/* MSTECH: 색상·레이아웃·폰트·반응형·모션 */
/* Pretendard(한글)는 assets/fonts/pretendard/pretendard-dynamic-subset.css 에서 unicode-range로 분할 로드 */

@font-face {
  font-family:Geist;
  font-weight:100 900;
  font-style:normal;
  font-display:swap;
  src:url("../fonts/geist-variable-latin.woff2") format('woff2');
  unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD
}
@font-face {
  font-family:Archivo;
  font-weight:800;
  font-style:italic;
  font-display:swap;
  src:url("../fonts/archivo-italic-800-latin.woff2") format('woff2')
}
:root {
  --navy:#050d24;
  --navy2:#0d2657;
  --blue-deep:#163b7d;
  --blue:#4d8dff;
  --sky:#8fbcff;
  --pale:#eef4ff;
  --ink:#0b1220;
  --text-muted:#5d6a7e;     /* 흰 배경 5.5:1, surface 5.0:1 */
  --text-nav:#526078;       /* 6.4:1 */
  --text-keyword:#567198;   /* 5.0:1 */
  --on-navy-muted:#acbdd5;  /* 네이비 위 10:1 */
  --on-navy-subtle:#879ab6; /* 네이비 위 6.7:1 */
  --line:#dce2ec;
  --surface:#f5f5f7;
  --ease-out:cubic-bezier(.2,.7,.2,1);
  --dur-fast:.2s;
  --dur-slow:.7s
}
* {
  box-sizing:border-box
}
html {
  scroll-behavior:smooth;
  scroll-padding-top:92px
}
body {
  margin:0;
  background:white;
  color:var(--ink);
  font-family:Geist,Pretendard,sans-serif;
  font-synthesis:none;
  -webkit-font-smoothing:antialiased
}
a {
  color:inherit;
  text-decoration:none
}
a,button {
  -webkit-tap-highlight-color:transparent
}
a:focus-visible,button:focus-visible {
  outline:3px solid var(--blue);
  outline-offset:5px
}
::selection {
  background:#bfe0ff;
  color:var(--navy)
}
h1,h2,h3,h4,p {
  margin:0
}
h1,h2,h3,h4 {
  word-break:keep-all;
  text-wrap:balance
}
p {
  word-break:keep-all;
  line-height:1.85
}
svg {
  display:block
}
a svg {
  flex-shrink:0
}
.wrap {
  width:min(1200px,calc(100% - 96px));
  margin-inline:auto
}
.eyebrow {
  font-size:12px;
  font-weight:500;
  letter-spacing:.08em;
  line-height:1.5;
  color:var(--text-muted)
}
.eyebrow.light {
  color:var(--sky)
}
.eyebrow:before {
  display:none
}
.arrow {
  width:18px;
  height:18px
}
.skip {
  position:fixed;
  top:12px;
  left:12px;
  background:var(--navy);
  color:white;
  padding:14px 20px;
  z-index:100;
  transform:translateY(-160%);
  border-radius:10px
}
.skip:focus {
  transform:none
}
.section-head {
  display:flex;
  align-items:center;
  justify-content:center;
  text-align:center;
  gap:24px;
  margin-bottom:56px
}
.section-head h2 {
  font-size:clamp(38px,4.2vw,56px);
  line-height:1.18;
  font-weight:600;
  letter-spacing:-.055em
}
.section-head .eyebrow {
  margin-bottom:20px
}
.index {
  display:none
}
header {
  height:68px;
  position:fixed;
  inset:0 0 auto;
  z-index:20;
  border-bottom:1px solid rgba(13,38,87,.07);
  background:rgba(255,255,255,.85);
  backdrop-filter:blur(22px);
  -webkit-backdrop-filter:blur(22px);
  transition:box-shadow var(--dur-fast)
}
header.scrolled {
  box-shadow:0 8px 24px rgba(5,13,36,.06)
}
.header-inner {
  height:100%;
  display:flex;
  align-items:center;
  justify-content:space-between;
  max-width:1200px
}
.logo {
  display:inline-flex;
  align-items:center;
  gap:7px;
  min-height:44px;
  color:white
}
.wordmark {
  font-family:Archivo,sans-serif;
  font-weight:800;
  font-style:italic;
  letter-spacing:-.9px;
  font-size:25px
}
.logo-symbol {
  width:48px;
  height:30px
}
header .logo {
  background:var(--navy);
  padding:0 12px;
  border-radius:10px;
  min-height:44px;
  gap:5px
}
header .wordmark {
  font-size:20px;
  letter-spacing:-.65px
}
header .logo-symbol {
  width:38px;
  height:24px
}
.header-actions {
  display:flex;
  align-items:center;
  gap:10px
}
.nav {
  display:flex;
  align-items:center;
  gap:32px;
  margin-left:auto;
  margin-right:42px
}
.nav a {
  font-size:13px;
  letter-spacing:0;
  min-height:44px;
  display:flex;
  align-items:center;
  color:var(--text-nav);
  transition:color var(--dur-fast)
}
.nav a:hover {
  color:var(--blue-deep)
}
.nav-contact {
  display:inline-flex;
  align-items:center;
  font-size:13px;
  color:white;
  background:var(--blue-deep);
  min-height:44px;
  padding:0 17px;
  border-radius:99px;
  transition:background var(--dur-fast)
}
.nav-contact:hover {
  background:var(--navy2)
}
.menu-toggle {
  display:none;
  width:44px;
  height:44px;
  padding:0;
  border:0;
  background:transparent;
  border-radius:10px;
  cursor:pointer;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  gap:5px;
  color:var(--blue-deep)
}
.menu-bar {
  display:block;
  width:18px;
  height:2px;
  background:currentColor;
  border-radius:2px;
  transition:transform var(--dur-fast) var(--ease-out)
}
header.nav-open .menu-bar:first-child {
  transform:translateY(3.5px) rotate(45deg)
}
header.nav-open .menu-bar:last-child {
  transform:translateY(-3.5px) rotate(-45deg)
}
.hero {
  position:relative;
  overflow:hidden;
  padding-bottom:26px
}
.hero-content {
  text-align:center;
  position:relative;
  padding-top:154px;
  z-index:2
}
.hero .eyebrow {
  font-size:12px;
  color:var(--text-nav);
  letter-spacing:.14em;
  margin-bottom:24px
}
.hero h1 {
  font-size:clamp(58px,6vw,86px);
  font-weight:600;
  letter-spacing:-.065em;
  line-height:1.16
}
.hero h1 span {
  display:block;
  background:linear-gradient(100deg,#163b7d 22%,#4d8dff 65%,#9d7bff 100%);
  background-clip:text;
  -webkit-background-clip:text;
  color:transparent
}
.hero-description {
  font-size:19px;
  line-height:1.75;
  color:var(--text-muted);
  max-width:620px;
  margin:26px auto 0;
  letter-spacing:-.02em
}
.hero-actions {
  display:flex;
  align-items:center;
  justify-content:center;
  gap:28px;
  margin-top:30px
}
.button {
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:17px;
  min-height:48px;
  padding:0 23px;
  background:var(--blue-deep);
  color:white;
  border-radius:99px;
  font-size:14px;
  font-weight:500;
  transition:background .25s,transform .25s
}
.button:hover {
  background:var(--navy2);
  transform:translateY(-2px)
}
.button .arrow {
  width:16px;
  height:16px
}
.button .arrow,.text-link .arrow {
  transition:transform var(--dur-fast) var(--ease-out)
}
.button:hover .arrow {
  transform:translate(2px,-2px)
}
.text-link:hover .arrow {
  transform:translateY(3px)
}
.text-link {
  display:inline-flex;
  align-items:center;
  gap:9px;
  min-height:48px;
  font-size:14px;
  color:var(--blue-deep)
}
.text-link:hover {
  text-decoration:underline;
  text-underline-offset:5px
}
.text-link .arrow {
  width:16px;
  height:16px
}
.hero-art {
  position:relative;
  width:min(940px,calc(100% - 48px));
  height:350px;
  margin:34px auto 0;
  z-index:1
}
.hero-art>svg {
  width:100%;
  height:100%;
  overflow:visible
}
.hero-bottom {
  display:flex;
  align-items:center;
  justify-content:center;
  gap:32px;
  position:relative;
  height:56px
}
.disciplines {
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:center;
  gap:6px 28px;
  color:var(--text-muted);
  font-size:12px;
  font-weight:400;
  letter-spacing:.02em
}
.disciplines span+span:before {
  content:"";
  display:inline-block;
  width:3px;
  height:3px;
  background:#b6c5dc;
  border-radius:50%;
  vertical-align:middle;
  margin-right:28px
}
.scroll-link {
  display:none
}
.stream-dots {
  animation:fade-in .8s ease-out 1.8s both
}
.stream-dot {
  animation:stream 6s ease-in-out infinite
}
.stream-dot:nth-child(3n) {
  animation-delay:-2s
}
.stream-dot:nth-child(3n + 1) {
  animation-delay:-4s
}
@keyframes stream {
  0%,100% {
    opacity:.3;
    transform:translateY(0)
  }
  50% {
    opacity:.8;
    transform:translateY(-6px)
  }
}
.about {
  padding:124px 0 130px;
  color:var(--ink)
}
.about-layout {
  display:block;
  text-align:center;
  max-width:1060px
}
.about .eyebrow {
  margin-bottom:25px
}
.about h2 {
  font-size:clamp(32px,3.6vw,48px);
  font-weight:600;
  letter-spacing:-.055em;
  line-height:1.35
}
.about h2 span {
  color:var(--blue)
}
.about-copy {
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:48px;
  max-width:890px;
  margin:42px auto 0;
  text-align:left
}
.about-copy p {
  font-size:17px;
  color:var(--text-muted);
  line-height:1.9;
  letter-spacing:-.015em
}
.about-signature {
  display:none
}
.services {
  position:relative;
  padding:115px 0 120px
}
/* 회색 띠: 위아래를 길게 페이드시켜 직선 경계 없이 섹션만 구분 */
.services:before,.contact:before {
  content:"";
  position:absolute;
  inset:0;
  z-index:-1;
  background:rgba(240,242,247,.62);
  -webkit-mask-image:linear-gradient(to bottom,transparent,#000 180px,#000 calc(100% - 180px),transparent);
  mask-image:linear-gradient(to bottom,transparent,#000 180px,#000 calc(100% - 180px),transparent)
}
.services .eyebrow {
  color:var(--text-muted)
}
.services-grid {
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:24px
}
.ai-card {
  position:relative;
  grid-column:1/-1;
  min-height:390px;
  padding:46px 52px;
  background:white;
  border:1px solid rgba(13,38,87,.06);
  border-radius:30px;
  overflow:hidden;
  box-shadow:0 8px 32px rgba(5,13,36,.03)
}
.service-top {
  display:flex;
  justify-content:space-between;
  align-items:center;
  gap:20px
}
.service-top h3 {
  font-size:24px;
  font-weight:550;
  letter-spacing:-.035em
}
.service-number {
  font-size:12px;
  letter-spacing:.02em;
  color:var(--text-muted)
}
.ai-card .service-top {
  max-width:52%
}
.ai-card h4 {
  position:relative;
  z-index:2;
  font-size:44px;
  font-weight:600;
  letter-spacing:-.055em;
  line-height:1.22;
  margin:31px 0 23px;
  max-width:60%
}
.ai-card h4 span {
  color:var(--blue)
}
.ai-card p {
  position:relative;
  z-index:2;
  font-size:16px;
  max-width:490px;
  width:50%;
  color:var(--text-muted);
  line-height:1.85
}
.ai-card-art {
  position:absolute;
  right:10px;
  top:50%;
  transform:translateY(-50%);
  width:43%;
  height:300px
}
.ai-card-art svg {
  width:100%;
  height:100%
}
.other-services {
  display:contents
}
.service-row {
  background:white;
  border:1px solid rgba(13,38,87,.06);
  padding:42px 44px;
  border-radius:28px;
  min-height:265px;
  box-shadow:0 8px 32px rgba(5,13,36,.03)
}
.service-row .service-top h3 {
  font-size:25px
}
.service-row p {
  max-width:420px;
  font-size:17px;
  color:var(--text-muted);
  line-height:1.8;
  margin-top:25px
}
.keywords {
  display:flex;
  flex-wrap:wrap;
  gap:9px 20px;
  font-size:12px;
  color:var(--text-keyword);
  margin-top:28px
}
.keywords span {
  padding:0;
  border:0
}
.keywords span+span:before {
  content:"·";
  margin-right:14px;
  color:#acb9ce
}
.ai-statement {
  padding:100px 0
}
.ai-layout {
  display:grid;
  grid-template-columns:1fr 1.2fr;
  align-items:center;
  gap:60px;
  border-radius:32px;
  background:radial-gradient(ellipse at 0 100%,var(--blue-deep),transparent 65%),var(--navy);
  padding:90px 72px;
  min-height:420px;
  color:white;
  overflow:hidden
}
.ai-visual svg {
  width:100%
}
.ai-statement .eyebrow {
  margin-bottom:23px;
  color:var(--sky)
}
.ai-statement h2 {
  font-size:clamp(32px,3.1vw,43px);
  font-weight:550;
  letter-spacing:-.05em;
  line-height:1.3
}
.ai-statement h2 span {
  color:var(--sky)
}
.ai-statement p {
  color:var(--on-navy-muted);
  max-width:450px;
  font-size:16px;
  margin-top:25px
}
.process {
  padding:40px 0 130px
}
.process .eyebrow {
  color:var(--text-muted)
}
.process .section-head {
  margin-bottom:65px
}
.steps {
  list-style:none;
  padding:0;
  margin:0;
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:40px
}
.step {
  padding-top:25px;
  border-top:1px solid var(--line);
  position:relative
}
.step-number {
  display:flex;
  align-items:center;
  justify-content:space-between;
  font-size:36px;
  font-weight:400;
  letter-spacing:-.045em;
  color:var(--blue-deep)
}
.step-number svg {
  width:16px;
  height:16px;
  color:#a3b4cb
}
.step-number>span {
  font-size:28px;
  color:#a3b4cb
}
.step h3 {
  font-size:23px;
  font-weight:550;
  letter-spacing:-.035em;
  margin:27px 0 14px
}
.step p {
  font-size:16px;
  color:var(--text-muted);
  line-height:1.85;
  max-width:240px
}
.contact {
  position:relative;
  padding:115px 0 110px;
  color:var(--ink)
}
.contact:before {
  -webkit-mask-image:linear-gradient(to bottom,transparent,#000 160px);
  mask-image:linear-gradient(to bottom,transparent,#000 160px)
}
.contact-layout {
  display:flex;
  justify-content:center;
  text-align:center
}
.contact .eyebrow {
  color:var(--text-muted);
  margin-bottom:24px
}
.contact h2 {
  font-size:clamp(46px,5vw,68px);
  font-weight:600;
  line-height:1.2;
  letter-spacing:-.06em
}
.contact p {
  font-size:18px;
  color:var(--text-muted);
  margin-top:25px
}
.email-link {
  display:inline-flex;
  align-items:center;
  gap:18px;
  min-height:56px;
  margin-top:27px;
  color:var(--blue-deep);
  font-size:27px;
  font-weight:400;
  letter-spacing:-.035em
}
.email-link svg {
  width:23px;
  height:23px;
  transition:transform .25s
}
.email-link:hover {
  text-decoration:underline;
  text-underline-offset:7px
}
.email-link:hover svg {
  transform:translate(3px,-3px)
}
.contact-mark {
  display:none
}
footer {
  padding:35px 0 25px;
  background:var(--navy);
  color:white
}
.footer-top {
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:30px
}
.footer-links {
  display:flex;
  align-items:center;
  gap:20px;
  font-size:12px;
  color:var(--on-navy-muted)
}
.footer-links a {
  display:inline-flex;
  min-height:44px;
  align-items:center
}
.footer-links a:hover {
  color:white
}
.footer-bottom {
  display:flex;
  justify-content:space-between;
  align-items:center;
  gap:20px;
  border-top:1px solid rgba(191,224,255,.14);
  margin-top:22px;
  padding-top:16px;
  color:var(--on-navy-subtle);
  font-size:12px
}
.footer-bottom p {
  line-height:1.8
}
.footer-name {
  letter-spacing:.03em
}
.back-top {
  display:inline-flex;
  align-items:center;
  gap:12px;
  min-height:44px;
  letter-spacing:.04em;
  font-size:12px
}
.back-top svg {
  width:14px;
  height:14px
}
@media(min-width:901px) {
  .hero-content .eyebrow,.hero h1,.hero-description,.hero-actions {
    animation:enter .7s both
  }
  .hero h1 {
    animation-delay:.04s
  }
  .hero-description {
    animation-delay:.09s
  }
  .hero-actions {
    animation-delay:.14s
  }
}
@keyframes enter {
  from {
    opacity:0;
    transform:translateY(10px)
  }
  to {
    opacity:1;
    transform:none
  }
}
@media(max-width:1100px) {
  .wrap {
    width:calc(100% - 72px)
  }
  .hero h1 {
    font-size:72px
  }
  .ai-card {
    padding:42px
  }
  .ai-card h4 {
    font-size:38px
  }
  .ai-card p {
    width:53%
  }
  .ai-layout {
    padding:70px 50px;
    gap:40px
  }
  .ai-statement h2 {
    font-size:36px
  }
  .service-row {
    padding:36px
  }
  .steps {
    gap:28px
  }
}
@media(max-width:800px) {
  .wrap {
    width:calc(100% - 48px)
  }
  .menu-toggle {
    display:inline-flex
  }
  .nav {
    position:absolute;
    top:100%;
    left:0;
    right:0;
    flex-direction:column;
    align-items:stretch;
    gap:0;
    margin:0;
    padding:6px 24px 14px;
    background:rgba(255,255,255,.96);
    backdrop-filter:blur(22px);
    -webkit-backdrop-filter:blur(22px);
    border-bottom:1px solid rgba(13,38,87,.08);
    box-shadow:0 16px 32px rgba(5,13,36,.08);
    opacity:0;
    transform:translateY(-6px);
    visibility:hidden;
    transition:opacity var(--dur-fast) var(--ease-out),transform var(--dur-fast) var(--ease-out),visibility 0s var(--dur-fast)
  }
  header.nav-open .nav {
    opacity:1;
    transform:none;
    visibility:visible;
    transition:opacity var(--dur-fast) var(--ease-out),transform var(--dur-fast) var(--ease-out)
  }
  .nav a {
    font-size:16px;
    min-height:52px;
    border-bottom:1px solid var(--line)
  }
  .nav a:last-child {
    border-bottom:0
  }
  .hero-content {
    padding-top:135px
  }
  .hero h1 {
    font-size:64px
  }
  .hero-description {
    font-size:18px;
    max-width:520px
  }
  .hero-art {
    height:300px;
    margin-top:30px
  }
  .about {
    padding:95px 0
  }
  .about h2 {
    font-size:38px
  }
  .about-copy {
    gap:30px
  }
  .about-copy p {
    font-size:16px
  }
  .services {
    padding:90px 0
  }
  .ai-card {
    min-height:370px;
    padding:35px
  }
  .ai-card h4 {
    font-size:33px;
    max-width:64%
  }
  .ai-card p {
    font-size:16px;
    width:58%
  }
  .ai-card-art {
    width:37%;
    right:-8px
  }
  .service-row {
    padding:31px;
    min-height:280px
  }
  .service-row .service-top h3 {
    font-size:22px
  }
  .service-row p {
    font-size:16px
  }
  .keywords {
    gap:8px 15px
  }
  .keywords span+span:before {
    margin-right:10px
  }
  .ai-statement {
    padding:75px 0
  }
  .ai-layout {
    grid-template-columns:.7fr 1.3fr;
    padding:60px 35px;
    gap:25px;
    min-height:380px
  }
  .ai-statement h2 {
    font-size:32px
  }
  .process {
    padding:20px 0 95px
  }
  .steps {
    grid-template-columns:1fr 1fr;
    gap:45px 35px
  }
  .step p {
    max-width:300px
  }
  .contact {
    padding:95px 0
  }
  .contact h2 {
    font-size:54px
  }
  .footer-name {
    display:none
  }
}
@media(max-width:600px) {
  html {
    scroll-padding-top:84px
  }
  .wrap {
    width:calc(100% - 40px)
  }
  header {
    height:64px
  }
  header .logo {
    border-radius:9px;
    padding:0 10px
  }
  header .wordmark {
    font-size:19px
  }
  header .logo-symbol {
    width:35px;
    height:22px
  }
  .nav-contact {
    font-size:12px;
    padding:0 14px
  }
  .header-actions {
    gap:4px
  }
  .hero {
    padding-bottom:20px
  }
  .hero-content {
    padding-top:127px
  }
  .hero .eyebrow {
    font-size:12px;
    letter-spacing:.11em;
    margin-bottom:24px
  }
  .hero h1 {
    font-size:clamp(37px,10.6vw,58px);
    letter-spacing:-.06em;
    line-height:1.18
  }
  .hero-description {
    font-size:16px;
    line-height:1.8;
    max-width:340px;
    margin-top:24px;
    letter-spacing:-.02em
  }
  .hero-description br {
    display:none
  }
  .hero-actions {
    gap:22px;
    margin-top:24px
  }
  .button {
    min-height:46px;
    padding:0 20px;
    gap:13px
  }
  .text-link {
    min-height:46px;
    gap:8px
  }
  .hero-art {
    width:calc(100% + 10px);
    height:240px;
    margin:20px -5px 0
  }
  .hero-bottom {
    height:auto;
    min-height:40px;
    padding:6px 0
  }
  .disciplines {
    gap:6px 18px;
    letter-spacing:0
  }
  .disciplines span+span:before {
    display:none
  }
  .about {
    padding:78px 0 83px
  }
  .about .eyebrow {
    margin-bottom:23px
  }
  .eyebrow {
    font-size:12px
  }
  .about h2 {
    font-size:clamp(27px,7.2vw,35px);
    line-height:1.4;
    letter-spacing:-.055em
  }
  .about h2 span {
    display:block;
    margin-top:7px
  }
  .about-copy {
    grid-template-columns:1fr;
    gap:22px;
    margin-top:31px;
    text-align:left;
    padding:0 6px
  }
  .about-copy p {
    font-size:16px;
    line-height:1.9
  }
  .section-head {
    margin-bottom:34px
  }
  .section-head h2 {
    font-size:35px;
    letter-spacing:-.055em
  }
  .section-head .eyebrow {
    margin-bottom:19px
  }
  .services {
    padding:78px 0 80px
  }
  .services-grid {
    grid-template-columns:1fr;
    gap:18px
  }
  .ai-card {
    grid-column:auto;
    min-height:530px;
    padding:31px 28px;
    border-radius:25px
  }
  .ai-card .service-top {
    max-width:none
  }
  .service-top h3 {
    font-size:21px
  }
  .ai-card h4 {
    font-size:34px;
    line-height:1.25;
    max-width:none;
    margin:29px 0 22px
  }
  .ai-card p {
    font-size:16px;
    width:100%;
    max-width:none;
    line-height:1.85
  }
  .ai-card-art {
    top:auto;
    bottom:-3px;
    transform:none;
    width:100%;
    height:190px;
    right:0
  }
  .service-row {
    min-height:270px;
    padding:31px 28px;
    border-radius:25px
  }
  .service-row .service-top h3 {
    font-size:22px
  }
  .service-row p {
    font-size:16px;
    margin-top:22px
  }
  .keywords {
    margin-top:24px;
    gap:8px 11px
  }
  .keywords span+span:before {
    margin-right:8px
  }
  .ai-statement {
    padding:55px 0 65px
  }
  .ai-layout {
    display:flex;
    flex-direction:column-reverse;
    text-align:center;
    padding:49px 25px 27px;
    gap:25px;
    border-radius:25px;
    min-height:0
  }
  .ai-statement .eyebrow {
    margin-bottom:23px
  }
  .ai-statement h2 {
    font-size:clamp(27px,7.5vw,35px);
    line-height:1.35;
    letter-spacing:-.055em
  }
  .ai-statement p {
    margin-top:23px;
    text-align:center
  }
  .ai-visual {
    height:130px;
    width:100%;
    overflow:hidden
  }
  .ai-visual svg {
    height:100%;
    width:100%
  }
  .process {
    padding:10px 0 80px
  }
  .process .section-head {
    margin-bottom:42px
  }
  .steps {
    grid-template-columns:1fr;
    gap:30px;
    padding:0 6px
  }
  .step {
    display:grid;
    grid-template-columns:58px 1fr;
    column-gap:22px;
    padding-top:23px
  }
  .step-number {
    grid-row:1/3;
    align-self:start;
    font-size:32px;
    justify-content:flex-start
  }
  .step-number svg,.step-number>span {
    display:none
  }
  .step h3 {
    font-size:21px;
    margin:1px 0 9px
  }
  .step p {
    max-width:none
  }
  .contact {
    padding:78px 0 75px
  }
  .contact .eyebrow {
    margin-bottom:25px
  }
  .contact h2 {
    font-size:44px;
    letter-spacing:-.055em
  }
  .contact p {
    font-size:16px;
    margin-top:23px
  }
  .email-link {
    font-size:25px;
    gap:16px;
    margin-top:20px
  }
  .email-link svg {
    width:20px;
    height:20px
  }
  footer {
    padding:27px 0 23px
  }
  .footer-top {
    flex-direction:column;
    align-items:flex-start;
    gap:12px
  }
  .wordmark {
    font-size:24px
  }
  .logo-symbol {
    width:45px;
    height:28px
  }
  .footer-links {
    gap:12px
  }
  .footer-bottom {
    margin-top:16px;
    padding-top:15px;
    gap:10px;
    align-items:center
  }
  .back-top {
    gap:8px;
    white-space:nowrap
  }
  .footer-bottom p {
    line-height:1.8
  }
}
@media(max-width:360px) {
  .wrap {
    width:calc(100% - 36px)
  }
  .hero h1 {
    font-size:37px
  }
  .hero-description {
    font-size:16px
  }
  .hero-art {
    height:205px
  }
  .disciplines {
    gap:6px 10px
  }
  .disciplines span+span:before {
    margin-right:10px
  }
  .about h2 {
    font-size:26px
  }
  .ai-card,.service-row {
    padding:28px 24px
  }
  .ai-card h4 {
    font-size:31px
  }
  .ai-card {
    min-height:540px
  }
  .ai-statement h2 {
    font-size:26px
  }
  .contact h2 {
    font-size:39px
  }
  .section-head h2 {
    font-size:32px
  }
}
/* ---------- 배경 글로우: 페이지 전체 뒤 고정 레이어 ---------- */
.page-ambient {
  position:fixed;
  inset:0;
  z-index:0;
  overflow:hidden;
  pointer-events:none
}
main,footer {
  position:relative;
  z-index:1
}
.ambient {
  position:absolute;
  inset:0;
  overflow:hidden;
  pointer-events:none;
  z-index:0
}
.orb {
  position:absolute;
  border-radius:50%;
  will-change:transform;
  background:radial-gradient(circle,rgba(77,141,255,.36) 0%,rgba(77,141,255,.14) 36%,rgba(77,141,255,0) 68%)
}
.orb-a {
  width:min(820px,140vw);
  height:min(820px,140vw);
  left:-12%;
  top:-22%;
  animation:orb-a 16s ease-in-out infinite alternate
}
.orb-b {
  width:min(680px,120vw);
  height:min(680px,120vw);
  right:-14%;
  top:2%;
  background:radial-gradient(circle,rgba(143,188,255,.44) 0%,rgba(143,188,255,.16) 36%,rgba(143,188,255,0) 68%);
  animation:orb-b 20s ease-in-out infinite alternate
}
.orb-c {
  width:min(600px,110vw);
  height:min(600px,110vw);
  left:28%;
  bottom:-30%;
  background:radial-gradient(circle,rgba(157,123,255,.26) 0%,rgba(157,123,255,.1) 36%,rgba(157,123,255,0) 68%);
  animation:orb-c 24s ease-in-out infinite alternate
}
.orb-d {
  width:min(720px,130vw);
  height:min(720px,130vw);
  right:-22%;
  top:-45%;
  background:radial-gradient(circle,rgba(77,141,255,.5) 0%,rgba(77,141,255,.18) 36%,rgba(77,141,255,0) 68%);
  animation:orb-d 18s ease-in-out infinite alternate
}
@keyframes orb-a {
  to {
    transform:translate(22vw,14vh) scale(1.18)
  }
}
@keyframes orb-b {
  to {
    transform:translate(-20vw,22vh) scale(1.25)
  }
}
@keyframes orb-c {
  to {
    transform:translate(-16vw,-16vh) scale(1.12)
  }
}
@keyframes orb-d {
  to {
    transform:translate(-26vw,24vh) scale(1.2)
  }
}
/* 천천히 흐르는 도트 격자 (타일 한 칸만큼 이동해 끊김 없이 반복) */
.hero-grid {
  position:absolute;
  inset:0;
  overflow:hidden;
  -webkit-mask-image:radial-gradient(ellipse 55% 42% at 50% 58%,#000 10%,transparent 68%);
  mask-image:radial-gradient(ellipse 55% 42% at 50% 58%,#000 10%,transparent 68%)
}
.hero-grid:before {
  content:"";
  position:absolute;
  inset:-26px 0 0 -26px;
  background-image:radial-gradient(rgba(22,59,125,.18) 1px,transparent 1.5px);
  background-size:26px 26px;
  will-change:transform;
  animation:grid-drift 7s linear infinite
}
@keyframes grid-drift {
  to {
    transform:translate(26px,26px)
  }
}
/* 떠오르는 입자 */
.particle {
  position:absolute;
  left:var(--x);
  bottom:-16px;
  width:var(--s,6px);
  height:var(--s,6px);
  border-radius:50%;
  background:var(--blue);
  box-shadow:0 0 14px rgba(77,141,255,.55);
  opacity:0;
  will-change:transform;
  animation:rise var(--d,18s) linear var(--t,0s) infinite
}
.particle.sky {
  background:var(--sky);
  box-shadow:0 0 14px rgba(143,188,255,.6)
}
@keyframes rise {
  0% {
    transform:translateY(0) scale(.5);
    opacity:0
  }
  8% {
    opacity:.6
  }
  85% {
    opacity:.4
  }
  100% {
    transform:translateY(-120vh) scale(1.1);
    opacity:0
  }
}
.ai-layout {
  position:relative
}
.ai-layout>:not(.ambient) {
  position:relative;
  z-index:1
}
/* ---------- 히어로 일러스트: 조립 → 부유 ---------- */
.plate {
  will-change:transform;
  animation:assemble var(--dur-slow) var(--ease-out) both,float 7s ease-in-out 1.2s infinite
}
.plate-base {
  --from:46px;
  --float:3px;
  animation-delay:.1s,1.8s
}
.plate-mid {
  --from:-44px;
  --float:5px;
  animation-delay:.38s,1.5s
}
.plate-top {
  --from:-72px;
  --float:8px;
  animation-delay:.62s,1.2s
}
@keyframes assemble {
  from {
    opacity:0;
    transform:translateY(var(--from))
  }
  to {
    opacity:1;
    transform:translateY(0)
  }
}
@keyframes float {
  0%,100% {
    transform:translateY(0)
  }
  50% {
    transform:translateY(calc(var(--float) * -1))
  }
}
.plate-floor {
  animation:fade-in 1s ease-out .5s both
}
.plate-shadow {
  transform-box:fill-box;
  transform-origin:center;
  animation:shadow-in .8s var(--ease-out) .9s both,shadow-breathe 6.4s ease-in-out 1.2s infinite
}
@keyframes shadow-in {
  from {
    opacity:0;
    transform:scale(.6)
  }
  to {
    opacity:.13;
    transform:scale(1)
  }
}
@keyframes shadow-breathe {
  0%,100% {
    transform:scale(1);
    opacity:.13
  }
  50% {
    transform:scale(.93);
    opacity:.09
  }
}
.plate-lines path {
  stroke-dasharray:1;
  stroke-dashoffset:1;
  animation:draw 1.1s var(--ease-out) 1.15s forwards
}
@keyframes draw {
  to {
    stroke-dashoffset:0
  }
}
.plate-dots circle {
  transform-box:fill-box;
  transform-origin:center;
  animation:pop .5s var(--ease-out) 1.6s both
}
.plate-dots circle:nth-child(2) {
  animation-delay:1.75s
}
.plate-dots circle:nth-child(3) {
  animation-delay:1.9s
}
@keyframes pop {
  from {
    transform:scale(0)
  }
  to {
    transform:scale(1)
  }
}
@keyframes fade-in {
  from {
    opacity:0
  }
  to {
    opacity:1
  }
}
/* ---------- AI 오브: 숨쉬기·파동 (점 흐름은 SVG animateMotion) ---------- */
.orb-core,.orb-halo,.pulse-ring {
  transform-box:fill-box;
  transform-origin:center
}
.orb-core {
  animation:breathe 5s ease-in-out infinite
}
.orb-halo {
  animation:halo 5s ease-in-out infinite
}
.pulse-ring {
  fill:none;
  opacity:0;
  animation:pulse 3s var(--ease-out) infinite
}
@keyframes breathe {
  0%,100% {
    transform:scale(1)
  }
  50% {
    transform:scale(1.05)
  }
}
@keyframes halo {
  0%,100% {
    transform:scale(1);
    opacity:.85
  }
  50% {
    transform:scale(1.07);
    opacity:1
  }
}
@keyframes pulse {
  0% {
    transform:scale(.96);
    opacity:.7
  }
  70% {
    opacity:0
  }
  100% {
    transform:scale(1.75);
    opacity:0
  }
}
.node-dot {
  animation:blink 3s ease-in-out infinite
}
.node-dot:nth-child(2) {
  animation-delay:-1s
}
.node-dot:nth-child(3) {
  animation-delay:-2s
}
.node-dot:nth-child(4) {
  animation-delay:-1.5s
}
@keyframes blink {
  0%,100% {
    opacity:.55
  }
  50% {
    opacity:1
  }
}
/* ---------- 스크롤 등장 ---------- */
html.js [data-reveal] {
  opacity:0;
  transform:translateY(20px);
  transition:opacity var(--dur-slow) var(--ease-out),transform var(--dur-slow) var(--ease-out);
  transition-delay:var(--reveal-delay,0s)
}
html.js [data-reveal].is-visible {
  opacity:1;
  transform:none
}
html.js [data-reveal=stagger] {
  opacity:1;
  transform:none;
  transition:none
}
html.js [data-reveal=stagger]>* {
  opacity:0;
  transform:translateY(20px);
  transition:opacity var(--dur-slow) var(--ease-out),transform var(--dur-slow) var(--ease-out)
}
html.js [data-reveal=stagger].is-visible>* {
  opacity:1;
  transform:none
}
html.js [data-reveal=stagger].is-visible>:nth-child(2) {
  transition-delay:.1s
}
html.js [data-reveal=stagger].is-visible>:nth-child(3) {
  transition-delay:.2s
}
html.js [data-reveal=stagger].is-visible>:nth-child(4) {
  transition-delay:.3s
}
.other-services .service-row:nth-child(2) {
  --reveal-delay:.12s
}
/* 화면 밖 섹션의 배경 오브는 정지 (SVG 모션은 스크립트에서 pauseAnimations) */
html.js [data-loop]:not(.in-view) .orb,html.js [data-loop]:not(.in-view) .particle,html.js [data-loop]:not(.in-view) .hero-grid:before {
  animation-play-state:paused
}
@media(prefers-reduced-motion:reduce) {
  html {
    scroll-behavior:auto
  }
  *,*:before,*:after {
    animation:none!important;
    transition:none!important
  }
  .plate-lines path {
    stroke-dashoffset:0
  }
  html.js [data-reveal],html.js [data-reveal=stagger]>* {
    opacity:1;
    transform:none
  }
}