:root {
  color-scheme: light;
  font-family:
    "Pretendard", "Noto Sans KR", Inter, ui-sans-serif, system-ui, -apple-system,
    BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: #f6f8fb;
  color: #162033;
  --ink: #162033;
  --muted: #687385;
  --line: #dce3ec;
  --panel: #ffffff;
  --blue: #1769e0;
  --cyan: #24aac3;
  --red: #df3d35;
  --navy: #101827;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  min-width: 320px;
  margin: 0;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.92), rgba(246, 248, 251, 0.98)),
    radial-gradient(circle at 78% 16%, rgba(36, 170, 195, 0.22), transparent 28%),
    radial-gradient(circle at 8% 8%, rgba(223, 61, 53, 0.12), transparent 24%),
    #f6f8fb;
  color: var(--ink);
}

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

button,
input,
select,
textarea {
  font-size: 16px;
}

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  min-height: 72px;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 14px clamp(18px, 4vw, 58px);
  border-bottom: 1px solid rgba(220, 227, 236, 0.8);
  background: rgba(255, 255, 255, 0.86);
  backdrop-filter: blur(18px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
}

.brand-mark {
  display: grid;
  width: 42px;
  height: 42px;
  place-items: center;
  border-radius: 8px;
  background: linear-gradient(135deg, var(--blue), var(--cyan));
  color: #ffffff;
  font-weight: 900;
}

.brand strong,
.brand small {
  display: block;
}

.brand strong {
  font-size: 18px;
  letter-spacing: 0;
}

.brand small {
  margin-top: 2px;
  color: var(--muted);
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
}

.nav {
  display: flex;
  align-items: center;
  gap: clamp(12px, 2.5vw, 28px);
  color: #354155;
  font-size: 14px;
  font-weight: 800;
}

.nav a:hover {
  color: var(--blue);
}

.header-cta,
.button,
.contact-form button {
  display: inline-flex;
  min-height: 44px;
  align-items: center;
  justify-content: center;
  border: 0;
  border-radius: 8px;
  font: inherit;
  font-weight: 900;
  cursor: pointer;
}

.header-cta {
  padding: 0 18px;
  background: var(--navy);
  color: #ffffff;
}

.hero {
  display: grid;
  min-height: calc(100svh - 72px);
  grid-template-columns: minmax(0, 1.02fr) minmax(360px, 0.98fr);
  align-items: center;
  gap: clamp(30px, 5vw, 72px);
  padding: clamp(44px, 7vw, 86px) clamp(18px, 5vw, 76px) 38px;
}

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

.eyebrow {
  margin: 0 0 12px;
  color: var(--blue);
  font-size: 13px;
  font-weight: 900;
  letter-spacing: 0;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  word-break: keep-all;
}

h1 {
  max-width: 760px;
  margin: 0;
  font-size: clamp(42px, 6.4vw, 84px);
  line-height: 1.02;
  letter-spacing: 0;
}

.hero-copy > p:not(.eyebrow) {
  max-width: 660px;
  margin: 22px 0 0;
  color: #4c596b;
  font-size: clamp(17px, 1.8vw, 21px);
  line-height: 1.7;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 32px;
}

.button {
  min-width: 148px;
  padding: 0 22px;
}

.button.primary {
  background: var(--blue);
  color: #ffffff;
  box-shadow: 0 14px 26px rgba(23, 105, 224, 0.22);
}

.button.secondary {
  border: 1px solid var(--line);
  background: #ffffff;
  color: #172238;
}

.button.kakao-inline {
  min-width: 158px;
  background: #fee500;
  color: #191600;
  box-shadow: 0 14px 26px rgba(254, 229, 0, 0.18);
}

.hero-stats {
  display: grid;
  max-width: 680px;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin: 38px 0 0;
}

.hero-stats div {
  min-height: 96px;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.74);
}

.hero-stats dt {
  margin: 0 0 6px;
  color: var(--navy);
  font-size: 22px;
  font-weight: 950;
}

.hero-stats dd {
  margin: 0;
  color: var(--muted);
  font-size: 13px;
  font-weight: 750;
  line-height: 1.45;
}

.hero-visual {
  position: relative;
  min-height: 520px;
  overflow: hidden;
  border: 1px solid rgba(22, 32, 51, 0.08);
  border-radius: 8px;
  background:
    linear-gradient(145deg, rgba(16, 24, 39, 0.96), rgba(20, 38, 58, 0.92)),
    #101827;
  box-shadow: 0 28px 70px rgba(16, 24, 39, 0.22);
}

.hero-visual img {
  position: absolute;
  right: -3%;
  bottom: 11%;
  z-index: 2;
  width: min(620px, 105%);
  filter: drop-shadow(0 26px 24px rgba(0, 0, 0, 0.34));
}

.scan-grid {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(rgba(255, 255, 255, 0.055) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.055) 1px, transparent 1px);
  background-size: 34px 34px;
  mask-image: linear-gradient(180deg, transparent, #000 12%, #000 82%, transparent);
}

.scan-grid::before,
.scan-grid::after {
  content: "";
  position: absolute;
  border: 1px solid rgba(36, 170, 195, 0.48);
  border-radius: 50%;
}

.scan-grid::before {
  right: 7%;
  top: 14%;
  width: 240px;
  height: 240px;
}

.scan-grid::after {
  left: 12%;
  bottom: 10%;
  width: 160px;
  height: 160px;
}

.floating-panel {
  position: absolute;
  left: 28px;
  bottom: 28px;
  z-index: 3;
  width: min(310px, calc(100% - 56px));
  padding: 18px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.12);
  color: #ffffff;
  backdrop-filter: blur(18px);
}

.floating-panel span,
.floating-panel strong,
.floating-panel small {
  display: block;
}

.floating-panel span {
  color: #8be9ff;
  font-size: 12px;
  font-weight: 950;
  text-transform: uppercase;
}

.floating-panel strong {
  margin-top: 8px;
  font-size: 21px;
}

.floating-panel small {
  margin-top: 8px;
  color: rgba(255, 255, 255, 0.78);
  line-height: 1.5;
}

.brand-strip {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 20px;
  padding: 18px clamp(18px, 4vw, 58px);
  border-block: 1px solid var(--line);
  background: #ffffff;
  color: var(--muted);
  font-size: 13px;
  font-weight: 800;
}

.brand-strip strong {
  color: var(--ink);
  font-size: clamp(18px, 2.5vw, 28px);
  font-weight: 950;
}

.section {
  padding: clamp(70px, 9vw, 116px) clamp(18px, 5vw, 76px);
}

.section-heading {
  max-width: 780px;
  margin-bottom: 34px;
}

.section-heading h2,
.contact-section h2 {
  margin: 0;
  font-size: clamp(30px, 4vw, 52px);
  line-height: 1.12;
  letter-spacing: 0;
}

.section-heading p:not(.eyebrow),
.contact-section p {
  margin: 16px 0 0;
  color: var(--muted);
  font-size: 17px;
  line-height: 1.7;
}

.product-heading {
  max-width: 900px;
}

.filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 0 0 26px;
}

.filter-chip,
.product-inquiry,
.inline-inquiry {
  min-height: 42px;
  border: 0;
  border-radius: 8px;
  font: inherit;
  font-weight: 900;
  cursor: pointer;
}

.filter-chip {
  padding: 0 14px;
  border: 1px solid var(--line);
  background: #ffffff;
  color: #334054;
}

.filter-chip.active {
  border-color: var(--blue);
  background: var(--blue);
  color: #ffffff;
  box-shadow: 0 10px 24px rgba(23, 105, 224, 0.18);
}

.term-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  margin-bottom: 44px;
}

.term-grid article {
  min-height: 164px;
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #ffffff;
}

.term-grid h3 {
  margin: 0;
  font-size: 20px;
  letter-spacing: 0;
}

.term-grid p {
  margin: 12px 0 0;
  color: var(--muted);
  line-height: 1.68;
}

.term-note {
  background:
    linear-gradient(135deg, rgba(23, 105, 224, 0.06), rgba(36, 170, 195, 0.08)),
    #ffffff;
}

.product-results {
  display: grid;
  gap: 54px;
}

.product-group {
  display: grid;
  gap: 20px;
}

.product-group-heading {
  max-width: 860px;
}

.product-group-heading h3 {
  margin: 0;
  font-size: clamp(26px, 3vw, 38px);
  line-height: 1.18;
}

.product-group-heading p {
  margin: 12px 0 0;
  color: var(--muted);
  font-size: 16px;
  line-height: 1.7;
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.product-card {
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
  box-shadow: 0 16px 34px rgba(22, 32, 51, 0.08);
}

.rich-product-card {
  display: flex;
  min-height: 100%;
  flex-direction: column;
  --accent: var(--blue);
}

.rich-product-card .product-copy {
  display: flex;
  width: 100%;
  flex-direction: column;
}

.product-media {
  position: relative;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  padding: 0;
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.68), rgba(255, 255, 255, 0.22)),
    var(--product-bg, #f1f5fb);
}

.accent-red {
  --product-bg: #fff0ee;
  --accent: var(--red);
}

.accent-blue {
  --product-bg: #edf5ff;
  --accent: var(--blue);
}

.product-media img {
  width: 100%;
  height: 100%;
  padding: 22px;
  object-fit: contain;
  object-position: center;
  filter: drop-shadow(0 18px 16px rgba(22, 32, 51, 0.16));
}

.carousel-track {
  display: flex;
  width: 100%;
  height: 100%;
  transition: transform 220ms ease;
}

.carousel-slide {
  position: relative;
  display: grid;
  min-width: 100%;
  height: 100%;
  place-items: center;
  margin: 0;
  background: #ffffff;
}

.carousel-slide figcaption {
  position: absolute;
  right: 16px;
  bottom: 12px;
  max-width: calc(100% - 32px);
  padding: 6px 9px;
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.88);
  color: #526073;
  font-size: 12px;
  font-weight: 900;
}

.carousel-button {
  position: absolute;
  top: 50%;
  z-index: 2;
  display: grid;
  width: 38px;
  height: 38px;
  place-items: center;
  border: 1px solid rgba(22, 32, 51, 0.1);
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.9);
  color: var(--ink);
  font-size: 26px;
  font-weight: 900;
  line-height: 1;
  transform: translateY(-50%);
  cursor: pointer;
  box-shadow: 0 10px 22px rgba(22, 32, 51, 0.12);
}

.carousel-prev {
  left: 14px;
}

.carousel-next {
  right: 14px;
}

.carousel-count {
  position: absolute;
  left: 16px;
  bottom: 14px;
  z-index: 2;
  padding: 6px 9px;
  border-radius: 8px;
  background: rgba(16, 24, 39, 0.78);
  color: #ffffff;
  font-size: 12px;
  font-weight: 900;
}

.product-gallery {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

.product-gallery figure {
  overflow: hidden;
  margin: 0;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #ffffff;
}

.product-gallery img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: contain;
  background: #ffffff;
}

.product-gallery figcaption {
  padding: 9px 10px;
  color: #526073;
  font-size: 12px;
  font-weight: 850;
  line-height: 1.4;
}

.product-copy {
  padding: 28px;
}

.product-topline {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 10px;
}

.product-topline span {
  color: var(--muted);
  font-size: 12px;
  font-weight: 850;
}

.label {
  margin: 0 0 10px;
  color: var(--accent);
  font-size: 12px;
  font-weight: 950;
  text-transform: uppercase;
}

.product-copy h3,
.service-grid h3,
.application-list h3 {
  margin: 0;
  color: var(--ink);
  font-size: 23px;
  line-height: 1.25;
}

.product-copy p {
  margin: 14px 0 0;
  color: #526073;
  line-height: 1.7;
}

.badge-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 18px;
}

.badge-row span {
  display: inline-flex;
  min-height: 28px;
  align-items: center;
  padding: 0 9px;
  border-radius: 8px;
  background: #eef5ff;
  color: #1558bd;
  font-size: 12px;
  font-weight: 900;
}

.spec-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  overflow: hidden;
  margin: 20px 0 18px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--line);
}

.spec-grid div {
  min-height: 68px;
  padding: 12px;
  background: #fbfcfe;
}

.spec-grid dt,
.spec-grid dd {
  margin: 0;
}

.spec-grid dt {
  color: var(--muted);
  font-size: 12px;
  font-weight: 900;
}

.spec-grid dd {
  margin-top: 5px;
  color: var(--ink);
  font-size: 14px;
  font-weight: 850;
  line-height: 1.35;
  overflow-wrap: anywhere;
}

.product-copy details {
  margin-top: auto;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.product-copy summary {
  min-height: 48px;
  padding: 14px 0;
  color: var(--blue);
  font-weight: 950;
  cursor: pointer;
}

.detail-content {
  display: grid;
  gap: 16px;
  padding: 0 0 18px;
  color: #3f4b5f;
}

.detail-content p {
  margin: 0;
}

.detail-block strong {
  display: block;
  margin-bottom: 8px;
  color: var(--ink);
}

.detail-block ul {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.detail-block li {
  padding: 7px 9px;
  border-radius: 8px;
  background: #f1f5f9;
  color: #334054;
  font-size: 13px;
  font-weight: 800;
}

.notice-box {
  padding: 13px;
  border: 1px solid rgba(23, 105, 224, 0.22);
  border-radius: 8px;
  background: rgba(23, 105, 224, 0.06);
}

.comparison-wrap {
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #ffffff;
}

.comparison-table {
  width: 100%;
  min-width: 760px;
  border-collapse: collapse;
  font-size: 13px;
}

.comparison-table th,
.comparison-table td {
  padding: 12px;
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
  overflow-wrap: anywhere;
}

.comparison-table thead th {
  background: #f3f7fb;
  color: #334054;
  font-size: 12px;
}

.comparison-table tbody th {
  color: var(--ink);
  font-weight: 950;
}

.comparison-table tr:last-child th,
.comparison-table tr:last-child td {
  border-bottom: 0;
}

.inline-inquiry {
  min-width: 128px;
  padding: 0 11px;
  background: #eaf2ff;
  color: var(--blue);
  font-size: 12px;
}

.inquiry-copy {
  margin-top: 18px;
  font-size: 14px;
  font-weight: 850;
}

.product-inquiry {
  width: 100%;
  margin-top: 14px;
  background: var(--blue);
  color: #ffffff;
}

.empty-products {
  padding: 22px;
  border: 1px dashed var(--line);
  border-radius: 8px;
  background: #ffffff;
  color: var(--muted);
  font-weight: 850;
}

.product-copy ul {
  display: grid;
  gap: 8px;
  margin: 20px 0 24px;
  padding: 0;
  color: #3a4658;
  list-style: none;
}

.product-copy li {
  position: relative;
  padding-left: 18px;
  line-height: 1.5;
}

.product-copy li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 10px;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--accent);
}

.detail-content .detail-block ul {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
  margin: 0;
  padding: 0;
}

.detail-content .detail-block li {
  padding: 7px 9px;
}

.detail-content .detail-block li::before {
  content: none;
}

.product-copy a {
  color: var(--accent);
  font-weight: 950;
}

.service-band {
  background: var(--navy);
  color: #ffffff;
}

.section-heading.inverted h2 {
  color: #ffffff;
}

.section-heading.inverted p:not(.eyebrow) {
  color: rgba(255, 255, 255, 0.72);
}

.service-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1px;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 8px;
}

.service-grid article {
  min-height: 260px;
  padding: 28px;
  background: rgba(255, 255, 255, 0.06);
}

.service-grid span {
  color: #8be9ff;
  font-size: 13px;
  font-weight: 950;
}

.service-grid h3 {
  margin-top: 62px;
  color: #ffffff;
}

.service-grid p {
  margin: 14px 0 0;
  color: rgba(255, 255, 255, 0.72);
  line-height: 1.7;
}

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

.application-list article {
  min-height: 220px;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #ffffff;
}

.application-list article:nth-child(2) {
  border-top-color: rgba(223, 61, 53, 0.55);
}

.application-list article:nth-child(3) {
  border-top-color: rgba(36, 170, 195, 0.55);
}

.application-list p {
  margin: 14px 0 0;
  color: var(--muted);
  line-height: 1.7;
}

.contact-section {
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(340px, 0.68fr);
  gap: clamp(28px, 6vw, 74px);
  align-items: start;
  padding: clamp(70px, 9vw, 116px) clamp(18px, 5vw, 76px);
  background:
    linear-gradient(135deg, rgba(23, 105, 224, 0.08), rgba(36, 170, 195, 0.12)),
    #ffffff;
}

.contact-channel {
  display: grid;
  gap: 8px;
  max-width: 520px;
  margin-top: 24px;
  padding: 18px;
  border: 1px solid rgba(25, 22, 0, 0.1);
  border-radius: 8px;
  background: #fee500;
  color: #191600;
  box-shadow: 0 16px 34px rgba(25, 22, 0, 0.1);
}

.contact-channel strong {
  font-size: 19px;
  font-weight: 950;
}

.contact-channel span {
  line-height: 1.55;
}

.contact-channel button {
  justify-self: start;
  min-height: 42px;
  margin-top: 4px;
  padding: 0 15px;
  border: 0;
  border-radius: 8px;
  background: #191600;
  color: #ffffff;
  font: inherit;
  font-weight: 950;
  cursor: pointer;
}

.contact-form {
  display: grid;
  gap: 14px;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #ffffff;
  box-shadow: 0 18px 42px rgba(22, 32, 51, 0.1);
}

.contact-form label {
  display: grid;
  gap: 8px;
  color: #334054;
  font-size: 13px;
  font-weight: 900;
}

.contact-form input,
.contact-form select,
.contact-form textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 0 13px;
  background: #f9fbfd;
  color: var(--ink);
  font: inherit;
}

.contact-form input,
.contact-form select {
  height: 48px;
}

.contact-form input[type="file"] {
  height: auto;
  padding: 12px;
  border-style: dashed;
  background: #ffffff;
}

.contact-form textarea {
  min-height: 104px;
  padding-block: 12px;
  resize: vertical;
}

.file-field {
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fbfcfe;
}

.file-help,
.file-list {
  color: var(--muted);
  font-size: 13px;
  font-weight: 750;
  line-height: 1.45;
}

.file-list {
  min-height: 20px;
  padding: 9px 10px;
  border-radius: 8px;
  background: #eef5ff;
  color: #1558bd;
  overflow-wrap: anywhere;
}

.checkbox-field {
  grid-template-columns: 20px 1fr;
  align-items: center;
  gap: 10px;
  line-height: 1.45;
}

.checkbox-field input {
  width: 18px;
  height: 18px;
  padding: 0;
  accent-color: var(--blue);
}

.contact-form button {
  width: 100%;
  margin-top: 8px;
  background: var(--blue);
  color: #ffffff;
}

.form-actions {
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
}

.contact-form .kakao-submit {
  margin-top: 0;
  background: #fee500;
  color: #191600;
}

.form-message {
  min-height: 22px;
  margin: 0;
  color: var(--blue);
  font-size: 14px;
  font-weight: 900;
  line-height: 1.5;
}

.site-footer {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 12px;
  padding: 24px clamp(18px, 5vw, 76px);
  background: #0c1220;
  color: rgba(255, 255, 255, 0.72);
}

.site-footer strong {
  color: #ffffff;
}

.floating-kakao {
  position: fixed;
  right: 22px;
  bottom: 22px;
  z-index: 20;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-height: 58px;
  padding: 10px 14px 10px 10px;
  border: 0;
  border-radius: 8px;
  background: #fee500;
  color: #191600;
  box-shadow: 0 18px 42px rgba(16, 24, 39, 0.24);
  font: inherit;
  cursor: pointer;
}

.floating-kakao:hover {
  transform: translateY(-1px);
}

.kakao-icon {
  display: grid;
  width: 38px;
  height: 38px;
  place-items: center;
  border-radius: 8px;
  background: #191600;
  color: #fee500;
  font-size: 11px;
  font-weight: 950;
}

.floating-kakao strong,
.floating-kakao small {
  display: block;
  text-align: left;
}

.floating-kakao strong {
  font-size: 15px;
  line-height: 1.1;
}

.floating-kakao small {
  margin-top: 3px;
  font-size: 11px;
  font-weight: 850;
  opacity: 0.72;
}

@media (max-width: 980px) {
  .site-header {
    align-items: flex-start;
  }

  .nav {
    display: none;
  }

  .hero,
  .contact-section {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: auto;
  }

  .hero-visual {
    min-height: 420px;
  }

  .product-grid,
  .term-grid,
  .service-grid,
  .application-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 640px) {
  body {
    padding-bottom: 84px;
  }

  .site-header {
    min-height: 64px;
    padding: 12px 16px;
    align-items: center;
  }

  .brand small,
  .header-cta {
    display: none;
  }

  .hero,
  .section,
  .contact-section {
    padding-inline: 16px;
  }

  h1 {
    font-size: 38px;
  }

  .hero {
    gap: 28px;
    padding-block: 38px 28px;
  }

  .hero-copy > p:not(.eyebrow) {
    font-size: 16px;
  }

  .hero-actions {
    display: grid;
    grid-template-columns: 1fr;
  }

  .button {
    width: 100%;
  }

  .hero-stats,
  .product-grid,
  .term-grid,
  .service-grid,
  .application-list {
    grid-template-columns: 1fr;
  }

  .filter-bar {
    flex-wrap: nowrap;
    overflow-x: auto;
    padding-bottom: 4px;
  }

  .filter-chip {
    flex: 0 0 auto;
  }

  .spec-grid {
    grid-template-columns: 1fr;
  }

  .product-copy {
    padding: 20px;
  }

  .product-topline {
    align-items: flex-start;
  }

  .comparison-table {
    min-width: 680px;
  }

  .product-gallery {
    grid-template-columns: 1fr;
  }

  .contact-form {
    padding: 18px;
  }

  .hero-visual {
    min-height: 360px;
  }

  .hero-visual img {
    right: -22%;
    bottom: 18%;
    width: 124%;
  }

  .product-media {
    aspect-ratio: 1 / 1;
  }

  .carousel-slide figcaption {
    right: 10px;
    bottom: 10px;
    font-size: 11px;
  }

  .carousel-button {
    width: 34px;
    height: 34px;
    font-size: 23px;
  }

  .floating-panel {
    left: 18px;
    bottom: 18px;
    width: calc(100% - 36px);
  }

  .service-grid article {
    min-height: auto;
  }

  .service-grid h3 {
    margin-top: 36px;
  }

  .floating-kakao {
    right: 12px;
    bottom: 12px;
    left: 12px;
    justify-content: center;
    min-height: 56px;
    padding-right: 12px;
  }

  .floating-kakao strong {
    font-size: 14px;
  }
}

@media (max-width: 420px) {
  .brand-mark {
    width: 38px;
    height: 38px;
  }

  .brand strong {
    font-size: 17px;
  }

  h1 {
    font-size: 34px;
  }

  .section-heading h2,
  .contact-section h2 {
    font-size: 28px;
  }

  .hero-visual {
    min-height: 310px;
  }

  .brand-strip {
    justify-content: flex-start;
  }
}