-grid h2 {
    margin-top: 0;
  }

  .intro-grid h2 span {
    display: block;
    width: 100%;
    max-width: 100%;
    overflow-wrap: anywhere;
  }

  .what-lead {
    white-space: normal;
  }

  .intro-copy {
    transform: none;
  }

  .project-info {
    position: static;
    min-height: auto;
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .what-item ul {
    grid-column: auto;
    justify-content: center;
    flex-wrap: wrap;
    padding: 0;
    width: 100%;
    max-width: 100%;
  }

  .what-item {
    min-height: 300px;
    padding-inline: clamp(20px, 6vw, 32px);
    overflow: hidden;
  }

  .what-item h3 {
    position: relative;
    bottom: auto;
    left: auto;
    width: 100%;
    max-width: 100%;
    font-size: clamp(2.45rem, 10.6vw, 4.8rem);
    white-space: normal;
    overflow-wrap: anywhere;
    word-break: normal;
    margin-bottom: 24px;
  }

  .what-item li,
  .what-item:nth-child(n) li:nth-child(n) {
    flex: 1 1 min(100%, 124px);
    max-width: 100%;
    transform: none;
  }
}

@media (max-width: 560px) {
  .hero {
    min-height: 92svh;
  }

  .hero-actions {
    display: grid;
  }

  .service-list article {
    min-height: 240px;
  }

  .portfolio-grid {
    grid-template-columns: 1fr;
    grid-auto-rows: auto;
  }

  .project-card {
    aspect-ratio: 16 / 10;
    height: auto;
  }

  .project-card--featured {
    grid-column: auto;
    grid-row: auto;
  }

  .project-card--left,
  .project-card--right {
    grid-column: auto;
  }

  .about-panel--title h2 {
    font-size: clamp(2.65rem, 11vw, 4.1rem);
    transform: none;
  }

  .about-sequence {
    background:
      linear-gradient(rgba(0, 0, 0, 0.36), rgba(0, 0, 0, 0.36)),
      url("assets/Background 01.png") center / cover no-repeat,
      #000000;
  }

  .about-panel--value {
    padding: clamp(92px, 18vw, 132px) clamp(22px, 7vw, 36px);
  }

  .about-panel--see {
    background:
      linear-gradient(rgba(0, 0, 0, 0.38), rgba(0, 0, 0, 0.38)),
      url("assets/Background 02.png") center / cover no-repeat,
      #000000;
  }

  .about-panel--think {
    background:
      linear-gradient(rgba(0, 0, 0, 0.38), rgba(0, 0, 0, 0.38)),
      url("assets/Background 03.png") center / cover no-repeat,
      #000000;
  }

  .about-panel--craft {
    background:
      linear-gradient(rgba(0, 0, 0, 0.38), rgba(0, 0, 0, 0.38)),
      url("assets/Background 04.png") center / cover no-repeat,
      #000000;
  }

  .about-tag {
    margin: 0 0 24px;
    font-size: 1.125rem;
    font-weight: 300;
    letter-spacing: 0.02em;
  }

  .about-value-copy h2 {
    font-size: clamp(2.15rem, 10vw, 3.3rem);
  }

  .about-body br {
    display: none;
  }

  .about-korean-copy br,
  .about-service-korean br {
    display: none;
  }

  .about-korean-copy p + p {
    margin-top: clamp(22px, 6.4vw, 34px);
  }

  .about-service-copy h3 {
    font-size: clamp(2rem, 10vw, 3.3rem);
  }

  .about-service-copy {
    transform: none;
  }

  .about-korean-copy {
    transform: none;
  }

  .intro-grid h2 {
    font-size: clamp(3.15rem, 16vw, 5.05rem);
  }

  .what-item h3 {
    font-size: clamp(2.15rem, 10.2vw, 3.6rem);
  }

  .what-item li,
  .what-item:nth-child(n) li:nth-child(n) {
    flex-basis: min(100%, 150px);
  }
}