:root {
  --main-red: #7a1e14;
  --accent: #d45a49;
  --bg: #070707;
  --panel: rgba(17, 17, 17, 0.84);
  --border: rgba(255, 255, 255, 0.1);
  --text: #ffffff;
  --text-soft: #c7c7c7;
  --shadow: 0 24px 60px rgba(0, 0, 0, 0.35);
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  min-height: 100vh;
  overflow-x: hidden;
  font-family: "Segoe UI", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(122, 30, 20, 0.22), transparent 34%),
    radial-gradient(circle at 85% 20%, rgba(255, 255, 255, 0.06), transparent 28%),
    var(--bg);
}

/* AI Background */
#ai-bg {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  opacity: 0.42;
  pointer-events: none;
}

main,
section {
  position: relative;
  z-index: 1;
}

/* NAV */
nav {
  position: fixed;
  top: 0;
  left: 0;
  z-index: 20;
  width: 100%;
  padding: 22px 40px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
  background: rgba(0, 0, 0, 0.55);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
}

.logo img:first-child {
  height: 28px;
}

.logo img:last-child {
  height: 18px;
}

.nav-links {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 26px;
}

.nav-links a {
  position: relative;
  padding-bottom: 4px;
  color: #ddd;
  text-decoration: none;
  font-size: 15px;
  transition: color 0.2s ease;
}

.nav-links .nav-youtube {
  display: block;
  position: relative;
  width: 85px;
  height: 20px;
  margin-right: -6px;
  overflow: hidden;
  padding-bottom: 0;
}

.nav-youtube img {
  display: block;
  position: absolute;
  left: 0;
  top: -32px;
  max-width: none;
  width: auto;
  height: 84px;
  object-fit: contain;
}

.nav-links a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 2px;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.2s ease;
}

.nav-links .nav-youtube::after {
  display: none;
}

.nav-links a:hover,
.nav-links a.active {
  color: #fff;
}

.nav-links a:hover::after,
.nav-links a.active::after {
  transform: scaleX(1);
}

.language-switcher {
  position: relative;
  display: flex;
  align-items: center;
  padding-bottom: 4px;
}

.language-current,
.language-menu button {
  color: #ddd;
  border: 0;
  background: transparent;
  font: inherit;
  cursor: pointer;
}

.language-current {
  min-width: 28px;
  padding: 0;
  text-align: left;
}

.language-menu {
  position: absolute;
  top: 100%;
  left: 50%;
  z-index: 25;
  min-width: 48px;
  padding: 8px 10px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: rgba(0, 0, 0, 0.86);
  box-shadow: var(--shadow);
  opacity: 0;
  pointer-events: none;
  transform: translate(-50%, 8px);
  transition: opacity 0.2s ease, transform 0.2s ease;
}

.language-switcher:hover .language-menu,
.language-switcher:focus-within .language-menu {
  opacity: 1;
  pointer-events: auto;
  transform: translate(-50%, 0);
}

.language-menu button {
  padding: 0;
  text-align: left;
}

.language-menu button:hover,
.language-menu button.active {
  color: #fff;
}

/* HERO */
.hero,
.page-hero {
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding-left: 24px;
  padding-right: 24px;
}

.hero {
  min-height: 100vh;
  padding-top: 120px;
  padding-bottom: 80px;
}

.page-hero {
  min-height: 240px;
  padding-top: 100px;
  padding-bottom: 40px;
}

.hero-inner,
.page-hero-inner {
  max-width: 760px;
}

.eyebrow {
  margin-bottom: 18px;
  color: var(--accent);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.hero h1,
.page-hero h1 {
  margin-bottom: 22px;
  font-size: clamp(44px, 9vw, 72px);
  line-height: 1.05;
}

.hero p,
.page-hero p,
.card p,
.timeline-item p {
  color: var(--text-soft);
  line-height: 1.7;
}

.hero p {
  font-size: 20px;
}

.home-hero {
  position: relative;
  justify-content: flex-start;
  min-height: 100vh;
  margin-top: 0;
  padding: 112px 24px 34px;
  overflow: hidden;
  text-align: left;
  background:
    radial-gradient(circle at 72% 46%, rgba(122, 30, 20, 0.62), transparent 26%),
    radial-gradient(circle at 96% 16%, rgba(212, 90, 73, 0.28), transparent 24%),
    linear-gradient(115deg, rgba(0, 0, 0, 0.95) 0%, rgba(8, 8, 8, 0.96) 46%, rgba(30, 8, 6, 0.88) 100%);
}

.home-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  background:
    linear-gradient(90deg, rgba(0, 0, 0, 0.82) 0%, transparent 48%),
    radial-gradient(circle at 54% 92%, rgba(255, 255, 255, 0.08), transparent 26%);
  pointer-events: none;
}

.home-hero-glow {
  position: absolute;
  right: -12vw;
  top: 6vh;
  z-index: 0;
  width: 58vw;
  height: 80vh;
  background: linear-gradient(135deg, rgba(122, 30, 20, 0.9), rgba(212, 90, 73, 0.18), transparent 70%);
  filter: blur(22px);
  transform: rotate(18deg);
  pointer-events: none;
}

.home-hero-inner {
  position: relative;
  z-index: 1;
  width: min(100%, 1280px);
  min-height: calc(100vh - 146px);
  margin: 0 auto;
  display: grid;
  grid-template-columns: minmax(360px, 0.95fr) minmax(360px, 1.05fr);
  align-items: center;
}

.home-hero-copy {
  max-width: 620px;
  align-self: start;
  padding-top: 18px;
}

.home-hero-copy h1 {
  margin-bottom: 26px;
  color: rgba(255, 255, 255, 0.9);
  font-size: clamp(52px, 7vw, 92px);
  line-height: 0.98;
  letter-spacing: 0;
}

.home-nowrap {
  white-space: nowrap;
}

.home-hero-copy p:not(.eyebrow) {
  color: var(--text-soft);
  font-size: 16px;
  line-height: 1.75;
}

.home-hero-lower {
  position: absolute;
  left: 0;
  top: clamp(390px, 52vh, 700px);
  z-index: 3;
  max-width: 560px;
}

.home-hero-lower p {
  color: var(--text-soft);
  font-size: 18px;
  line-height: 1.75;
}

.home-machine-stage {
  position: relative;
  align-self: stretch;
  min-height: 620px;
}

.home-machine {
  position: absolute;
  bottom: 10%;
  width: min(42vw, 520px);
  min-width: 360px;
  filter: drop-shadow(0 36px 44px rgba(0, 0, 0, 0.52));
}

.home-machine-front {
  left: 72%;
  z-index: 2;
  transform: translateX(-50%) rotate(5deg);
}

.home-machine-back {
  left: 34%;
  bottom: 16%;
  z-index: 1;
  width: min(27.5vw, 343px);
  min-width: 238px;
  opacity: 0.96;
  transform: translateX(-50%) rotate(-7deg);
}

.home-machine-halo {
  position: absolute;
  left: 50%;
  top: 8%;
  width: 420px;
  height: 420px;
  border-radius: 999px;
  background: radial-gradient(circle, rgba(212, 90, 73, 0.28), transparent 66%);
  transform: translateX(-50%);
}

.home-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 18px;
}

.home-hero-actions .btn {
  margin-top: 0;
  padding: 17px 34px;
  font-size: 18px;
  font-weight: 700;
}

.page-hero p {
  font-size: 18px;
}

.about-page-hero-inner {
  width: 100%;
  max-width: 1120px;
}

.about-overview-card {
  position: relative;
  overflow: hidden;
  margin-top: 8px;
  padding: 24px 28px;
  border: 1px solid var(--border);
  border-radius: 20px;
  background: var(--panel);
  box-shadow: var(--shadow);
  backdrop-filter: blur(12px);
}

.about-overview-card::before {
  content: "";
  position: absolute;
  top: -24%;
  right: -12%;
  z-index: 0;
  width: 62%;
  height: 168%;
  background: linear-gradient(135deg, rgba(122, 30, 20, 0.74), rgba(212, 90, 73, 0.18), transparent 72%);
  filter: blur(22px);
  transform: rotate(18deg);
  pointer-events: none;
}

.about-overview-card > * {
  position: relative;
  z-index: 1;
}

.about-hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 560px) minmax(260px, 320px);
  gap: 24px;
  align-items: center;
  justify-content: center;
  margin-top: 8px;
  text-align: left;
}

.about-hero-copy {
  display: grid;
  gap: 18px;
  max-width: 560px;
}

.about-hero-copy p {
  margin: 0;
  color: var(--text-soft);
  font-size: 17px;
  line-height: 1.75;
}

.about-hero-copy strong {
  color: inherit;
  font-weight: 800;
}

.about-hero-copy .ai-highlight {
  color: #a02719;
  font-weight: 800;
}

.about-hero-image {
  position: relative;
  justify-self: start;
  width: min(100%, 315px);
}

.about-hero-image img {
  position: relative;
  z-index: 1;
  display: block;
  width: 100%;
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.highlight {
  color: var(--accent);
}

/* BUTTON */
.btn {
  margin-top: 30px;
  display: inline-block;
  padding: 14px 28px;
  border-radius: 999px;
  color: white;
  text-decoration: none;
  background: linear-gradient(135deg, var(--main-red), #9b2d21);
  box-shadow: var(--shadow);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.btn:hover {
  transform: translateY(-1px);
  box-shadow: 0 18px 40px rgba(122, 30, 20, 0.35);
}

.hero-actions {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 14px;
}

/* CONTENT */
.content {
  max-width: 1150px;
  margin: 0 auto 100px;
  padding: 0 60px;
}

.section-title {
  margin-bottom: 18px;
  font-size: 32px;
}

.section-copy {
  max-width: 760px;
  margin: 0 auto 36px;
  color: var(--text-soft);
  text-align: center;
  line-height: 1.7;
}

.content-block + .content-block {
  margin-top: 56px;
}

.leadership-panel {
  width: min(100vw - 48px, 1280px);
  min-height: 180px;
  margin-left: 50%;
  padding: 42px 36px;
  border: 0;
  background: transparent;
  box-shadow: none;
  color: var(--text);
  transform: translateX(-50%);
}

.about-overview-card .leadership-panel {
  width: 100%;
  margin-left: 0;
  padding: 36px 0 0;
  transform: none;
}

.team-emblem {
  position: relative;
  z-index: 0;
  align-self: center;
  justify-self: center;
  width: 188px;
  max-width: none;
  max-height: 214px;
  object-fit: contain;
  opacity: 0.38;
  pointer-events: none;
}

.team-emblem-kaist {
  width: 210px;
}

.team-emblem-snu {
  width: 194px;
}

.leadership-grid {
  display: grid;
  width: min(100%, 1120px);
  margin: 0 auto;
  grid-template-columns: minmax(220px, 1fr) 44px minmax(220px, 1fr) 44px minmax(220px, 1fr);
  gap: 0;
  align-items: center;
}

.leader-profile {
  position: relative;
  z-index: 1;
  width: max-content;
  max-width: 100%;
  justify-self: center;
  text-align: left;
}

.leader-profile h3 {
  margin-bottom: 10px;
  color: var(--text);
  font-size: 20px;
  font-weight: 800;
}

.leader-profile ul {
  display: grid;
  gap: 6px;
  margin: 0;
  padding-left: 16px;
}

.leader-profile li {
  color: var(--text-soft);
  font-size: 18px;
  line-height: 1.55;
}

.partner-panel {
  position: relative;
  overflow: hidden;
  width: min(100%, 980px);
  margin: 44px auto 0;
  padding: 18px 22px;
  border-radius: 8px;
  background: transparent;
}

.partner-panel::before {
  content: "";
  position: absolute;
  left: -18%;
  top: -34%;
  z-index: 0;
  width: 118%;
  height: 130%;
  background: linear-gradient(135deg, rgba(122, 30, 20, 0.78), rgba(212, 90, 73, 0.18), transparent 70%);
  filter: blur(22px);
  transform: rotate(-18deg);
  pointer-events: none;
}

.partner-image {
  display: block;
  position: relative;
  z-index: 1;
  width: 100%;
  margin: 0 auto;
}

.nowrap {
  white-space: nowrap;
}

.grid,
.contact-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 20px;
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);  /* 2칸 */
  gap: 30px;
}

@media (max-width: 768px) {
  .card-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .card {
    padding: 20px;
  }
}

@media (max-width: 768px) {
  .section-title {
    font-size: 22px;
  }

  .card h3 {
    font-size: 18px;
  }
}

.card {
  padding: 28px;
  border: 1px solid var(--border);
  border-radius: 20px;
  background: var(--panel);
  box-shadow: var(--shadow);
  backdrop-filter: blur(12px);
}

.card:hover {
  transform: translateY(-8px);   /* 살짝 위로 */
  box-shadow: 0 10px 30px rgba(0,0,0,0.4);
  border-color: var(--main-red);   /* 포인트 컬러 강조 */
  border-width: 2px;
}

@media (max-width: 768px) {
  .card:hover {
    transform: none;
    box-shadow: none;
  }
}

.card.no-hover:hover {
  transform: none;
  box-shadow: none;
  border-color: rgba(255,255,255,0.05);
  background: #111;
}

.card.no-hover:hover h3 {
  color: inherit;
}

.card h3 {
  margin-bottom: 12px;
  font-size: 20px;
}

/* TIMELINE */
.timeline {
  display: grid;
  gap: 24px;
  margin-left: 30px;
  padding-left: 26px;
  border-left: 2px solid rgba(212, 90, 73, 0.65);
}

.timeline-item {
  position: relative;
  padding-left: 8px;
}

.timeline-item::before {
  content: "";
  position: absolute;
  left: -18px;
  top: 8px;
  width: 10px;
  height: 10px;
  border-radius: 999px;
  background: var(--accent);
  box-shadow: 0 0 0 6px rgba(212, 90, 73, 0.15);
}

.year {
  margin-bottom: 8px;
  color: var(--accent);
  font-weight: 700;
}

.timeline-item a,
.contact-link {
  color: white;
  text-decoration: none;
}

.timeline-item a:hover,
.contact-link:hover {
  color: var(--accent);
}

.contact-link {
  word-break: break-word;
}

/* MOBILE */
@media (max-width: 768px) {
  nav {
    padding: 18px 14px;
    flex-wrap: wrap;
    gap: 14px;
  }

  .logo img:first-child {
    height: 24px;
  }

  .logo img:last-child {
    height: 16px;
  }

  .nav-links {
    width: 100%;
    flex-wrap: nowrap;
    gap: 11px;
  }

  .nav-links a {
    font-size: 13px;
    white-space: nowrap;
  }

  .language-switcher {
    font-size: 13px;
    white-space: nowrap;
  }

  .nav-links .nav-youtube {
    width: 56px;
    height: 14px;
    margin-right: -2px;
  }

  .nav-youtube img {
    top: -21px;
    height: 55px;
  }

  .hero h1,
  .page-hero h1 {
    font-size: clamp(36px, 12vw, 48px);
  }

  .hero {
    padding-top: 160px;
    padding-bottom: 72px;
  }

  .home-hero {
    padding-top: 140px;
    padding-left: 20px;
    padding-right: 20px;
    padding-bottom: 32px;
    overflow: hidden;
  }

  .home-hero-inner {
    width: 100%;
    min-height: 760px;
    grid-template-columns: 1fr;
    align-items: start;
    justify-items: center;
  }

  .home-hero-copy {
    width: min(100%, 360px);
    max-width: 100%;
    padding-top: 0;
  }

  .home-hero-copy h1 {
    font-size: clamp(40px, 13vw, 54px);
  }

  .home-hero-copy p:not(.eyebrow) {
    font-size: 15px;
  }

  .home-machine-stage {
    width: 100%;
    min-height: 420px;
  }

  .home-machine {
    bottom: -30px;
    width: min(58vw, 300px);
    min-width: 205px;
  }

  .home-machine-front {
    left: 63%;
  }

  .home-machine-back {
    left: 20%;
    bottom: 0;
    width: min(34vw, 185px);
    min-width: 128px;
  }

  .home-hero-lower {
    position: relative;
    left: auto;
    top: auto;
    bottom: auto;
    max-width: 100%;
    margin-top: 18px;
  }

  .home-hero-lower p {
    font-size: 16px;
  }

  .home-hero-actions {
    width: min(100%, 360px);
    flex-wrap: wrap;
  }

  .home-hero-actions .btn {
    flex: 1 1 140px;
    padding: 13px 20px;
    font-size: 16px;
    text-align: center;
  }

  .hero p,
  .page-hero p {
    font-size: 16px;
  }

  .page-hero {
    min-height: auto;
    padding-top: 140px;
    padding-bottom: 28px;
  }

  .about-overview-card {
    padding: 20px;
  }

  .about-hero-grid {
    grid-template-columns: 1fr;
    gap: 18px;
    text-align: left;
  }

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

  .about-hero-image {
    max-width: 420px;
    margin: 0 auto;
  }

  .content {
    margin-bottom: 72px;
    padding: 0 20px;
  }

  .section-title {
    font-size: 28px;
  }

  .leadership-panel {
    padding: 28px 22px;
  }

  .leadership-grid {
    grid-template-columns: 1fr;
    gap: 10px;
  }

  .leader-profile {
    width: 100%;
    justify-self: stretch;
  }

  .team-emblem {
    width: 170px;
    max-height: 188px;
    opacity: 0.32;
  }
}

.grid.team-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.team-card {
  display: flex;
  align-items: flex-start;
  gap: 18px;
}

.team-card-media {
  flex: 0 0 104px;
}

.team-card-media img {
  display: block;
  width: 100%;
  aspect-ratio: 3 / 4;
  object-fit: cover;
  border-radius: 14px;
}

.team-card-body {
  flex: 1;
  min-width: 0;
}

.team-card-header {
  margin-bottom: 12px;
}

.team-card-header h3 {
  margin-bottom: 4px;
}

.team-card-header p {
  margin: 0;
  color: var(--text-soft);
  font-size: 15px;
  font-weight: 600;
}

.team-description {
  display: grid;
  gap: 4px;
}

.team-description p {
  margin: 0;
  line-height: 1.6;
}

@media (max-width: 900px) {
  .grid.team-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 600px) {
  .grid.team-grid {
    grid-template-columns: 1fr;
  }

  .team-card {
    gap: 14px;
  }

  .team-card-media {
    flex-basis: 88px;
  }

  .team-card-header h3 {
    font-size: 18px;
  }

  .team-card-header p {
    font-size: 14px;
  }
}

.link-icon {
  font-size: 12px;
  margin-left: 6px;
  opacity: 0.7;
}

.linkedin img {
  vertical-align: middle;
  opacity: 0.7;
  transition: 0.2s;
}

.linkedin img:hover {
  opacity: 1;
  transform: translateY(-2px);
}

.history-awards {
  display:grid;
  grid-template-columns: 1fr 1fr;
  gap:40px;
}

@media (max-width: 768px) {
  .history-awards {
    grid-template-columns: 1fr;
  }
}

.sub-title {
  margin-bottom:20px;
  font-size:20px;
  font-weight:600;
  color:var(--accent);
}

.name-row {
  display: flex;
  align-items: center;
  gap: 8px;
}

.name-row h3 {
  margin: 0;
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr; /* 위아래 배치 */
  gap: 20px;
}

.contact-form {
  display:flex;
  flex-direction:column;
  gap:14px;
}

.form-row {
  display:flex;
  gap:10px;
}

.form-row input {
  flex:1;
}

.contact-form input,
.contact-form textarea {
  background:#0e0e0e;
  border:1px solid #333;
  padding:12px;
  color:white;
  border-radius:6px;
  box-sizing: border-box;
}

.contact-form textarea {
  height:140px;
  resize:none;
}

.contact-form .btn.contact-submit {
  width: auto;
  min-width: 170px;
  margin-top: 6px;
  align-self: center;
  padding-left: 22px;
  padding-right: 22px;
  text-align: center;
}

.contact-form input:focus,
.contact-form textarea:focus {
  outline:none;
  border-color:var(--main-red);
}

.site-footer {
  margin-top: 80px;
  padding: 20px 10px;
  text-align: left;
  font-size: 13px;
  color: #888;
  border-top: 1px solid rgba(255,255,255,0.1);
}

.home-page .site-footer {
  margin-top: 0;
}

.site-footer a {
  color: #aaa;
  text-decoration: none;
}

.site-footer a:hover {
  color: #fff;
}

.site-footer p {
  margin: 5px 0;
}

.site-footer {
  line-height: 1.6;
}

.video-wrap {
  width: 60%;
  aspect-ratio: 16 / 9;
}

.solution-video-section {
  display: flex;
  flex-direction: column;
  align-items: center;
  margin-bottom: 15px;
}

.video-switcher {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 18px;
}

.video-switch-button {
  margin-top: 0;
  border: 0;
  cursor: pointer;
  font: inherit;
}

.video-switch-button.active {
  box-shadow: 0 0 0 2px rgba(255, 255, 255, 0.2), var(--shadow);
}

.mobile-customer-videos {
  display: none;
}

/* 🔥 모바일 */
@media (max-width: 768px) {
  .video-wrap {
    width: 90%;
  }
  .video-switcher {
    width: 90%;
  }
  .form-row {
    flex-direction: column;
  }

  .spec-table {
    table-layout: fixed;
    font-size: 13px;
    line-height: 1.55;
  }

  .spec-table td {
    padding: 8px 6px !important;
    vertical-align: top;
    overflow-wrap: anywhere;
    word-break: keep-all;
  }

  .spec-table td:first-child {
    width: 34%;
  }

  .spec-table .nowrap,
  .spec-note .nowrap {
    white-space: normal;
  }

  .spec-note {
    font-size: 12px !important;
    overflow-wrap: anywhere;
    word-break: keep-all;
  }

  .spec-mobile-break-label {
    display: block;
  }

  .product-compare-table {
    font-size: 14px;
  }

  .product-compare-table col:first-child {
    width: 38% !important;
  }

  .product-compare-table col:nth-child(2),
  .product-compare-table col:nth-child(3) {
    width: 31% !important;
  }

  .product-compare-table th,
  .product-compare-table td {
    padding: 10px 8px !important;
    vertical-align: middle;
    overflow-wrap: anywhere;
    word-break: keep-all;
  }

  .product-compare-table th:first-child,
  .product-compare-table td:first-child {
    line-height: 1.45;
  }

  .compare-product-image-rex15 {
    width: 118% !important;
    max-width: none !important;
    margin-left: -9% !important;
    margin-right: -9% !important;
  }

  .compare-video-row {
    display: none;
  }

  .mobile-customer-videos {
    display: block;
    margin-top: 28px;
  }

  .mobile-customer-videos h3 {
    margin: 0 0 18px;
    font-size: 22px;
  }

  .mobile-customer-video + .mobile-customer-video {
    margin-top: 24px;
  }

  .mobile-customer-video h4 {
    margin: 0 0 10px;
    color: var(--text);
    font-size: 16px;
  }

  .mobile-customer-video-frame {
    position: relative;
    width: 100%;
    aspect-ratio: 16 / 9;
    overflow: hidden;
    border-radius: 12px;
  }

  .mobile-customer-video-frame iframe {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    border: 0;
  }
}

.ai-vision-card {
  margin-top: 28px;
  padding: 24px 28px;
  border: 1px solid var(--border);
  border-radius: 20px;
  background: var(--panel);
  box-shadow: var(--shadow);
  backdrop-filter: blur(12px);
}

.ai-vision-card + .ai-vision-card {
  margin-top: 40px;
}

.ai-vision-title-card {
  margin-bottom: 20px;
}

.ai-vision-title-card h3 {
  margin-bottom: 10px;
  font-size: 24px;
}

.ai-vision-title-card p {
  color: var(--text-soft);
  line-height: 1.7;
}

.defect-scope-list {
  display: grid;
  gap: 24px;
}

.defect-type-group {
  display: flex;
  flex-direction: column;
  gap: 14px;
  padding: 18px;
  border: 1px solid var(--border);
  border-radius: 16px;
  background: rgba(255,255,255,0.02);
}

.defect-type-group p {
  margin: 0;
  color: var(--accent);
  font-size: 18px;
  font-weight: 700;
  line-height: 1.7;
  text-align: left;
}

.defect-type-group strong {
  color: inherit;
  font-weight: inherit;
}

.tht-continuation {
  display: inline-block;
  margin-left: 6ch;
}

.defect-type-images {
  display: grid;
  gap: 12px;
}

.defect-type-images img {
  display: block;
  width: 100%;
  border-radius: 12px;
  background: #111;
}

.top-pair-grid,
.ai-pair-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

.ai-tech2-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
}

.ai-pair-images {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  align-items: center;
}

.ai-pair-images img {
  width: 100%;
  display: block;
  border-radius: 12px;
  background: #111;
}

/* 기존 개별 작은 카드 테두리 제거 */
.ai-pair-card,
.ai-vision-group {
  padding: 0;
  border: 0;
  background: transparent;
}

@media (max-width: 768px) {
  .ai-vision-card {
    padding: 20px;
  }

  .top-pair-grid,
  .ai-pair-grid,
  .ai-pair-images {
    grid-template-columns: 1fr;
  }

  .ai-vision-title-card h3 {
    font-size: 20px;
  }
}

.ai-tech2-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

.ai-tech2-column {
  display: flex;
  flex-direction: column;
  gap: 14px;
  padding: 18px;
  border: 1px solid var(--border);
  border-radius: 16px;
  background: rgba(255,255,255,0.02);
}

.ai-tech2-label {
  margin: 0;
  font-size: 18px;
  font-weight: 700;
  color: var(--accent);
  text-align: center;
}

.ai-tech2-images {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.ai-tech2-images img {
  width: 100%;
  display: block;
  border-radius: 12px;
  background: #111;
}

@media (max-width: 768px) {
  .ai-tech2-grid {
    grid-template-columns: 1fr;
  }
}