:root {
  --ink: #edf4ff;
  --muted: #9eafc5;
  --canvas: #07111f;
  --canvas-soft: #0b192a;
  --panel: #102238;
  --line: rgba(158, 175, 197, 0.18);
  --blue: #4c8dff;
  --cyan: #3ad6d0;
  --focus: #ffd166;
  --shadow: 0 24px 70px rgba(0, 0, 0, 0.26);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--canvas);
  font-family: Inter, "Noto Sans KR", "Apple SD Gothic Neo", "Malgun Gothic", sans-serif;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

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

img {
  display: block;
  max-width: 100%;
}

button,
a {
  -webkit-tap-highlight-color: transparent;
}

:focus-visible {
  outline: 3px solid var(--focus);
  outline-offset: 4px;
}

.shell {
  width: min(1120px, calc(100% - 40px));
  margin-inline: auto;
}

.skip-link {
  position: fixed;
  top: 12px;
  left: 12px;
  z-index: 2000;
  padding: 10px 16px;
  border-radius: 8px;
  color: #07111f;
  background: var(--focus);
  font-weight: 800;
  transform: translateY(-160%);
}

.skip-link:focus {
  transform: translateY(0);
}

.site-header {
  position: fixed;
  width: 100%;
  top: 0;
  z-index: 1000;
  border-bottom: 1px solid var(--line);
  background: rgba(7, 17, 31, 0.9);
  backdrop-filter: blur(18px);
}

.header-inner {
  width: 94%;
  max-width: 1280px;
  min-height: 80px;
  margin: 0 auto;
  padding: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
}

.lang-switcher {
  position: relative;
  flex: 0 0 auto;
  width: 103px;
}

.lang-select {
  appearance: none;
  width: 103px;
  min-width: 112px;
  padding: 8px 24px 8px 10px;
  border: 1px solid var(--line);
  border-radius: 7px;
  color: var(--ink);
  background: rgba(255, 255, 255, 0.05);
  font: inherit;
  font-size: 0.75rem;
  cursor: pointer;
}

.lang-switcher::after {
  content: "▾";
  position: absolute;
  top: 50%;
  right: 9px;
  color: var(--muted);
  font-size: 0.65rem;
  pointer-events: none;
  transform: translateY(-50%);
}

.brand img,
.footer-logo {
  width: auto;
  height: 20px;
}

.brand img {
  height: 18px;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 16px;
  height: 80px;
  margin-left: auto;
  flex-shrink: 0;
  width: 618px;
  justify-content: space-between;
  color: var(--muted);
  font-size: 14px;
  font-weight: 500;
}

.site-nav > a,
.site-nav > .site-nav-group {
  height: 80px;
  display: flex;
  align-items: center;
}

.site-nav > .site-nav-group summary {
  height: 80px;
  display: flex;
  align-items: center;
}

.site-nav a {
  position: relative;
  padding-block: 10px;
  white-space: nowrap;
}

.site-nav a:hover,
.site-nav a[aria-current="page"] {
  color: var(--ink);
}

.site-nav a[aria-current="page"]::after {
  content: "";
  position: absolute;
  right: 0;
  bottom: 3px;
  left: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--blue), var(--cyan));
}

.site-nav-group {
  position: relative;
}

.site-nav-group summary {
  color: var(--muted);
  cursor: pointer;
  list-style: none;
  padding-block: 10px;
  white-space: nowrap;
}

.site-nav-group summary::-webkit-details-marker {
  display: none;
}

.site-nav-group summary::after {
  content: "▾";
  display: inline-block;
  margin-left: 5px;
  font-size: 0.65rem;
  transition: transform 160ms ease;
}

.site-nav-group[open] summary::after {
  transform: rotate(180deg);
}

.site-nav-group summary:hover,
.site-nav-group summary:focus-visible,
.site-nav-group:has(a[aria-current="page"]) summary {
  color: var(--ink);
}

.site-nav-submenu {
  position: absolute;
  top: calc(100% + 8px);
  left: -10px;
  z-index: 10;
  display: grid;
  min-width: 180px;
  gap: 2px;
  padding: 7px;
  border: 1px solid rgba(148, 163, 184, 0.22);
  border-radius: 10px;
  background: rgba(7, 17, 31, 0.98);
  box-shadow: 0 16px 32px rgba(0, 0, 0, 0.28);
}

.site-nav-submenu a {
  display: block;
  padding: 9px 10px;
  border-radius: 7px;
}

.site-nav-submenu a::after {
  display: none;
}

.site-nav .nav-contact {
  padding: 8px 16px;
  color: #fff;
  border: 1px solid rgba(59, 130, 246, 0.5);
  border-radius: 8px;
  background: rgba(59, 130, 246, 0.1);
  font-size: 13px;
  margin-left: 8px;
  height: auto;
  align-self: center;
}

.site-nav .nav-contact::after {
  display: none;
}

.menu-toggle {
  display: none;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  color: var(--ink);
  border: 1px solid var(--line);
  border-radius: 10px;
  background: transparent;
  font: inherit;
  font-weight: 700;
  cursor: pointer;
}

.menu-toggle-icon,
.menu-toggle-icon::before,
.menu-toggle-icon::after {
  width: 18px;
  height: 2px;
  display: block;
  border-radius: 2px;
  background: currentColor;
  transition: transform 180ms ease;
}

.menu-toggle-icon {
  position: relative;
}

.menu-toggle-icon::before,
.menu-toggle-icon::after {
  content: "";
  position: absolute;
  left: 0;
}

.menu-toggle-icon::before { top: -6px; }
.menu-toggle-icon::after { top: 6px; }

.menu-toggle[aria-expanded="true"] .menu-toggle-icon {
  background: transparent;
}

.menu-toggle[aria-expanded="true"] .menu-toggle-icon::before {
  top: 0;
  transform: rotate(45deg);
}

.menu-toggle[aria-expanded="true"] .menu-toggle-icon::after {
  top: 0;
  transform: rotate(-45deg);
}

.company-hero {
  position: relative;
  overflow: hidden;
  padding: 62px 0 67px;
  background:
    radial-gradient(circle at 86% 12%, rgba(58, 214, 208, 0.13), transparent 29rem),
    radial-gradient(circle at 15% 85%, rgba(76, 141, 255, 0.16), transparent 34rem),
    linear-gradient(145deg, #07111f 0%, #0a1a2c 100%);
}

.company-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  opacity: 0.32;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.035) 1px, transparent 1px);
  background-size: 52px 52px;
  mask-image: linear-gradient(to bottom, #000, transparent 88%);
}

.hero-grid {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(300px, 0.65fr);
  align-items: start;
  gap: clamp(44px, 8vw, 108px);
}

.breadcrumb {
  display: none;
  align-items: center;
  gap: 10px;
  margin-bottom: 54px;
  color: var(--muted);
  font-size: 0.82rem;
}

.breadcrumb a:hover {
  color: var(--ink);
}

.eyebrow,
.section-kicker,
.panel-label {
  margin: 0 0 14px;
  color: var(--cyan);
  font-size: 0.76rem;
  font-weight: 800;
  letter-spacing: 0.17em;
}

.hero-copy h1 {
  max-width: 760px;
  margin: 0;
  font-size: clamp(1.85rem, 4.2vw, 3.5rem);
  line-height: 1.08;
  letter-spacing: -0.045em;
  text-wrap: balance;
}

.rfid-hero .hero-copy h1 {
  word-break: keep-all;
}

.inventory-hero .hero-copy h1 {
  word-break: keep-all;
}

.case-studies-hero .hero-copy h1 {
  word-break: keep-all;
}

.hero-lead {
  max-width: 700px;
  margin: 28px 0 0;
  color: #c6d3e3;
  font-size: clamp(1rem, 1.8vw, 1.16rem);
}

.hero-actions,
.contact-actions {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 36px;
}

.button {
  min-height: 48px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 20px;
  border: 1px solid transparent;
  border-radius: 10px;
  font-size: 0.94rem;
  font-weight: 800;
  transition: transform 180ms ease, background 180ms ease, border-color 180ms ease;
}

.button:hover {
  transform: translateY(-2px);
}

.button-primary {
  color: #fff;
  background: linear-gradient(120deg, #376fd2, var(--blue));
  box-shadow: 0 14px 34px rgba(76, 141, 255, 0.22);
}

.button-secondary {
  color: var(--ink);
  border-color: var(--line);
  background: rgba(255, 255, 255, 0.035);
}

.hero-panel {
  padding: 30px;
  border: 1px solid rgba(255, 255, 255, 0.13);
  border-radius: 22px;
  background: linear-gradient(145deg, rgba(16, 34, 56, 0.94), rgba(8, 23, 40, 0.9));
  box-shadow: var(--shadow);
}

.hero-panel strong {
  display: block;
  margin-bottom: 24px;
  font-size: 1.35rem;
  line-height: 1.45;
}

.hero-panel ul {
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
  color: var(--muted);
  list-style: none;
  font-size: 0.9rem;
}

.hero-panel li {
  position: relative;
  padding-left: 20px;
}

.hero-panel li::before {
  content: "";
  position: absolute;
  top: 0.72em;
  left: 0;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--cyan);
}

.section {
  padding: clamp(56px, 6vw, 88px) 0;
}

.section-tinted {
  border-block: 1px solid var(--line);
  background: var(--canvas-soft);
}

.split-heading,
.support-layout,
.history-layout {
  display: grid;
  grid-template-columns: minmax(280px, 0.85fr) minmax(0, 1.15fr);
  gap: clamp(48px, 9vw, 120px);
}

.section h2,
.contact-band h2 {
  margin: 0;
  font-size: clamp(2rem, 4vw, 3.25rem);
  line-height: 1.2;
  letter-spacing: -0.035em;
  text-wrap: balance;
}

.section-copy {
  align-self: end;
  color: #becbdd;
  font-size: 1.05rem;
}

.section-copy p,
.section-heading p,
.contact-band p {
  margin: 0;
}

.section-heading {
  max-width: 710px;
  margin-bottom: 42px;
}

.section-heading > p:last-child {
  margin-top: 16px;
  color: var(--muted);
}

.section-heading.compact {
  margin-bottom: 0;
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.feature-card {
  min-height: 230px;
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: linear-gradient(145deg, rgba(16, 34, 56, 0.95), rgba(10, 25, 42, 0.94));
  transition: transform 180ms ease, border-color 180ms ease;
}

.feature-card:hover {
  border-color: rgba(76, 141, 255, 0.55);
  transform: translateY(-4px);
}

.card-index {
  color: var(--cyan);
  font-size: 0.75rem;
  font-weight: 800;
  letter-spacing: 0.16em;
}

.feature-card h3,
.support-list h3,
.team-grid h3 {
  margin: 28px 0 8px;
  font-size: 1.15rem;
}

.feature-card p,
.support-list p,
.team-grid p {
  margin: 0;
  color: var(--muted);
  font-size: 0.91rem;
}

.onams-process {
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  list-style: none;
}

.onams-process li {
  min-height: 170px;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: rgba(16, 34, 56, 0.7);
}

.onams-process span,
.onams-screen-card > div > p {
  display: block;
  margin: 0 0 20px;
  color: var(--cyan);
  font-size: 0.75rem;
  font-weight: 800;
  letter-spacing: 0.16em;
}

.onams-process strong {
  display: block;
  font-size: 1.1rem;
}

.onams-process p {
  margin: 8px 0 0;
  color: var(--muted);
  font-size: 0.9rem;
}

.onams-screen-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 20px;
}

.onams-screen-card {
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: rgba(16, 34, 56, 0.72);
}

.onams-screen-card img {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  object-position: top;
  border-bottom: 1px solid var(--line);
}

.onams-screen-card > div {
  padding: 22px 24px 26px;
}

.onams-screen-card > div > p {
  margin-bottom: 8px;
}

.onams-screen-card h3 {
  margin: 0;
  font-size: 1.12rem;
}

.onams-screen-card span {
  display: block;
  margin-top: 8px;
  color: var(--muted);
  font-size: 0.9rem;
}

.case-study-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
}

.case-study-card {
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: rgba(16, 34, 56, 0.72);
}

.case-study-content {
  padding: 24px;
}

.case-study-content .card-index {
  display: block;
  margin: 0 0 12px;
  color: var(--cyan);
  font-size: 0.75rem;
  font-weight: 800;
  letter-spacing: 0.16em;
}

.case-study-content h3 {
  margin: 0;
  font-size: 1.22rem;
}

.case-study-fields {
  display: grid;
  gap: 16px;
  margin: 22px 0;
}

.case-study-fields div {
  padding-top: 14px;
  border-top: 1px solid var(--line);
}

.case-study-fields dt {
  color: var(--cyan);
  font-size: 0.75rem;
  font-weight: 800;
  letter-spacing: 0.12em;
}

.case-study-fields dd {
  margin: 6px 0 0;
  color: var(--muted);
  font-size: 0.9rem;
}

.team-map {
  margin-top: 52px;
  text-align: center;
}

.team-lead {
  width: fit-content;
  margin-inline: auto;
  padding: 14px 32px;
  border-radius: 10px;
  color: #fff;
  background: linear-gradient(120deg, #2c69cc, var(--blue));
  font-weight: 800;
}

.team-line {
  width: 1px;
  height: 34px;
  margin-inline: auto;
  background: var(--line);
}

.team-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
}

.team-grid article {
  padding: 25px 18px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: rgba(16, 34, 56, 0.65);
}

.team-grid h3 {
  margin-top: 0;
}

.support-list {
  display: grid;
  gap: 14px;
}

.support-list article {
  display: grid;
  grid-template-columns: 48px 1fr;
  gap: 18px;
  align-items: start;
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.025);
}

.support-list article > span {
  color: var(--cyan);
  font-size: 0.76rem;
  font-weight: 800;
}

.support-list h3 {
  margin-top: 0;
}

.timeline {
  position: relative;
  margin: 0;
  padding: 0 0 0 30px;
  border-left: 1px solid rgba(76, 141, 255, 0.45);
  list-style: none;
}

.timeline li {
  position: relative;
  padding: 0 0 44px;
}

.timeline li:last-child {
  padding-bottom: 0;
}

.timeline li::before {
  content: "";
  position: absolute;
  top: 8px;
  left: -36px;
  width: 11px;
  height: 11px;
  border: 3px solid var(--canvas);
  border-radius: 50%;
  background: var(--blue);
  box-shadow: 0 0 0 1px rgba(76, 141, 255, 0.6);
}

.timeline time {
  color: var(--cyan);
  font-size: 0.83rem;
  font-weight: 800;
  letter-spacing: 0.08em;
}

.timeline p {
  margin: 7px 0 0;
  font-size: 1.06rem;
}

.contact-band {
  padding: clamp(64px, 8vw, 92px) 0;
  color: #fff;
  background:
    radial-gradient(circle at 85% 10%, rgba(58, 214, 208, 0.3), transparent 22rem),
    linear-gradient(120deg, #245cb8, #347de7 58%, #246c9e);
}

.contact-band .section-kicker {
  color: #c8fffc;
}

.contact-band p:last-child {
  margin-top: 14px;
  color: rgba(255, 255, 255, 0.8);
}

.contact-inner {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(280px, 0.8fr);
  align-items: center;
  gap: 48px;
}

.contact-actions {
  justify-content: flex-end;
  margin-top: 0;
}

.button-light {
  color: #12305b;
  background: #fff;
}

.text-link {
  padding: 10px 4px;
  font-weight: 800;
}

.site-footer {
  padding: 54px 0 26px;
  color: var(--muted);
  background: #050c16;
  font-size: 0.86rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 40px;
}

.footer-logo {
  margin-bottom: 20px;
}

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

.site-footer strong {
  color: var(--ink);
}

.footer-links {
  display: flex;
  align-items: start;
  flex-wrap: wrap;
  gap: 22px;
}

.footer-links a:hover {
  color: var(--ink);
}

.footer-bottom {
  margin-top: 38px;
  padding-top: 22px;
  border-top: 1px solid var(--line);
  font-size: 0.78rem;
}

@media (max-width: 900px) {
  .hero-grid,
  .split-heading,
  .support-layout,
  .history-layout,
  .contact-inner {
    grid-template-columns: 1fr;
  }

  .hero-panel {
    max-width: 620px;
  }

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

  .case-study-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .onams-process {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

  .contact-actions {
    justify-content: flex-start;
  }
}

@media (max-width: 680px) {
  .shell {
    width: min(100% - 28px, 1120px);
  }

  .header-inner {
    min-height: 68px;
    flex-wrap: wrap;
    padding-block: 14px;
  }

  .menu-toggle {
    display: inline-flex;
  }

  .site-nav {
    width: 100%;
    display: flex;
    align-items: stretch;
    flex-direction: column;
    gap: 2px;
    padding: 8px 0 12px;
  }

  .lang-switcher {
    width: auto;
  }

  .lang-select {
    width: auto;
  }

  .js .site-nav {
    display: none;
  }

  .js .site-nav[data-open="true"] {
    display: flex;
  }

  .site-nav a {
    padding: 11px 4px;
  }

  .site-nav-group {
    width: 100%;
  }

  .lang-switcher {
    margin-left: auto;
  }

  .lang-select {
    min-width: 96px;
    padding-block: 7px;
    font-size: 0.7rem;
  }

  .site-nav-group summary {
    padding: 11px 4px;
  }

  .site-nav-submenu {
    position: static;
    min-width: 0;
    margin-left: 12px;
    padding: 3px 0 3px 12px;
    border: 0;
    border-left: 1px solid rgba(148, 163, 184, 0.25);
    border-radius: 0;
    background: transparent;
    box-shadow: none;
  }

  .site-nav a[aria-current="page"]::after {
    right: auto;
    width: 36px;
  }

  .site-nav .nav-contact {
    width: fit-content;
    margin-top: 6px;
    padding-inline: 15px;
  }

  .company-hero {
    padding: 38px 0 50px;
  }

  .breadcrumb {
    margin-bottom: 38px;
  }

  .hero-copy h1 {
    font-size: clamp(1.65rem, 9vw, 2.5rem);
  }

  .hero-actions,
  .contact-actions {
    align-items: stretch;
    flex-direction: column;
  }

  .button,
  .text-link {
    width: 100%;
  }

  .card-grid,
  .case-study-grid,
  .onams-process,
  .onams-screen-grid,
  .team-grid,
  .footer-grid {
    grid-template-columns: 1fr;
  }

  .feature-card {
    min-height: 0;
  }

  .footer-links {
    flex-direction: column;
    gap: 10px;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
  }
}